High electrochromic performance of co-sputtered vanadium–titanium oxide as a counter electrode |
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Authors: | Ju Wan Lim Sung Jong Yoo Sun Ha Park Seong Uk Yun Yung-Eun Sung |
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Affiliation: | aSchool of Chemical and Biological Engineering, Seoul National University, San 56-1, Silim-dong, Gwanak-gu, Seoul, Republic of Korea |
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Abstract: | This study examined the material and electrochromic properties of vanadium–titanium oxides (V–Ti oxides) as a counter electrode material in electrochromic devices. These oxides were deposited on an ITO substrate using a co-sputtering method at different levels of RF power. Electrochemical experiments of these oxides were carried out using half-cell and semi full-cell tests which are good methods for measuring the potential applied to each electrode. The change in electrochromic properties after 1000 cycles of a semi full-cell test was examined. Reversibility and durability of an electrochromic device were improved by increasing the titanium content in V–Ti oxides. |
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Keywords: | Vanadium oxide Vanadium– titanium oxide Electrochromism Counter electrode Electrode potential |
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