Characterization of an all sol-gel electrochromic device WO3/Ormolyte/CeO2-TiO2

被引:18
作者
Avellaneda, CO
Dahmouche, K
Bulhoes, LOS
Pawlicka, A
机构
[1] Univ Sao Paulo, Inst Fis Sao Carlos, Dept Fis & Ciencia Mat, BR-13560970 Sao Carlos, SP, Brazil
[2] Univ Fed Sao Carlos, Dept Quim, LIEC, BR-13565905 Sao Carlos, SP, Brazil
[3] UNESP, Inst Quim, BR-14800900 Araraquara, SP, Brazil
[4] Univ Sao Paulo, Inst Quim Sao Carlos, Dept Fisicoquim, BR-13560970 Sao Carlos, SP, Brazil
基金
巴西圣保罗研究基金会;
关键词
electrochromic devices; WO3; CeO2-TiO2; hybrid materials-ormolyte;
D O I
10.1023/A:1008751630771
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Electrochemical lithium intercalation in thin films of CeO2-TiO2 and WO3, prepared by the sol-gel technique was investigated with cyclic voltammetry and spectroelectrochemical techniques in propylene carbonate solutions. A solid state system having the configuration WO3/Ormolyte/CeO2-TiO2 has been assembled. The solid electrolyte, an organically modified electrolyte (ormolyte), was prepared with different [O]/[Li] ratios. The transmittance variation of this system during a potentiostatic step from -0.7 V to 0.8 V was about 35% at 550 nm.
引用
收藏
页码:447 / 451
页数:5
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