Electrochromic devices based on tungsten oxide layers modified with polyethylene glycol

被引：4

作者：

Sokhovich, E., V ^{[1
]}

Mjakin, S., V ^{[1
]}

Semenova, A. A. ^{[1
]}

Zemko, V. S. ^{[1
]}

Bakhmetyev, V. V. ^{[1
]}

Prostitenko, O., V ^{[1
,2
]}

Khalimon, V., I ^{[1
,2
]}

机构：

[1] Tech Univ, St Petersburg State Inst Technol, St Petersburg, Russia

[2] ITMO Univ, St Petersburg, Russia

来源：

JOURNAL OF OPTICAL TECHNOLOGY | 2019年 / 86卷 / 01期

关键词：

D O I：

10.1364/JOT.86.000054

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

For the synthesis of tungsten-oxide-based electrochromic layers, the effect of the addition of polyethylene glycol (PEG) in different concentrations into peroxopolytungstic acid sol followed by thermal treatment at different temperatures on the performance of electrochromic devices (ECDs) is studied. The modification of the tungsten-oxide-layer sol-gel synthesis under optimal conditions (PEG: WO3 ratio 1:2, temperature 450 degrees C) provides a significant improvement of the ECD optical contrast and coloration efficiency due to the formation of a highly developed surface of the tungsten oxide layer, enhancing its contact with electrolyte while retaining continuity of the electrochromic layer. (C) 2019 Optical Society of America

引用

页码：54 / 59

页数：6

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