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25.5: Applications of Electrochromic Film Technology
Author(s) -
Wang Jian,
Zhou Yan,
Qiu Chengfeng,
Lou Fei
Publication year - 2019
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1002/sdtp.13459
Subject(s) - electrochromism , materials science , electrolyte , electrochromic devices , substrate (aquarium) , optoelectronics , polymer , leakage (economics) , roll to roll processing , layer (electronics) , nanotechnology , electrode , composite material , chemistry , oceanography , economics , macroeconomics , geology
Electrochromic film utilizes flexible light‐weight plastic substrate, which could be directly integrated onto the glass, transferring the standard glass to smart glass. We use semiconducting polymer as the electrochromic layer and solid‐state electrolyte. The optical properties of the semiconducting polymer can be easily adjusted by varying the molecular structure, which offers a choice of multicolors. The solid‐state electrolyte avoids the problem of leakage commonly associated with liquid electrolytes, and provides high ion‐conductivity to realize fast switching speed. All the functional materials are solution processable, which high throughput, low cost, scalable roll‐to‐roll manufacturing process can be employed to fabricate the electrochromic film, reducing the cost significantly. 50,000 switching cycles under one sun illumination is reached, demonstrating a 50‐year lifetime.