Enhanced Electrochromism in Gyroid-Structured Vanadium Pentoxide

被引：158
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
收藏
页码：1217 / 1221
页数：5
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