20-22 May 2015
Asia/Bangkok timezone
The Centennial Celebration of General Relativity Theory and 80 Years of Thai Physics Graduate

Controlled Growth of ZnO Nanostructures in Hydrothermal Process on ZnO Seeds Layer Synthesized with Different Precursor Concentrations

21 May 2015, 13:00
3h 30m
Board: MNA-66
Poster presentation Material Physics, Nanoscale Physics and Nanotechnology Poster-3

Speaker

Mr Nontakoch Siriphongsapak (Department of Physics, Faculty of Science, King Mongkut's University of Technology Thonburi, Bangkok, THAILAND 10140.)

Description

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 by field-emission scanning electron microscope (FESEM) and X-rays diffractometer (XRD) to study morphology and crystallographic structure, respectively. The results showed that particle size and diffraction pattern of ZnO seed layers changed with various precursor concentration. Moreover, different precursor concentration affected the change of ZnO morphology from nanorods to nanosheets.

Primary author

Mr Nontakoch Siriphongsapak (Department of Physics, Faculty of Science, King Mongkut's University of Technology Thonburi, Bangkok, THAILAND 10140.)

Co-authors

Prof. Pichet Limsuwan (Department of Physics, Faculty of Science, King Mongkut's University of Technology Thonburi, Bangkok, THAILAND 10140.) Dr Somyod Denchitcharoen (Department of Physics, Faculty of Science, King Mongkut's University of Technology Thonburi, Bangkok, THAILAND 10140.)

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