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In situ synthesis of metal nanoparticles on single-layer graphene oxide and reduced graphene oxide surfaces

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In situ synthesis of metal nanoparticles on single-layer graphene oxide and reduced graphene oxide surfaces

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Title: In situ synthesis of metal nanoparticles on single-layer graphene oxide and reduced graphene oxide surfaces
Author: Zhou, Xiaozhu; Huang, Xiao; Qi, Xiaoying; Wu, Shixin; Xue, Can; Boey, Freddy Yin Chiang; Yan, Qingyu; Chen, Peng; Zhang, Hua
Copyright year: 2009
Abstract: A straightforward one-step chemical method to in situ synthesis of Ag nanoparticles (Ag NPs) on single-layer graphene oxide (GO) and reduced graphene oxide (r-GO) surfaces is proposed. After simply heating the single-layer GO or r-GO adsorbed on 3-aminopropyltriethoxysilane (APTES)-modified Si/SiOx substrates in a silver nitrate aqueous solution at 75 °C, Ag NPs are synthesized and grow on the GO or r-GO surface. The obtained Ag NPs are investigated by atomic force microscopy, scanning electron microscopy, X-ray diffraction, transmission electron microscopy, and Raman spectroscopy. Our method is unique and important since no reducing agent is required in the reaction. Au NPs on a GO surface are obtained by simply immersing the obtained Ag NPs on the GO surface in HAuCl4 solution.
Subject: DRNTU::Engineering::Materials.
Type: Journal Article
Series/ Journal Title: The journal of physical chemistry C
School: School of Materials Science and Engineering
Rights: © 2009 American Chemical Society.

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