Electrochemical deposition of ZnO in a room temperature ionic liquid: 1-Butyl-1-methylpyrrolidinium bis(trifluoromethane sulfonyl)imide

被引：45

作者：

Azaceta, E. ^{[1
]}

Tena-Zaera, R. ^{[1
]}

Marcilla, R. ^{[1
]}

Fantini, S. ^{[2
]}

Echeberria, J. ^{[3
]}

Pomposo, J. A. ^{[1
]}

Grande, H. ^{[1
]}

Mecerreyes, D. ^{[1
]}

机构：

[1] Ctr Electrochem Technol, CIDETEC, New Mat Dept, San Sebastian 20009, Spain

[2] Solvionic, F-31078 Toulosse, France

[3] CEIT, San Sebastian 20018, Spain

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2009年 / 11卷 / 11期

关键词：

ZnO; Electrodeposition; Ionic liquid; Nanocrystalline film; 1-Butyl-1-methylpyrrolidinium; bis(trifluoromethanesulfonyl)imide; Metal oxide; ZINC-OXIDE FILMS; NANOWIRE ARRAYS; ELECTRODEPOSITION; ANIONS; METALS; OXYGEN;

D O I：

10.1016/j.elecom.2009.09.026

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

An innovative electrochemical route is proposed to deposit nanocrystalline ZnO films. The approach is based on the electrochemical reduction of O-2 in a solution of zinc bis(trifluoromethanesulfonyl)imide salt in 1-butyl-1-methylpyrrolidinium bis(trifluoromethanesulfonyl)imide room temperature ionic liquid. The mechanisms involved in the deposition process are analyzed by cyclic voltammetry, pointing out that the ZnO formation occurs from the chemical reaction between the Zn2+ and O-2(-) generated from the O-2 reduction. Homogenous films constituted of primary ZnO nanocrystals (15-25 nm) assembled in close-packed desert rose-like and open-packed round-top shape agglomerates are obtained at 100 and 150 degrees C, respectively. The differences with respect to the electrochemical routes based on aqueous and organic media are discussed. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：2184 / 2186

页数：3

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