Enhanced Electrochromism in Gyroid-Structured Vanadium Pentoxide

被引：160

作者：

Scherer, Maik R. J. ^{[1
]}

Li, Li ^{[1
]}

Cunha, Pedro M. S. ^{[1
]}

Scherman, Oren A. ^{[2
]}

Steiner, Ullrich ^{[1
]}

机构：

[1] Univ Cambridge, Dept Phys, Cambridge CB3 0HE, England

[2] Univ Cambridge, Dept Chem, Cambridge CB2 1EW, England

来源：

ADVANCED MATERIALS | 2012年 / 24卷 / 09期

基金：

英国工程与自然科学研究理事会;

关键词：

Electrochromic materials; Vanadium pentoxide; V2O5; NANOWIRES; PERFORMANCE; POLYMERS; OXIDE;

D O I：

10.1002/adma.201104272

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Manufacturing V 2O 5 in a 3D periodic highly interconnected gyroid structure on the 10 nm length scale is shown to lead to a significant electrochromic performance enhancement. The structured devices surpass previous inorganic electrochromic materials in all relevant parameters: the switching speed, coloration contrast, and composite coloration efficiency. In particular, the 85 ms switching speed lies within a factor of two of video rate. Enhanced ion intercalation into the gyroid morphology can be extended to other transition-metal oxides and is therefore promising for lithium ion batteries, supercapacitors, and sensors. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：1217 / 1221

页数：5

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