Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK)

Changsha,China,10.16-10.18,2010

ISBN: 978-1-935068-41-9 Scientific Research Publishing, USA

E-Book 2313pp Pub. Date: October 2010

Category: Chemistry & Materials Science

Price: $360

Title: Prepration of a Type of Core-Shell Gold Nanorods
Source: Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK) (pp 2067-2068)
Author(s): Hao-wen Huang, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China
Cai-ting Qu, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China
Shao-wen Huang, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China
Zhong-jian Xu, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China
Ping-gui Yi, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China
Abstract: We report a novel shell technique to prepare controllable core-shell nanoparticles. In this technique, the shell is formed when the core reacts with metal ions and Na2S2O3 and the size of the core and thickness of the shell can be controlled. Transmission electron microscopy and X-ray diffraction reveal that the shell consists of insoluble complex salts comprising Au2S, AuAgS and Ag3AuS2. The resulting core-shell nanoparticles obtained at different reaction stages demonstrate that the formation of Au2S, AuAgS and Ag3AuS2 shell proceeds from the outside.
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