期刊
SURFACE & COATINGS TECHNOLOGY
卷 202, 期 22-23, 页码 5641-5645出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.surfcoat.2008.06.037
关键词
Sputtering; Flexible substrate; Electrochromism; Vanadium oxide; Cyclic voltammetry
The reactive sputtering deposition of electrochromic thin films of V2O5-z onto flexible PET/ITO substrates using argon and oxygen at room temperature (23 degrees C) was investigated. Cyclic voltammetry measurements showed that only low driving voltages, between -0.6 V and + 1 V, were needed to provide reversible Li+ ion insertion and extraction. XPS showed that thin film with oxygen deficiency z of 0.13 can offer promising light modulation at a wavelength of 400 nm under visible-UV spectroscopy, with up to 36.5% transmittance variation even after 200 cycles of cyclic voltammetry tests. (C) 2008 Published by Elsevier B.V.
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