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Enhanced electrochromic and energy storage performance in mesoporous WO3 film and its application in bi-functional smart window

Abstract

Construction of multifunctional photoelectrochemical energy device is of great importance to energy saving. In this work, we have successfully prepared a mesoporous WO3 film on FTO glass via a facile dip-coating sol-gel method. Positive advantages including high transparency, good adhesion and high porosity are realized in the designed mesoporous WO3 film. Multifunctional integrated energy storage and optical modulation ability are simultaneously achieved by mesoporous WO3 film. Impressively, the mesoporous WO3 film exhibits a noticeable electrochromic energy storage performance with a large optical modulation up to 75.6% at 633 nm, accompanied by an energy storage with a specific capacity of 75.3 mA h g1. Furthermore, the full electrochromic energy storage window assembled with mesoporous WO3 anode and PANI nanoparticles cathode is demonstrated with large optical modulation and good long-term stability. Our research provides a new route to realize the coincident utilization of optical-electrochemical energy.

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Publication details

The article was received on 28 Jan 2018, accepted on 04 Apr 2018 and first published on 05 Apr 2018


Article type: Paper
DOI: 10.1039/C8NR00790J
Citation: Nanoscale, 2018, Accepted Manuscript
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    Enhanced electrochromic and energy storage performance in mesoporous WO3 film and its application in bi-functional smart window

    W. Wang, X. Wang, X. Xia, Z. Yao, Y. Zhong and J. Tu, Nanoscale, 2018, Accepted Manuscript , DOI: 10.1039/C8NR00790J

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