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

Metal nanoparticles synthesis using atmospheric pressure micro discharge jet

21 May 2015, 13:30
30m
Hemingways' Lounge ()

Hemingways' Lounge

Invited talk Ion and Plasma Physics Ion and Plasma Physics

Speaker

O.H. Chin (Plasma Technology Research Centre, Physics Department, University of Malaya 50603 Kuala Lumpur, Malaysia)

Description

Metal nanoparticles (NPs) due to their size and shape, have unique attributes that differ from their macrosized counterparts. These attributes contributed to an ever-growing list of applications, from medicine to electronics. The challenge is not only to create the nanoscale sizes but also to keep the metal NPs dispersed without agglomeration. Conventional methods to synthesize the NPs include the physical (e.g. evaporation-condensation, laser ablation) and chemical (via chemical reducing and capping agents) approaches. An alternative method is to use a specially configured atmospheric pressure micro discharge jet to produce NPs without the addition of reducing and capping agents. In this case, the micro discharge jet is itself the reducing agent, hence, making it environmentally friendly. The synthesis process is quite rapid (within minutes) and no heating is required.

Primary author

O.H. Chin (Plasma Technology Research Centre, Physics Department, University of Malaya 50603 Kuala Lumpur, Malaysia)

Co-authors

Boon Hoong Ong (Nanotechnology and Catalyst Research Centre (NANOCAT), University of Malaya 50603 Kuala Lumpur, Malaysia) Nay Ming Huang (Low-Dimensional Materials Research Centre, Physics Department, University of Malaya 50603 Kuala Lumpur, Malaysia) Y.L. Thong (Plasma Technology Research Centre, Physics Department, University of Malaya 50603 Kuala Lumpur, Malaysia)

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