Electrochromic performance of Zn-Ti-O composite thin film with electrolyte dependence |
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| Authors: | Ji Shi Rensong Guo Shengwen Yu |
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| Affiliation: | 1.School of Materials Science and Engineering,Shanghai University,Shanghai,China;2.Shanghai Jiao Tong University,Shanghai,China;3.Institute of Smart Materials and Applied Technology,Shanghai University,Shanghai,China |
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| Abstract: | Zn-Ti-O composite thin film prepared on FTO by sol-gel technique is discovered presenting electrochromic behavior in electrolytes with Li+ ion (LiClO4) and K+ (KCl) as well. The observed EC colored/bleached switching is electrolyte dependent which is blue-green/transparent in LiClO4 and gray-blue/transparent in KCl, respectively. Accordantly, the respective most optical modulation (ΔT) between colored and bleached states is ~?32% (710 nm) in LiClO4 and ~?37% (600 nm) in KCl. The finding of appreciable steady EC durability with appealing visual optical contrast (ΔT) in conventionally fabricated Zn-Ti-O thin film using with bigger/heavier K+ electrolyte helps expanding the applicable components in EC device. |
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