Electrochromic performance of Ni oxide thin films intercalated with Li+ ions
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: 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
Engineering and Technology
IdentifiersURN: urn:nbn:se:uu:diva-285238OAI: oai:DiVA.org:uu-285238DiVA: diva2:921140