High-Performance Electro-optical Dual-Mode Color-Changing and Energy Storage Device Based on Mo-Doped WO3 and TiO2/NiO Thin Films

Under optical and electrical control, a multifunctional electro-optical dual-control color-changing and energy storage device not only realizes fast color conversion but also achieves good energy storage performance. In this work, Mo-doped WO3 (Mo-WO3) films were prepared by a one-step hydrothermal...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1999. - 40(2024), 41 vom: 15. Okt., Seite 21780-21794
1. Verfasser: Liu, HaoRui (VerfasserIn)
Weitere Verfasser: Yang, JiKai, Liu, ChunLei, Xiang, TianZi, Zheng, LiuMengHan, Liu, GuanXu, Fang, JinYing, Mu, YiNing, Chen, WeiJun
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a Under optical and electrical control, a multifunctional electro-optical dual-control color-changing and energy storage device not only realizes fast color conversion but also achieves good energy storage performance. In this work, Mo-doped WO3 (Mo-WO3) films were prepared by a one-step hydrothermal method, among which the 2 at. % Mo-doped WO3 film has the best electrochromic and energy storage performance. Meanwhile, TiO2/NiO composite films were prepared by the hydrothermal method and electrodeposition method. The TiO2/NiO/N719 photoanode was prepared by the dip-dyeing method on the TiO2/NiO composite film. The results show that the TiO2/NiO-10s/N719 composite film has excellent photoelectric conversion and energy storage properties. Finally, choosing Mo-WO3 as the cathode and the TiO2/NiO/N719 film as the anode, a multifunctional electro-optical dual-control Mo-WO3TiO2/NiO/N719 color-changing and energy storage device was constructed. Under electrical control, it shows a fast color switching rate (the coloring/bleaching time is 4.1/2.9 s), excellent coloration efficiency (62.1 cm2/C), obviously improved area capacitance (90.4 mF/cm2), and excellent cycle stability. Under optical control, it shows a shortened optical response time (the coloring/bleaching is 70.3/158.9 s), excellent coloration efficiency (58.2 cm2/C), better area capacitance (51.1 mF/cm2), and excellent photoelectric conversion efficiency 
650 4 |a Journal Article 
700 1 |a Yang, JiKai  |e verfasserin  |4 aut 
700 1 |a Liu, ChunLei  |e verfasserin  |4 aut 
700 1 |a Xiang, TianZi  |e verfasserin  |4 aut 
700 1 |a Zheng, LiuMengHan  |e verfasserin  |4 aut 
700 1 |a Liu, GuanXu  |e verfasserin  |4 aut 
700 1 |a Fang, JinYing  |e verfasserin  |4 aut 
700 1 |a Mu, YiNing  |e verfasserin  |4 aut 
700 1 |a Chen, WeiJun  |e verfasserin  |4 aut 
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