Comparison of electrodeposition of silver in ionic liquid microemulsions

被引：46

作者：

Fu, Chaopeng ^{[1
]}

Zhou, Haihui ^{[1
]}

Peng, Wencai ^{[1
]}

Chen, Jinhua ^{[1
]}

Kuang, Yafei ^{[1
]}

机构：

[1] Hunan Univ, Coll Chem & Chem Engn, Changsha 410082, Hunan, Peoples R China

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2008年 / 10卷 / 05期

基金：

中国国家自然科学基金;

关键词：

ionic liquid; microemulsions; microenvironment; electrodeposition of silver;

D O I：

10.1016/j.elecom.2008.03.002

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Both ionic liquid (IL) and water are typical green solvents and have high electric conductivity. The use of IL microemulsions as templates and media for electrochemical synthesis of nano-materials is attractive. In this work, water-in-ionic liquid (W/IL) microemulsion and ionic liquid-in-water (IL/W) microemulsion were prepared, in which hydrophobic ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate was used. The cyclic voltammetry (CV) behavior and electroplating in the W/IL and IL/W microemulsion systems containing silver nitrate were investigated for the first time. Both the CV curves exhibit the presence of reduction and oxidation peaks corresponding to the deposition and dissolution of silver from the two microemulsion systems. However, the CV obtained from IL/W microemulsion system exhibits a crossover, which is different from that obtained from W/IL. microemulsion system. The electrodeposits obtained from W/IL microemulsion system are nano-granular, while those obtained from IL/W microemulsion system are planar. These results are attributed to the different microenvironments of the microemulsions. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：806 / 809

页数：4

共 23 条

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