期刊
SOLAR ENERGY MATERIALS AND SOLAR CELLS
卷 99, 期 -, 页码 339-344出版社
ELSEVIER
DOI: 10.1016/j.solmat.2011.12.025
关键词
Electrochromism; Tungsten oxide; Nickel oxide; Thin film; Impedance spectroscopy; Optical properties
资金
- Clear-up (Clean and Resource Efficient Buildings for Real Life)
- European Community's Seventh Framework Programme (FP7/2007-2013) [211948]
- Swedish Research Council (VR)
- Swedish Research Council for Environment, Agriculture Sciences and Spatial Planning (FORMAS)
Thin films of NixW1-x oxide were prepared by reactive DC magnetron co-sputtering and were investigated by optical and electrochemical measurements. Electrochromism was found only for 0 < x < 0.3 but not for 0.3 < x < 0.6, though films with x similar to 0.4 could still sustain reversible charge insertion. The coloration efficiency was largest for 0.10 < x <0.15. The charge capacity of the NixW1-x oxide films decreased upon increasing the value of x as a consequence of a decreasing ion diffusion coefficient leading to slower kinetics. (C) 2012 Elsevier B.V. All rights reserved.
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