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Reflective Structural Color Tunability of Inorganic Electrochromic Devices by Interferometric Modulation

文献类型： 外文期刊

作者： Zhang, Shiyu 1 ; Zheng, Luyi 1 ; Lv, Yong 1 ; Niu, Chunhui 1 ; Yang, Mingqing 1 ; Wang, Lei 1 ; Jiang, Zikang 1 ; Zhang, Ruixian 1 ; Liu, Tongyu 2 ; Lin, Kai 3 ;

作者机构： 1.Beijing Informat Sci & Technol Univ, Sch Instrument Sci & Opto Elect Engn, Beijing 100192, Peoples R China

2.Sci & Technol Electroopt Informat Secur Control L, Tianjin 300308, Peoples R China

3.Beijing Fisheries Res Inst, Fishery Res Ctr Informat Technol, Beijing 100068, Peoples R China

关键词： WO3; colorful tungsten oxide film; Fabry-Perot cavity; electrochromism

期刊名称：INTERNATIONAL JOURNAL OF NANOSCIENCE （ 影响因子：0.8； 五年影响因子：0.7 ）

ISSN： 0219-581X

年卷期： 2021 年 20 卷 06 期

页码：

收录情况： SCI

摘要： In the multicolor regulation of visible-light band, the inorganic electrochromic multicolor modulation has always been the bottleneck of expanding the application of inorganic electrochromic reflection display. An electrochromic device (ECD) based on an ultracompact unsymmetric Fabry - Perot resonator was designed. Electrochromic oxides such as tungsten oxide, offer the possibility to tune their refractive index and extinction coefficient upon ion insertion, allowing active control over resonance conditions for Fabry-Perot cavity-type devices. The spectrum colors of red, yellow, green and blue can be obtained by adjusting the thickness of tungsten oxide in the W/(WO3-x center dot nH(2)O) electrode. The optical constants of tungsten oxide can be adjusted reversibly by using electrochemical ion insertion/stripping, and the reflection peak of W/(WO3-x center dot nH(2)O) electrode in the visible-light band can be adjusted. The dynamic color control of the ECDs can be achieved finely.

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