Chemistry - An Asian Journal
Chemistry - An Asian Journal
4 years ago

Improved Electrochemical Cycling Durability in a Nickel Oxide Double-Layered Film

Improved Electrochemical Cycling Durability in a Nickel Oxide Double-Layered Film
Kun Zhang, Xiang Zhang, Alexander Gavrilyuk, Yao Li, Huiying Qu, Jiupeng Zhao, Hangchuan Zhang, Yanlong Tian, Hongbin Geng, Binsheng Wang, Shuai Hou
For the first time, a crystalline–amorphous double-layered NiOx film has been prepared by reactive radio frequency magnetron sputtering. This film has exhibited improved electrochemical cycling durability, whereas other electrochromic parameters have been maintained at the required level, namely, a short coloration/bleaching time (0.8 s/1.1 s) and an enhanced transmittance modulation range (62.2 %) at λ=550 nm. Additionally, the double-layered film has shown better reversibility than that of amorphous and crystalline single-layered films. Doubling up best features: To enhance the electrochromic properties of NiOx thin films, crystalline–amorphous double-layered nickel oxide film has been prepared by reactive radio frequency magnetron sputtering technology. Double-layered NiO exhibits outstanding electrochromism, with a short response time, large transmittance modulation range, and high coloration efficiency (see figure). The double-layered film also shows better cycling durability than that of the component films alone.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/asia.201700994

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