Title
Electrochromic NiO<inf>x</inf>H<inf>y</inf>, hydrated films: cyclic voltammetry and ac impedance spectroscopy in aqueous electrolyte
Date Issued
1990
Access level
metadata only access
Resource Type
journal article
Author(s)
Gorenstein A.
Decker F.
Esteves C.
Andersson A.
Passerini S.
Pantaloni S.
Scrosati B.
Universidad Nacional de Ingeniería
Abstract
The characteristics of the electrochromic process of sputtered hydrated nickel oxide films have been investigated by cyclic voltainmetry, in situ optical transmittance and ac impedance spectroscopy. The results indicate that the state of coloration of these films is related to the conditions used to drive the electrochromic process, whose kinetics at high positive potentials become controlled by ion diffusion into and from the nickel oxide structure. © 1990.
Start page
277
End page
290
Volume
277
Issue
February 1
Language
English
OCDE Knowledge area
Recubrimiento, Películas
Scopus EID
2-s2.0-0000942078
Source
Journal of Electroanalytical Chemistry
ISSN of the container
00220728
Sponsor(s)
W.E. and A.G. wish to thankt he InternationalS eminar( Uppsala,S weden);A .G. acknowledgetsh e InternationalC entref or TheoreticalP hysics( ICTP, Trieste,I taly) and Fapesp (S.P., Brazil) for Visiting ScientistF ellowships.C .G. Granqvist and collaboratorsa re acknowledgedfo r kindly providingt he NiO,H, sputtereds amples and for helpful discussionsF. inally, the financial support of Ministero Pubblica Istruzione( MPI, 40%)i s acknowledged.
Sources of information:
Directorio de Producción Científica
Scopus