Electrochromic vanadium–pentoxide–based films: Structural, electrochemical, and optical properties
- 1 May 1995
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 77 (9) , 4655-4666
- https://doi.org/10.1063/1.359433
Abstract
Crystalline VO2.5 films were prepared by reactive dc magnetron sputtering followed by annealing posttreatment. Lithium was inserted electrochemically from an electrolyte so that LixVO2.5 (0<x−1 interval, and the mechanical stress by beam deflectometry were studied. Changes in lattice parameters, phonon spectra, and stress levels gave a consistent picture of the structural evolution. Measurements of optical absorption and EMF were interpreted within a conceptual model of interband transitions between the O 2p band and a split V 3d band. Durability and reversibility of the Li intercalation/deintercalation were verified by potentiodynamic measurements. For comparison, the properties of highly disordered films were also measured.This publication has 113 references indexed in Scilit:
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