Dynamic color display with tuneable gamut by surface resistance control in ITO-based electrochromic devices

IF 6.3 2区材料科学 Q2 ENERGY & FUELS

Solar Energy Materials and Solar Cells Pub Date : 2025-05-16 DOI:10.1016/j.solmat.2025.113720

Zhi Li , Long Yuan , Xiaotian Yang

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引用次数: 0

Abstract

Effect of surface resistance of transparent conductive layers on the plasmonic electrochromic devices is reported firstly. The resistance of ITO layer was tailored by a simple thermal treatment route. Low resistance ITO electrode dominate a cool color evolution scenario from transparent to bluish-green to black route, while that of high resistance counterpart show a warm color evolution route from transparent to yellowish-purple to black route. The transparency modulation rate increased from 66 % to 75 % after increasing the surface resistance from 8.17 to 90.14 Ω/sq. Mechanism accounts for the different electrochromic routes is attributed by the dynamic formation and dissolution of widely dispersed silver nanoparticle sizes of in the high-resistance devices than that of low-resistance devices. This work provide a feasible strategy for color gamut tailoring based on the resistance control over transparent conductive layer, which is important for design and fabrication new electrochromic devices.

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基于ito的电致变色器件的表面电阻控制动态色域可调彩色显示

首次报道了透明导电层表面电阻对等离子体电致变色器件的影响。采用简单的热处理工艺定制了ITO层的电阻。低电阻ITO电极呈现出从透明到蓝绿色再到黑色的冷色演变路线，而高电阻ITO电极呈现出从透明到黄紫色再到黑色的暖色演变路线。当表面电阻从8.17增加到90.14 Ω/sq时，透明调制率从66%提高到75%。不同电致变色途径的机理是高阻器件中广泛分布的银纳米粒子的动态形成和溶解，而低阻器件中则不同。本研究提供了一种可行的基于透明导电层电阻控制的色域裁剪策略，对新型电致变色器件的设计和制造具有重要意义。

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来源期刊

Solar Energy Materials and Solar Cells 工程技术-材料科学：综合

CiteScore

12.60

自引率

11.60%

发文量

513

审稿时长

47 days

期刊介绍： Solar Energy Materials & Solar Cells is intended as a vehicle for the dissemination of research results on materials science and technology related to photovoltaic, photothermal and photoelectrochemical solar energy conversion. Materials science is taken in the broadest possible sense and encompasses physics, chemistry, optics, materials fabrication and analysis for all types of materials.