Ultra fast electrochromic switching of nanostructured NiO films electrodeposited from choline chloride-based ionic liquid

被引：57

作者：

Cai, G. F. ^{[1
,2
]}

Gu, C. D. ^{[1
,2
,3
]}

Zhang, J. ^{[4
]}

Liu, P. C. ^{[1
,2
]}

Wang, X. L. ^{[1
,2
,3
]}

You, Y. H. ^{[1
,2
]}

Tu, J. P. ^{[1
,2
,3
]}

机构：

[1] Zhejiang Univ, Key Lab Adv Mat & Applicat Batteries Zhejiang Pro, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China

[2] Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Zhejiang, Peoples R China

[3] Zhejiang Univ, Cyrus Tang Ctr Sensor Mat & Applicat, Hangzhou 310027, Zhejiang, Peoples R China

[4] Zhejiang Normal Univ, Inst Phys Chem, Key Lab, Minist Educ Adv Catalysis Mat, Jinan 321004, Peoples R China

来源：

ELECTROCHIMICA ACTA | 2013年 / 87卷

基金：

中国国家自然科学基金;

关键词：

Electrochromism; NiO film; Ionic liquid; Electrochemical property; CHEMICAL BATH DEPOSITION; NICKEL-OXIDE FILMS; THIN-FILMS; ETHYLENE-GLYCOL; TUNGSTEN-OXIDE; DEVICES; METALS; RAMAN; PERFORMANCES; ABSORPTION;

D O I：

10.1016/j.electacta.2012.09.047

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Nanostructured nickel oxide (NiO) thin films were prepared by a simple electrodeposition in choline chloride-based ionic liquid followed by an oxidation in air. Uniform granules and some voids opened between these granules were presented in the polycrystalline NiO films deposited for 10 and 30 s, but the film became compact as the deposition time increased to 60 s. The optical transmittance of the film decreased with the increase of the film thickness. All the NiO films exhibit high coloration efficiency, fast electrochromic switching and good cycling durability. The ultra fast switching time (0.74 s and 0.88 s) and maximum coloration efficiency of 250 cm(2) C-1 were observed for the film deposited for 10 s. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：341 / 347

页数：7

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