Ms
Nattha Buatong
(Department of Physics, Faculty of Science, Kasetsart University, Bangkok, THAILAND 10900)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
With power conversion efficiency in continuous growth, quantum dot-sensitized solar cells
(QDSSCs) are recently under high interest; however there is no such perfect cell yet developed for these devices. As the fundamental model of QDSSCs, the morphology of the TiO${}_2$ photoanode plays an important role in photovoltaic performance. Herein, the TiO${}_2$ films based on nanorods (TiR) and...
Mr
Yuttapichai Khummanee
(Department of Physics, Faculty of Science, Kasetsart University, Bangkok, THAILAND 10900)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Al-doped ZnO (AZO)/Ag/AZO tri-layer thin films were deposited on glass substrate by RF-sputtering. The thickness of AZO layer at the top and bottom of the film was varied at 35, 50 and 90 nm and the thickness of Ag layer was fixed at 62 nm. XRD result confirms that all AZO/Ag/AZO tri-layer films were composed of ZnO (HCP) phase in (002) direction and Ag (FCC) phase in (111) and (200)...
Wichian Siriprom
(Faculty of Science at Si Racha, Kasetsart University, Si Racha campus, Chonburi, THAILAND 20230)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
This work aims at characterizing the physical and chemical properties of chitosan which extract from the Paphia Undulate Shell. The physical and chemical properties have been also discussed in detail which Fourier Transform Infrared Spectroscopy (FTIR), Energy Dispersive X-Ray Fluorescence (EDXRF) and X-Ray Diffraction (XRD), respectively. The result of the XRD pattern indicated the sample has...
Dr
Sumalin Phokha
(Department of Physics, Faculty of Science, Udon Thani Rajabhat University, Udon Thani, THAILAND 41000)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Fe-doped MgO (Mg${}_{1-x}$Fe${}_x$O, $x$ = 0, 0.05, and 0.07) nanoparticles synthesized by the polymer pyrolysis method were investigated. The precursors were calcined at temperatures of 700 ${}^{\circ}$C for 3 hours in air to obtain the phase of MgO. X-ray diffraction (XRD), transmission electron microscopy (TEM), X-ray absorption near edge spectroscopy (XANES), and vibrating sample...
Mr
Pilan Ngiewlay
(Department of Material Science and Nanotechnology, Faculty of Science, Khon Kaen University, Khon Kaen, THAILAND 40002)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Ce${}_{1-x}$Pr${}_x$O${}_2$ ($x$ = 0, 5, 10, 15 and 20) was synthesized by a co-precipitate method. The crystallization temperature started around 300 ${}^{\circ}$C. After calcination at 800 ${}^{\circ}$C for 8 hr, the grains size of undoped sample was about 69 nm. Doping Pr into CeO${}_2$ resulted-in the reduction to grains size. The smallest grains size of 40 nm was observed for...
Dr
Methee Promsawat
(Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai, THAILAND 50200; Materials Science Research Center, Faculty of Science, Chiang Mai University, Chiang Mai, THAILAND 50200)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
This work studies effects of metal oxides (MO; M = Zn${}^{2+}$, Cu${}^{+}$ and Ni${}^{2+}$) modifications on phase, microstructure, dielectric, ferroelectric and electrostrictive properties of Pb(Mg${}_{1/3}$Nb${}_{2/3}$)${}_{0.9}$Ti${}_{0.1}$O$_3$ (PMNT) ceramics. Different contents of MO (2 and 4 mol%) were modified into PMNT ceramics. The ceramics with the density about 7.80 g/cm${}^3$ were...
Mr
Nontakoch Siriphongsapak
(Department of Physics, Faculty of Science, King Mongkut's University of Technology Thonburi, Bangkok, THAILAND 10140.)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Zinc oxide (ZnO) nanorods and nanosheets were grown via hydrothermal process on ZnO seed layers synthesized by spin-coating technique on silicon and glass substrates with different precursor concentrations of zinc acetate dihydrate. The concentrations of zinc acetate dihydrate in solution were varied from 6 mM to 500 mM. The ZnO seed layers, ZnO nanorods, and ZnO nanosheets were characterized...
Mr
Paitoon Boonsong
(Advanced Ceramics Laboratory, Ubon Ratchathani University, Ubon Ratchathani, THAILAND 34190)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Ferroelectric glass-ceramics of the Na${}_2$O-BaO-Nb${}_2$O${}_5$-SiO${}_2$ system were obtained from controlled crystallization process performed on the parent glass of composition 20Na${}_2$O-10BaO-30Nb${}_2$O${}_5$-40SiO${}_2$. Nd${}_2$O${}_3$ doping content was varied in the range 0, 0.1 and 0.5 mol%. The glass samples were prepared via a conventional melting method at 1500 $^{\circ}$C in...
Dr
Ruamporn Potong
(Division of Physics, Faculty of Science and Technology, Rajamangala University of Technology Thanyaburi, Pathum Thani, THAILAND 12110)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
The 0-3 barium zirconate titanate˗portland cement composites with carbon addition which are expected to find application in civil engineering. The barium zirconate titanate, portland cement and carbon powder were fabricated using 425 µm barium zirconate titanate particle size at 40% by volume and varying carbon addition at 0.3-2% by volume. The composites were then cured at 60 ºC for 3 days...
Mrs
Kamonrat Wongsamat
(Department of Physics, Faculty of Science, Ubon Ratchathani University)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
The purpose of this research is to study the biomass fuel pellets. With cold compressed techniques high pressure. The main raw material used in the experiment are cassava and coffee grounds. Cassava was crushed and coffee grounds is baked and gliding grinded and sieved in the grain size of a 300 - 2000 μm. The samples were mixed with cassava and coffee grounds ratio of 10: 0, 9: 1, 8: 2, 7: 3,...
Ms
Theeranuch Nachaithong
(Materials Science and Nanotechnology Program, Faculty of Science, Khon Kaen University, Khon Kaen, THAILAND 40002)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
The influence of annealing in Ar on the dielectric properties of CaCu${}_3$Ti${}_4$O${}_{12}$/CaTiO${}_3$ (CCTO/CTO) composites prepared by a solid state reaction method was studied. The phase composition and the microstructure were characterized by X-ray diffraction and scanning electron microscope with energy dispersive X-ray spectrometry, respectively. High dielectric permittivity values...
Mr
Attaphol Karaphun
(Department of Material Science and Nanotechnology, Faculty of Science, Khon Kaen University, Khon Kaen, THAILAND 40002)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Co-doped SrTiO${}_3$ (SrTi${}_{1-x}$Co${}_x$O${}_3$) ($x$=0, 0.05, 0.1 and 0.15) nanopowders were synthesized by hydrothermal method. Their morphology and structure were studied by scanning electron microscopy (SEM), transmission electron microscopy (TEM) and X-ray diffraction (XRD). Magnetic properties were measured at room temperature using vibrating sample magnetometer (VSM). All samples...
152.
Effect of Annealing Temperature on the Magnetic Properties of Fe Doped SrTiO${}_3$ Nanopapicles
Mr
Likkhasit Wannasen
(Department of Physics, Faculty of Science, Khon Kaen University, Khon Kaen, 40002, Thailand)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
SrTi${}_{0.90}$Fe${}_{0.10}$O${}_3$ nanoparticles were synthesized by hydrothermal method. SrTi${}_{0.90}$Fe${}_{0.10}$O${}_3$ samples were annealed at 500, 600 and 700${}^{\circ}$C in Ar. X-ray diffraction (XRD) results indicate a perovskite structure of all samples. TEM image shows SrTi${}_{0.95}$Fe${}_{0.05}$O${}_3$ nanoparticles of a cubic shape with an average size of 64.7 nm. X-ray...
Ms
Wipada Senanon
(Department of Physics, Faculty of Science, Ubon Ratchathani University, Ubon Ratchathani, THAILAND 34190)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Eu$^{3+}$-doped glass-ceramics were prepared in the system CaO-MgO-Al$_2$O$_3$-ZnO-SiO$_2$. Crystallization and luminescence properties of the glass-ceramics were studies by XRD, SEM, and fluorescence spectroscopy. After the heat treatment at the appropriated conditions, the crystalline phase found in the glass-ceramics was diopside (CaMg(SiO$_3$)$_2$) and Mg(Si$_2$O$_6$). There was no...
Ms
Siriwipa Pongpadung
(Materials Science and Nanotechnology Program, Faculty of Science, Khon Kaen University, Khon Kaen, THAILAND 40002)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Copper ferrites (CuFe$_2$O$_4$) were fabricated by self-combustion urea and glycine process (UNP, GNP), polymerized complex (PC), solid-state reaction (SSR), and molten-salt (MS) methods. The synthesized powders were calcined in static air at different temperature from 500 – 900$^{\circ}$C. The effects of the fabrication method on the microstructural and magnetic properties were investigated....
Mareenee Buesa
(Department of Physics, Faculty of Science, Thaksin University, Songkhla, THAILAND 90000)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
In this study, the Zn${}_{0.97}$Cu${}_{0.01}$V${}_{0.02}$O ceramics were sintered with It was sintered at the temperature of 900${}^{\circ}$C, 950${}^{\circ}$C, 1000${}^{\circ}$C and 1050${}^{\circ}$C for 5 hours and prepared by using mixed oxide method. The microstructure evolution of the ceramics were studied and investigated. It was found that the grain size were almost constant in the...
Mr
Narongdetch Boothrawong
(Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai, THAILAND 50200)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
In this work, BaCeO${}_3$ were prepared by a solid-state reaction method. BaCeO${}_3$ were calcined at 1300 ${}^{\circ}$C for 10 h in air and sintered at various temperatures. Phase formation analysis by X-ray diffraction technique (XRD) revealed that the samples exhibited a perovskite structure. The microstructural analysis indicated that grain size of the ceramics increased with sintering...
Mr
Chalermpol Rudradawong
(Department of Physics, Faculty of Science, King Mongkut's Institute of Technology Ladkrabang, Bangkok, THAILAND 10520)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Metal/semiconductor Mg$_2$Si compounds was synthesized by solid state reaction method. The sample was calcined at temperature 973 K in vacuum system. It was pressed into pellet, and then was sintered in hot-pressing process at 973 K. The Mg$_2$Si was studied structure properties by XRD and SEM, electrical properties by Hall Effect at room temperature and thermal properties by laser flash...
Mr
Wattana Tuichai
(Materials Science and Nanotechnology Program, Faculty of Science, Khon Kaen University, Khon Kaen, THAILAND 40002)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
The influences of oxygen vacancies on the dielectric and electrical properties of Na${}_{1/2}$Bi${}_{1/2}$Cu${}_3$Ti${}_4$O${}_{12}$ ceramics prepared by a urea combustion method were investigated via annealing in oxidizing atmosphere. Interestingly, a single Na${}_{1/2}$Bi${}_{1/2}$Cu${}_3$Ti${}_4$O${}_{12}$ phase was successfully prepared using a low calcination temperature of 800...
Mr
Witoon Tangwatanakul
(Molecular Technology Research Unit, School of Science, Walailak University, Nakhon Si Thammarat, THAILAND 80161)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Synchrotron X-ray absorption spectroscopy (XAS) was used to complement X-ray
diffraction (XRD) in the characterization of iron oxide nanoparticles synthesized by the
ultrasonic-assisted co-precipitation. The influence of ultrasound was highlighted by XRD
showing impurity phases in the control synthesized without sonication. The hematite ($\alpha$-Fe${}_2$O${}_3$) phase was ruled out by XRD...
Ms
Jantree Kheanwong
(Department Department of Physics, Faculty of Science, Kasetsart University, Bangkok, THAILAND 10900)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Aluminum-doped ZnO (ZnO:Al) film was deposited by RF-sputtering on different substrates (glass, B-PTFE and W-PTFE). From SEM photographs, the thickness of sputtered ZnO:Al films was about 90 nm. XRD measurements confirms that sputtered ZnO:Al films show ZnO:Al phase in (002) direction. Peak intensity of ZnO:Al phase obviously depends on the type of substrate materials. The highest and lowest...
Ms
Pornsawan Kum-onsa
(Materials Science and Nanotechnology Program, Faculty of Science, Khon Kaen University, Khon Kaen, THAILAND 40002)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
In this work, Ni nanoparticle/PVDF-($f$=0.2)Na${}_{1/3}$Bi${}_{1/3}$Ca${}_{1/3}$Cu${}_3$Ti${}_4$O${}_{12}$(Ni/PVDF-NBCCTO) three-phase polymeric nanocomposites with different Ni were fabricated by a liquid-phase assisted dispersion and hot pressing at 200 ${}^{\circ}$C for 0.5 h. The microstructure of the fabricated polymeric nanocomposites were characterized by a scanning electron microscope....
Songyoot Kaewmala
(Materials Science and Nanotechnology Program, Faculty of Science, Khon Kaen University, Khon Kaen, THAILAND 40002)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
SnO${}_2$ material has attracted much attention due to its high theoretical capacity (790 mAh/g) compared to the current carbon- based anode (372 mAh/g). However, the SnO${}_2$ material exhibits a large volume expansion (up to 300 Vol. %) during charging and discharging, which causes crumbling and cracking of the electrode leading to large capacity loss and poor cycling stability. Creating...
Ms
Chutharat Paikaew
(Department of Physics, Faculty of Science, King Mongkut’s University of Technology Thonburi, Bangkok, THAILAND 10140)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
In this research, Zn substituted Ca hydroxyapatite synthesized from waste chicken eggshells were prepared precipitation method. The structure properties and morphology were investigated by X-ray diffraction (XRD) Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM). The results showed that the intensity of XRD pattern and crystallite size of hydroxyapatite...
Likit Tp
(urn:Facebook)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Ionic substitutions in hydroxyapatite (HA) have been extensively studied to improve its biological and/or mechanical properties. This work aimed to prepare and characterize the composite of polycaprolactone (PCL) and Zn-doped, Sr-doped or Zn/Sr-codoped HA. The doped HA nanoparticles were first prepared via a sol-gel method. XRD and FTIR results of the calcined powder showed that HA is the...
Ms
Pornpanarat Ardchongthong
(Materials Science and Nanotechnology Program, Faculty of Science, Khon Kaen University, Khon Kaen, THAILAND 40002)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
CsSnI${}_{1-x}$F${}_x$ doped ZnO were synthesized and used as the hole conducting in dye-sensitized solar cells (DSCs). The aim of this work is to study the effect of ZnO on the solid-stat DSC performances. CsSnI${}_3$ powders were prepared by heating a stoichiometric mixture of CsI (0.1 g) and SnI${}_2$ (0.07 g) at 450 ${}^{\circ}$C for 30 min in argon environment. CsSnI${}_{1-x}$F${}_x$...
Ms
Rattiya Hongtong
(Materials Science and Nanotechnology Program, Faculty of Science, Khon Kaen University, Khon Kaen, THAILAND 40002)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
LiFePO${}_4$/Carbon composite fibers were synthesized by using a combination of electrospinning and sol-gel techniques with LiOH•H${}_2$O, FeSO${}_4$•7H${}_2$O, H${}_3$PO${}_4$ and citric acid. Polyvinylpyrrolidone (PVP: 1,300,000 g.mol${}^{−1}$) was used as the fiber-forming agent in the electrospinning method and a carbon source for improving electronic conductivity of LiFePO${}_4$. Surface...
Uraiwan Intatha
(School of Science, Mea Fah Luang University, Chiang Rai, Thailand 57100)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Porous ceramics are studied for natural extracts packaging application to control bee mites. Firstly, the amount of starting precursors such as cellulose (pore former) and PVP (surfactant) are varied to find the suitable preparing condition. The ratio of cellulose and PVP are affected by density and porosity of ceramic. The best ceramic condition is cellulose 10 g and PVP 3 cc with 90.54 %...
Mr
Aekgaran Sangmala
(Department of Physics, Faculty of Science, King Mongkut’s University of Technology Thonburi, Bangkok, THAILAND 10140)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Stabilized zirconia (ZrO${}_2$) added hydroxyapatites were synthesized from waste eggshells at different percent weigh from 1 to 15 with an increment 2 percent weight by precipitation method. The samples were dried at 100 ${}^{\circ}$C for 48 h, grounded with pestle and mortar into powder and heated from 200 to 1300 ${}^{\circ}$C. Structure properties of samples before and after heated were...
87.
Gamma-ray Shielding and Structural Properties of P${}_2$O${}_5$-BaO-Bi${}_2$O${}_3$ Glass System
Mr
Sarinthonthep Sainet
(Department of Physics, Faculty of Science, Ubon Ratchathani University, Ubon Ratchathani, THAILAND 34190)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Fabrication of a (50)P${}_2$O${}_5$ - (50-$x$)BaO - ($x$)Bi${}_2$O${}_3$ glass systems where $x$ = 0, 2.5, 7.5, 12.5 and 17.5 mol% was carried out using a conventional melt-quenching method. The glass system has been investigated to see its potential use as radiation shielding material. The glass density was measured by using Archimedes principle. The micro-hardness of glasses was determined...
Mr
Pariwat Saengvong
(Department of Physics, Faculty of Science, Khon Kaen University, Khon Kaen, THAILAND 40002)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
The dielectric properties and electrical response of grain boundaries of Na${}_{1/3}$Ca${}_{1/3}$La${}_{1/3}$Cu${}_3$Ti${}_4$O${}_{12}$ ceramics were investigated as a function of frequency. High dielectric permittivity (${\varepsilon}^{\prime}\sim$10${}^4$) and low loss tangent (tan$\delta$<0.1 at 1 kHz) were observed in Na${}_{1/3}$Ca${}_{1/3}$La${}_{1/3}$Cu${}_3$Ti${}_4$O${}_{12}$ ceramics....
Mr
Apiwat Phetsahai
(Department of Physics, Faculty of Science, King Mongkut’s University of Technology Thonburi, Bangmod, Bangkok, THAILAND 10140)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
An important step in fabrication of slider magnetic recording head is bonding of bars on a fixture using hot melt synthetic adhesive. For bar bonding of heat-assisted magnetic recording (HAMR) head, the fixture feature is different from a standard fixture yield to excessive bonding agent (EBA) on blade line. Therefore, the aim of this work is to reduce the quantity of EBA on blade line. The...
Mr
Priyavit Pattanakitkaset
(Faculty of Science, Chiang Mai University, Chiang Mai, THAILAND 50200)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
In this work, mechanical properties of short rattan fiber (Calamus sp.7 of in San Pa Koi, Chiang Mai) approximately length 1.0 cm – Carbon Nanotube reinforced epoxy resin composites were investigated. Rattan fibers were treated in Sodium Hydroxide in different concentration and soaking time. To improve the ability of adhesion compare with non-soaked rattan fibers and destroy external surface,...
Ms
Pimpilai Wannasut
(Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai, THAILAND 50200)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
This research studied the effect of LiSbO${}_3$ on microstructure and electrical properties of lead-free Bi${}_{0.5}$(Na${}_{0.80}$K${}_{0.20}$)${}_{0.5}$TiO${}_3$ ceramics with the composition belonging to Bi${}_{0.5}$(Na${}_{0.80}$K${}_{0.20}$)${}_{0.5}$TiO${}_3$-LiSbO${}_3$ or (1-$x$)BNKT-$x$LS(when $x$ = 0, 0.005, 0.010, 0.015, 0.020 mol fraction). The BNKT-LS ceramics were prepared by a...
Mr
Jutapol Jumpatam
(Materials Science and Nanotechnology Program, Faculty of Science, Khon Kaen University, Khon Kaen, THAILAND 40002)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
The influences of Sn doping concentration and CaTiO$_3$ volume fraction on microstructure and electrical response of Sn-doped CaCu$_3$Ti$_4$O$_{12}$/CaTiO$_3$ composites prepared from a nominal formula of Ca$_{1+x}$Cu$_{3-x}$Ti$_{4-y}$Sn${}_y$O${}_{12}$ (where $x$ = 0, 0.5, 1 and 1.5; $y$ = 0.05 and 0.30) were investigated. The dielectric properties of...
Ms
Kanyaphach Armart
(Department of Physics, Faculty of Science, Ubon Ratchathani University, Ubon Ratchathani, THAILAND 34190)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
The study of thermoelectric material BiSbTe was prepared by Bridgman method with a growth rate 4 mm/hr. Structural investigation by using XRD technique. From the XRD pattern apparent peak at plane (1010) of BiSbTe and the orderly arrangement of unit cell. The longitudinal velocity was measured by ultrasonic method. Density was measured by Archimedes method (6.35 g/cm${}^3$). The longitudinal...
Ms
Arisara Panthawan
(Materials Science Research Center, Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai, THAILAND 50200)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
A self-cleaning glass was prepared by a sparking process. Specimens were coated with titanium oxide thin films, and were annealed by heating at 500 ${}^{\circ}$C using a laser and a furnace heat treatments. A lifetime span of the samples was tested by a rainfall simulator. Effect of the laser heat treatment for 10 mins was compared with that of a furnace heat treatment for 60 mins. It was...
Mr
Suphagrid Wongprakarn
(Materials Science and Nanotechnology Program, Faculty of Science, Khon Kaen University, Khon Kaen, THAILAND 40002)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Metal binding energies of various metals such as Li, Be, B, Na, Al, Mg and Ca trapped on graphene and hydrogen adsorption energies corresponding to these metals are calculated by using the density functional theory. Our results reveal that Li, Be, Na, Al and Ca are trapped on the graphene with metal binding energies of about 3.49–3.87 eV. These binding energies are high enough to hold these...
Mrs
Pornsiri Wanarattikan
(Department of Physics, Faculty of Science, King Mongkut’s University of Technology Thonburi, Bangkok, THAILAND 10140)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
In this work, the InGaAsN lattice-matched films were grown on off-angle Ge (001) substrates with inclined surfaces of 4$^{\circ}$ and 6$^{\circ}$ towards the [1 1 0] direction. All the samples were grown by metalorganic vapor phase epitaxy (MOVPE) using low temperature (550 $^{\circ}$C) GaAs buffer layer. To compare the InGaAsN film on on-axis Ge (001) substrate, micro-structural properties of...
Ms
Supunnee Srikeawnawan
(Department of Physics, Faculty of Science, Thaksin University Songkhla Campus, Songkhla, THAILAND 90000)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
The microstructure and impedance properties of Sr${}_{0.4}$Ca${}_{0.6}$La${}_4$Ti${}_5$O${}_{17}$ ceramics were studied and determined. The ceramic was doped with 1, 2 and 3% mol of ZnO and prepared using mixed oxide method. It was sintered at the temperature of 1,400 ${}^{\circ}$C for 3 hours. The x-rays diffraction (XRD) technique and scanning electron microscope (SEM) were employed to exam...
Mrs
Chirapan Chaikawang
(Material Science and Nanotechnology Program, Faculty of Science, Khon Kaen University, Khon Khaen, THAILAND 40002)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Our research team has studied the potentials of producing nanostructured silicon and silica using rice husk as starting raw materials. We have developed several nanostructured silicon and silicon derivatives from agricultural wastes due to its large quantity, easy to process, and cheaper to be developed into nanomaterials with high economic value. Nano-silicon and its derivatives can be...
Mr
Sarawut Tontapha
(Materials Science and Nanotechnology Program, Faculty of Science, Khon Kaen University, Khon Kaen, THAILAND 40002)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
New dye sensitizes from anthraquinone derivatives for application in dye–sensitized solar cells (DSSCs) were theoretical investigated. The ground and excited state properties of the dyes were studied by using density functional theory (DFT) at M06/6–311G(d,p) level and time–dependent DFT (TD–DFT) method at the same level, respectively. The introduction of the anthraquinone derivatives has been...
Mr
Sarawut Pongha
(Department of Physics, Faculty of Science, Khon Kaen University, Khon Kaen, THAILAND 40002)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Lithium metal phosphate olivine (LiMPO${}_4$; M= Fe, Mn, Co, Ni) have a great deal of attention as one of the promising cathode material for lithium ion batteries. To date, a considerable number of studies have enhanced the electrochemical behavior of LiFePO${}_4$ from being barely electrochemically active to having a full capacity at high rates. Based on the success of LiFePO${}_4$, an...
Ms
Porntipa Pooseekheaw
(Materials Science Research Center, Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai, THAILAND 50200)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Titanium dioxide (TiO${}_2$) is a widely used photocatalyst in water splitting process for hydrogen production. In this study, hydrogenation of the titanium dioxide thin films was investigated in order to examine the photocatalytic properties and to improve the performance for photoactivity. Titanium dioxide thin films were prepared by sparking method, then annealed at 500 ${}^{\circ}$C in...
Mr
Chalongwut Boonpratum
(Department of Physics, Faculty of Science, King Mongkut’s University of Technology Thonburi, Bangkok, THAILAND 10140)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
In this research, chitosan/hydroxyapatite (HAp) composites were prepared using precipitation method. The calcium oxide from waste chicken eggshells as a calcium source was mixed with nitric acid. Chitosan of shrimp solution different percent weight from 1 -15 were added to phosphate solution. The both of the solution were mixed, stirred for 6 h, precipitate forming a chitosan/HAp composite and...
Ms
Kanokwan Nawaka
(Prince of Songkla University)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Electrospinning technique has been greatly interested to fabricate nanoscale fibers due to its ease of preparation and adjustment. In this project, the objective is to design and construct the electrospinning setup to replace the high cost and imported electrospinning apparatus. Poly (vinylidenefluoride hexafluoropropylene; P(VDF-HFP)) was used a model polymer to produce fibers to study the...
Ms
Juthamas Inthanont
(Department of Physics, Faculty of Science, King Mongkut’s University of Technology Thonburi, Bangkok, THAILAND 10140)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
The aim of this research was synthesized biodiesel from palm oil using transesterification calcium oxide from various eggshells catalyst. The chicken, duck, ostrich, quail, and crocodile eggshells were heated at 1300 ${}^{\circ}$C for 4 h. The ratio of methanol, palm oil and calcium oxide from eggshell were 10 g, 3.0 ml and 0.8 g, respectively. The temperature of biodiesel synthesis was...
Mr
Noppadon Toongyai
(Department of Physics, Faculty of Science, Chulalongkorn University, Bangkok, THAILAND 10330)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
The N related vibrational modes (N-RVMs) in high quality GaPN films (0 < N ≤ 5.4 at%) on GaP (001) substrates grown by metalorganic vapor phase epitaxy (MOVPE) have been investigated. This study used two sets of samples with different growth times of 5 min and 10 min. N contents, which were examined from high resolution X-ray diffraction (HRXRD) measurements, are 1.8 at%, 2.9 at% and 3.6 at%...
Mr
Direk Boonthum
(Plasma technology for agricultural applications research laboratory, School of Science, Walailak University, Nakhonsithammarat, THAILAND 80160)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
The thermoelectric is a device that can generate electric energy from solar and waste thermal energies, and generate temperature gradient from electric energy for cooling applications. Recently, researchers are interested in the synthesis of thermoelectric material by microwave furnace. Because the performance of thermoelectric materials are increased by microwave assisted synthesis method...
Dr
Chat Pholnak
(Department of Physics, Faculty of Science, Thaksin University, Phatthalung, THAILAND 93210)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Spheroidal ZnO nanostructures were synthesized by ultrarapid sonochemistry using 0.1 M zinc nitrate (Zn(NO${}_3$)${}_2$) and 0.2 M sodium hydroxide (NaOH) aqueous solution. These chemical solutions were sonicated under ambient conditions without any template, surfactant, and chelating agents. Only 30 min was needed to complete the formation of highly crystallized nanospheroids. As-prepared ZnO...
Mr
Kunpot Mopoung
(Nanoscience and technology, Graduate school, Chulalongkorn University, Bangkok, THAILAND 10330)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
We have investigated cubic GaN (c-GaN) layers on GaAs (001) substrates by using high resolution X-ray diffraction (HRXRD) to verify strain modification due to a use of the GaN/AlGaN multi-interface buffer layer. To examine lattice parameters and residual strain, both a symmetric (002) and an asymmetric (113) reflections were performed using 2θ-ω mode HRXRD for different types of c-GaN samples....
Ms
Kanyapak Silakaew
(Materials science and Nanotechnology Program, Faculty of Science, Khon Kaen University, Khon Kaen, THAILAND 40002)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
In this research work, the BaTiO${}_3$/poly(vinylidene fluoride) (BT/PVDF) nanocomposites were prepared by a solution processing method using spherical BT nanoparticles (<100 nm) with different volume fractions ($f_{\text{BT}}$ = 0$-$0.4). The microstructure of the nanocomposites was characterized by scanning electron microscope. It was found that the strong agglomeration of BT nanoparticles...
Mr
Poonnaphob Sopapan
(Department of Physics, Faculty of Science, Ubon Ratchathani University, Ubon Ratchathani, THAILAND 34190)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
The aim of this work was to study the structural and elastic properties of recycle silica gel glass (denoted as RSGG) using FTIR and ultrasonic technique. The 10CaO – xPbO – (90–x)silica gel glass system (where x = 20, 25, 30, 35, 40 and 45 mol.%) were prepared. In this work, the silica gel was acquired from silica gel degradation in our laboratory. Densities of glass samples with PbO content...
Ms
Pattaranipa Gunhakoon
(Department of Physics, Faculty of Science, Ubon Ratchathani University, Ubon Ratchathani, THAILAND 34190)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Preparation of the glass 6 samples in the system 10SrO – $x$PbO – $(90-x)$Silica gel where $x$ = 20, 25, 30, 35, 40 and 45 mol%. The principle of Archimedes was used to measure the density of the glass samples. The ultrasonic velocities of the glasses were determined at room temperature by using pulse echo technique. The velocity data of the glass system have been used to find the elastic...
Mrs
Phitsamai KAMONPHA
(Department of Physics, Faculty of Science, Ubon Ratchathani University, Ubon Ratchathani, THAILAND 34190)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Thermoelectric material is very important in the future, because the materials could be used as renewable energy. The PbTe group material prepared by hydrothermal preparation method was studied. Thermoelectric AgPb`${}_{18}$`SbTe`${}_{20}$` alloys were prepare by hydrothermal method at 180 ${}^{\circ}$C for 20 h from AgNO${}_3$, Pb(NO${}_3$)${}_2$, SbCl${}_3$ and TeO${}_2$ compounds and were...
Mr
Pitshaya Praigaew
(Department of Physics, Faculty of Science, Chulalongkorn University, Bangkok, THAILAND 10330)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
This work presents a comparative study on the effect of substrate surface orientation on the growth of GaN by metalorganic vapor phase epitaxy (MOVPE). GaN films was successfully grown on both the (001)- and (110)-oriented GaAs. With compared to GaN on (001)-oriented GaAs, GaN on (110)-oriented GaAs showed a flat surface and a smooth interface. Root mean square roughness (RMS) measured by...
Mr
Atipong Bootchanont
(School of Physics, Institute of Science, and COE-NANOTEC-SUT on Advanced Functional Nanomaterials, Suranaree University of Technology, Nakhon Ratchasima, THAILAND 30000)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Generally, the medical treatment of osteoporosis was used orally by strontium-base medicine because of its stimulative effect on bone formation. In this work, Hydroxyapatite-based bone (HAp) doped by Sr was investigated for the global structure by X-ray diffraction technique and the local structure by Synchrotron X-ray Absorption Spectroscopy technique. The Sr L$_3$-edge X-ray Absorption...
Dr
Jutharatana Klinkaewnarong
(Program in Physics, Faculty of Science, Udon Thani Rajabhat University)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Nanoporous materials of Ca${}_{(10-x)}$Fe${}_x$(PO${}_4$)6(OH)${}_2$ (FeHAp, x = 0, 0.1, 0.2, and 0.3) were successfully synthesized by sol–gel method. To obtain FeHAp, the prepared precursors were calcined in air at 600, 700 and 800 oC for 2 h. The samples were characterized by X–ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and transmission electron microscope (TEM)...
Mr
Winai Thongpan
(Materials Science Research Center, Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai, THAILAND 50200)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Vanadium dioxide (VO${}_2$) has a great potential to be utilized as thermochromic glazing for improving the energy efficiency of buildings. The famous semiconductor-to-metal phase transition (SMT) property of VO${}_2$ shows the reversible optical properties when the temperature is above the critical point at 68 ${}^{\circ}$C. In this work, VO${}_2$ films were prepared by sparking method on...
Ms
sunisa buekeaw
(Materials Science and Nanotechnology Program, Faculty of Science, Khon Kaen University, Khonkaen, THAILAND 40002)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Tin oxide (SnO${}_2$) is one of the promising high capacity anode materials for next generation lithium ion batteries due to its ability to uptake a large amount of Li-ion. SnO${}_2$ can provide twice as high specific capacity as graphite electrode currently used in commercial Li-ion batteries today. Therefore, using SnO${}_2$ will reduce the amount of materials used to make the electrodes and...
Ms
Sawinee Ngernpimai
(Materials Science and Nanotechnology Program, Faculty of Science, Khon Kaen University, Khon Kaen, THAILAND 40002)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Gold nanorods show great potential in applications such as imaging, drug delivery, photothermal therapy and biosensing. The optoelectronic properties strongly depend on their sizes and shapes. In this work, gold nanorods with different aspect ratios are synthesized by a seed-mediated growth method. The gold seeds are prepared by the reduction of Gold (III) chloride trihydrate (HAuCl${}_4$)...
Phonlakit Khowjalern
(Department of Physics, Faculty of Science, King Mongkut's Institute of Technology Ladkrabang, Bangkok, THAILAND 10520)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
In this work, magnesium silicide (Mg${}_2$Si) compounds were prepared by solid state reaction with sintering in quartz tube vacuum. Ball milling process is used in the mixture of magnesium (Mg) powder and pure silica obtained from thermal decomposition of rice husks. After that, the powder sample were sintered at 650$^{\circ}$C for 60, 120 and 180 minutes in quartz tube vacuum with argon...
Mr
Phonlakit Khowjalern
(Department of Physics, Faculty of Science, King Mongkut's Institute of Technology Ladkrabang, Chalongkrung Rd., Ladgrabang, Bangkok 10520, Thailand)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Magnesium silicide (Mg${}_2$Si) is a promising for thermoelectric materials due to display a high performance for thermoelectric power generation with ZT about 0.9 at operation temperature 600 to 800 K. This work, Mg${}_2$Si compound was prepared from starting powder of SiO${}_2$, which was attracted from rice husk, and Mg powder. The sintering process was performed in quartz tube vacuum at...
Ms
Chutirat Taddee
(Materials Science and Nanotechnology Program, Faculty of Science, Khon Kaen University, Khon Kaen, THAILAND 40002)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Delafossite CuCr${}_{1-x}$Fe${}_x$O${}_2$ (0.0 ≤ $x$ ≤ 0.15) semiconductors were synthesized by self-combustion urea nitrate process. The effects of Fe concentration on microstructural, optical and magnetic properties were investigated. X-ray diffraction (XRD) analysis results reveal the delafossite structure of all the samples. The lattice spacing of CuCr${}_{1-x}$Fe${}_x$O${}_2$ increased...
Ms
Lalita Tawee
(Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai, THAILAND 50200)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
In this research, The $(1-x)$BaZr${}_{0.25}$Ti${}_{0.75}$O${}_3$-$x$Sr Fe${}_{0.5}$Nb${}_{0.5}$O${}_3$ ($(1-x)$ BZT+ $x$ SFN) with 0 ≥$x$ ≥0.9 ($x$ = 0.0$-$0.9) mol% were prepare by solid-state method. The powder were calcined at 1250 ${}^{\circ}$C for 3 h and 1300 ${}^{\circ}$C various dwell times ( 3, 6, and 12 h) and then sintered at 1450 ${}^{\circ}$C for 4 h. Effect of calcination...
Mr
ADULPHAN PIMSAWAT
(Department of Physics, Faculty of Science, Khon Kaen University, Khon Kaen, THAILAND 40002)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
A NiO film was prepared by heating solution made of nickel acetate dissolved in acetic acid which were drop-casted on a fluorine-doped tin oxide (FTO) substrate. This simple preparation technique has rarely been investigated in the open literatures. The effect of heating temperatures from 250 ${}^{\circ}$C to 500 ${}^{\circ}$C on structural, morphological, electrical and capacitive properties...
Mr
Raewat Laopaiboon
(Department of Physics, Faculty of Science, Ubon Ratchatani University, Ubon Ratchatani, THAILAND 34190)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
The glass system of $x$CaO - (50-$x$)SrO – 50B${}_2$O${}_3$ ($x$ = 0, 10, 20, 30, 40 and 50 wt.%) were prepared using the conventional melt quenching technique. In this work, the calcium oxide was acquired from Cassava Rhizome. Elastic properties of the glasses were determined at room temperature by measuring ultrasonic velocities (both longitudinal and transverse) at a frequency of 4 MHz. The...
Mr
Yutthachai Jaichueai
(Department of Physics, Faculty of Science, Ubon Ratchathani University, Ubon Ratchathani, THAILAND 34190)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
The purpose of this work was to study the elastic and structural properties of recycle window glass thermoluminescent dosimeter using ultrasonic technique and FTIR spectroscopy. The thermoluminescent glass system 90RWG – 10Na${}_2$O – $x$Cu${}_2$O (where $x$ = 0.001, 0.01, 0.1 and 1.0 mol %) were prepared using the melt quenching technique consisting of 5 hr of 1250${}^{\circ}$C melting and 2...
Ms
Thanaporn Thumsa-ard
(85 Sathonlamark Road, Warin Chamrap, Department of Physics, Faculty of Science, Ubon Ratchathani University, Ubon Ratchathani 34190,Thailand)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
The present reports the preparation of ZnO doped commercial Thai transparent window glass provided by Gardian Industries Corp. (denoted as WG). The effects of variable concentration of ZnO on thermoluminescence (TL) behavior are studied . The sample were prepared by using the melt quenching technique. The glasses were cut into transparent chips and exposed to X-ray. Trapping parameters are...
Mr
Chalermwong Dokpratoom
(Department of Physics, Faculty of Science, Mahasarakham University, Mahasarakham, THAILAND 44150)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
With its unique electrical and optical characteristics, triglycinesulphate(TGS) has been studied extensively. However, the solution of glycine and sulfuric acid has the low evaporation rate, and hence, the long period is required to grow large TGS crystals. The main objective of this research is to investigate the potential of the electric-current stimulation to reduce the growth period of TGS...
Ms
Wipakorn Rittisut
(Department of Physics, Faculty of Science, Ubon Ratchathani University, Ubon Ratchathani, THAILAND 34190)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
This research aims to study the cassava biomass fuel pellets prepared by cold compressed techniques with high pressure. Cassava chips were ground and sieved in the grain size of 150-300, 300-2000 and >2000 μm and are compressed with 8, 10, 12, 14 and 16 tons/cm${}^2$. The dimension of cassava fuel pellets is 4 cm in diameter and 1.5 cm in thickness. The results show that the heat of cassava...
Mr
Champ Suksawat
(Department of Physics, Faculty of Science, Khon Kaen University, Khon Kaen, THAILAND 40002)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
When a magnetized magnet is subjected to a temperature gradient, the difference types of electron spin are separated at both ends of sample. This phenomenon is called spin Seebeck effect (SSE). The tool for observing the SSE involves an inverse spin Hall effect (a conversion of spin current to charge current) by attaching a platinum stripe on the magnetic material. In this study, we observed...
Ms
Pratthana Intawin
(Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai, THAILAND 50200)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
Five different compositions of the system P${}_2$O${}_5$-CaO-Na${}_2$O containing 0, 10, 20, 30 and 40 mol% of Ba${}_{0.6}$Sr${}_{0.4}$TiO${}_3$ were prepared by the melt quenching method. The effects of composition on their thermal properties and dielectric properties were evaluated and discussed. The glasses were evaluated for glass transition temperature (Tg) and dielectric constant...
Ms
Ladavan Kaewphaisan
(Materials Science and Nanotechnology Program, Faculty of Science, Khon Kaen University, Khon Kaen, THAILAND 40002)
5/21/15, 1:00 PM
Material Physics, Nanoscale Physics and Nanotechnology
Poster presentation
WS${}_2$ nanoparticles and multiwalled carbon nanotubes (MWNTs) were hydrothermally prepared and used as a counter electrode (CE) for dye-sensitized solar cells (DSSCs). The highest energy conversion efficiency of 6.69 % was achieved from the produced WS${}_2$/MWNT CE, closely comparable to that of the Pt CE which was 7.34 %, whereas the pure MWNT based DSSC gave the efficiency of 5.2 %. The...
