Facile method for the synthesis of gold nanoparticles using an ion coater

Title
Facile method for the synthesis of gold nanoparticles using an ion coater
Authors
장호성이승한정현규김태철김창희신창환윤태식홍아라김동훈
Keywords
Au nanoparticle; ion coater; Gold nanoparticles; Sputtering; Liquid capture media; Surface plasmon resonance; Environmentally friendly nanoparticle synthesis
Issue Date
2018-03
Publisher
Applied surface science
Citation
VOL 434-1006
Abstract
Herein we report a metal nanoparticle synthesis method based on a physical vapor deposition process instead of the conventional wet process of chemical reactions in liquids. A narrow size distribution of synthesized gold nanoparticles was obtained using an ion coater on glycerin at low vapor pressure. The nanoparticle size could be modulated by controlling the sputtering conditions especially the discharge current. Due to the formation of gold nanoparticles, a surface plasmon resonance peak appeared at ∼530  nm in the absorption spectrum. The surface plasmon resonance peak exhibited red-shift with increasing size of the gold nanoparticles. Our results provide a simple, environmental friendly method for the synthesis of metal nanoparticles by combine low-cost deposition apparatus and a liquid medium, which is free from toxic reagents.
URI
http://pubs.kist.re.kr/handle/201004/66591
ISSN
0169-4332
Appears in Collections:
KIST Publication > Article
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