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Electrochromic performance of Ni oxide thin films intercalated with Li+ ions
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
2014 (English)In: Journal of Physics, Conference Series, ISSN 1742-6588, E-ISSN 1742-6596, Vol. 559, no 1, 012006Article in journal (Refereed) Published
Abstract [en]

ABSTRACT: Porous Ni oxide thin films were deposited on unheated ITO/glass substrates by sputtering in argon–oxygen. The as-deposited thin films have a cubic NiO structure and still exhibit such a structure after 10,000 electrochemical cycles in 1 M LiClO 4 in propylene carbonate in the range between 2.0 and 4.1 V vs Li/Li + . Electrochromic performance showed a rapid drop of charge density over the first hundreds of cycles and subsequently a very slow decrease. The charge density was 87% of the initial one after 1,000 cycles and 82% after 10,000 cycles, indicating an extremely slow decay after 1,000 cycles. Optical modulation was also slightly decreased after 10,000 cycles, which is due to the drop of charge density.

Full-text · Conference Paper · Sep 2014

Place, publisher, year, edition, pages
2014. Vol. 559, no 1, 012006
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:uu:diva-285238OAI: oai:DiVA.org:uu-285238DiVA: diva2:921140
Available from: 2016-04-19 Created: 2016-04-19 Last updated: 2017-11-30

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Wen, R.-T.Niklasson, GunnarGranqvist, C.-G.

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