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Vol. 25 No. 10 (2013): Vol 25 Issue 10

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Electrochromic Properties of WO3 Thin Film with Various Heat-Treatment Temperature

https://doi.org/10.14233/ajchem.2013.OH115
Chang-Yeoul Kim
Nano-Convergence Intelligence Material Team, Korea Institute of Ceramic Engineering and Technology, 233-5 Gasan-dong Geumcheon-Gu, 153-801 Republic of Korea
Seok Park
Nano-Convergence Intelligence Material Team, Korea Institute of Ceramic Engineering and Technology, 233-5 Gasan-dong Geumcheon-Gu, 153-801 Republic of Korea

Corresponding Author(s) : Chang-Yeoul Kim

cykim15@kicet.re.kr

Asian Journal of Chemistry, Vol. 25 No. 10 (2013): Vol 25 Issue 10

Abstract

Tungsten oxide is a representative electrochromic material which has widely researched as an active electrochromic electrode. The electrochromic properties are related with ion intercalation and deintercaltion like lithium or proton ions. So, it is thought that amorphous or crystalline phase of tungsten oxide is very important for the capability and reversiblility of ion intercalation or deintercalaton. In this study, we analyzed the relationships between heat-treatment temperature and electrochromic properties of tungsten oxide film prepared by sol-gel coating method. It is concluded that amorphous phase shows superior intercalation or deintercalation capability to crystalline phase.

Keywords

Tungsten oxide Electrochromic Intercalation Sol-gel Electrochemical Optical
Kim, C.-Y., & Park, S. (2013). Electrochromic Properties of WO3 Thin Film with Various Heat-Treatment Temperature. Asian Journal of Chemistry, 25(10), 5874–5878. https://doi.org/10.14233/ajchem.2013.OH115
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