Synthesis and Characterization of Polyaniline Coated Gold Nanoparticle and Its Primary Application

Acta Chimica Sinica ›› 2006, Vol. 64 ›› Issue (8): 733-737. Previous Articles Next Articles

Original Articles

聚苯胺包裹的金纳米粒子的合成和表征及初步应用

郑国祥*^,1，邵勇¹,2，徐斌¹

(¹四川理工学院化学系自贡 643033)
(² Laboratoire d’Electrochimie et Chimie Physique du Corps Solide, Faculté de Chimie,
Université Louis Pasteur Strasbourg, France 67000)

投稿日期:2005-08-18 修回日期:2005-12-19 发布日期:2006-04-25
通讯作者: 郑国祥

Synthesis and Characterization of Polyaniline Coated Gold Nanoparticle and Its Primary Application

ZHENG Guo-Xiang*^,1, SHAO Yong¹,2, XU Bin¹

(¹Department of Chemistry, Sichuan University of Science and Engineering, Zigong 643033)
(²Laboratoire d’Electrochimie et Chimie Physique du Corps Solide, Faculté de Chimie,
Université Louis Pasteur, Strasbourg, France 67000)

Received:2005-08-18 Revised:2005-12-19 Published:2006-04-25
Contact: ZHENG Guo-Xiang

Abstract

Aniline was served as reductant in this paper for the synthesis of gold nanoparticles with positively charged coatings by one pot reaction. Transmission electron microscopy (TEM) was used to visualize the shell structure around the gold nanoparticle cores. Fluorescence spectroscopy and X-ray photoelectron spectroscopy (XPS) proved that the shell was polyaniline or its aniline oligomer which was positively charged in the emeraldine salt form. The synthesized nanoparticles can be assembled onto gold electrode surface through negatively charged submonolayer of 3-mercapto propanoic acid. Improved performance for direct electron transfer of superoxide dismutase on such assemblies can be achieved.

Key words: gold nanoparticle, conductive polymer, aniline, superoxide dismutase, direct electrochemistry

Cite this article

ZHENG Guo-Xiang*^,1, SHAO Yong^1,2, XU Bin. Synthesis and Characterization of Polyaniline Coated Gold Nanoparticle and Its Primary Application[J]. Acta Chimica Sinica, 2006, 64(8): 733-737.

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聚苯胺包裹的金纳米粒子的合成和表征及初步应用

Synthesis and Characterization of Polyaniline Coated Gold Nanoparticle and Its Primary Application

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