An all-solid-state electrochromic device based on NiO/WO3 complementary structure and solid hybrid polyelectrolyte

被引：194

作者：

Zhang, J. ^{[1
]}

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

Xia, X. H. ^{[1
]}

Qiao, Y. ^{[2
]}

Lu, Y. ^{[2
]}

机构：

[1] Zhejiang Univ, Dept Mat Sci & Engn, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China

[2] Hefei Elect Engn Inst, Key Lab Infrared & Low Temp Plasma Anhui Prov, Hefei 230037, Peoples R China

来源：

SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2009年 / 93卷 / 10期

关键词：

Electrochromic device; Tungsten oxide; Nickel oxide; Hybrid polyelectrolyte; WO3; THIN-FILMS; TUNGSTEN-OXIDE; NICKEL-OXIDE; WINDOWS;

D O I：

10.1016/j.solmat.2009.06.025

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

An all-solid-state electrochromic (EC) device based on NiO/WO3 complementary structure and solid polyelectrolyte was manufactured for modulating the optical transmittance. The device consists of WO3 film as the main electrochromic layer, single-phase hybrid polyelectrolyte as the Li+ ion conductor layer, and NiO film as the counter electrochromic layer. Indium tin oxide- (ITO) coated glass was used as substrate and ITO films act as the transparent conductive electrodes. The effective area of the device is 5 x 5 cm(2). The device showed an optical modulation of 55% at 550 nm and achieved a coloration efficiency of 87 cm(2) C-1. The response time of the device is found to be about 10s for coloring step and 20s for bleaching step. The electrochromic mechanism in the NiO/WO3 complementary structure with Li+ ion insertion and extraction was investigated by means of cyclic voltammograms (CV) and X-ray photoelectron spectroscopy (XPS). (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：1840 / 1845

页数：6

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