电致变色
材料科学
电致变色装置
纳米技术
聚合物
电解质
等离子体子
氧化物
可靠性(半导体)
光电子学
复合材料
电极
冶金
物理化学
功率(物理)
化学
物理
量子力学
作者
Varun Rai,Ram Sevak Singh,Daniel John Blackwood,Zhili Dong
标识
DOI:10.1002/adem.202000082
摘要
Electrochromic (EC) device reversibly changes color and optical state by applying electric potential. EC materials shows color change due to redox process and electron transfer across various states under influence of electric field. EC devices are categorized based on various classes of EC materials inorganic metal oxide and polyoxometalates (POMs), metal complexes, hybrid materials, metal plasmonics–metal/alloy and organic molecules/conjugated polymers. EC materials and its viability for device application are presented herein considering various performance parameter indices. The performance of EC devices is monitored by its switching time between transparent‐bleached state to colored state and vice versa, cycling stability, coloration efficiency, applied voltage, electro‐optical properties, electrochemical stability and breakdown potentials of EC materials and electrolytes. Recent advances in the area of EC devices and materials, its operation mechanism in various categories of EC materials along with existing challenges and recommendations to improve performances and reliability are summarized.
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