Fabry-Perot cavity colorful reflective electrochromic device based on metal and tungsten trioxide

IF 2.5 3区物理与天体物理 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Photonics and Nanostructures-Fundamentals and Applications Pub Date : 2025-02-01 DOI:10.1016/j.photonics.2025.101352

Chenxiao Guo, Muyun Li, Honglong Ning, Guoping Su, Zhihao Liang, Bocheng Jiang, Yuxiang Liu, Shitao Xu, Rihui Yao, Junbiao Peng

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引用次数: 0

Abstract

The realization of colorful effects based on inorganic electrochromic materials has always been a focus of research in the field of electrochromism. In recent years, colorful electrochromic devices based on Fabry-Perot cavity have received a lot of attention. This article uses three metals (chromium, copper and tungsten) and tungsten trioxide to form Fabry-Perot cavity, and tests these electrochromic devices (ECDs). The results show that Fabry-Perot cavity electrochromic devices based on these three metals can achieve colorful effects, among which ECD using tungsten as reflector has the best performance, with an optical modulation range of reflectivity of 27.67 %. The CIE color coordinates change from (0.235, 0.300) to (0.241, 0.181), and the response times for coloring and bleaching are 4.0 s and 6.1 s, respectively. ECD using chromium as reflector is similar to ECD using tungsten as reflector in reflectance spectra, ECD using copper as reflector has a fast response speed but performs poorly in terms of cycle life. By comparing the differences in device performance caused by three types of metal reflective layers, we believe that metals with strong reflection, good conductivity, and chemical stability can perform better in such electrochromic device.

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来源期刊

Photonics and Nanostructures-Fundamentals and Applications 工程技术-材料科学：综合

CiteScore

5.00

自引率

3.70%

发文量

审稿时长

62 days

期刊介绍： This journal establishes a dedicated channel for physicists, material scientists, chemists, engineers and computer scientists who are interested in photonics and nanostructures, and especially in research related to photonic crystals, photonic band gaps and metamaterials. The Journal sheds light on the latest developments in this growing field of science that will see the emergence of faster telecommunications and ultimately computers that use light instead of electrons to connect components.