Interface engineering of SnO2 to enhance the cycle stability of WO3 and Prussian blue for complementary electrochromic smart windows and energy storage

Sun, Xiaohui; Li, Qinggang; Liu, Nana; Wang, Bo; Zhang, Xuyang; Qian, Haining; Lv, Yongsheng; Rong, Xianhui; Wu, Guohua; Wang, Xiangwei

doi:10.1016/j.ceramint.2024.06.179

Ceramics International

2024

DOI: 10.1016/j.ceramint.2024.06.179

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Interface engineering of SnO2 to enhance the cycle stability of WO3 and Prussian blue for complementary electrochromic smart windows and energy storage

Xiaohui Sun,

Qinggang Li,

Nana Liu

et al.

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2024

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Cited by 3 publications

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Controlled assembly and synthesis of oxygen-deficient W18O49 films based on solvent molecular strategy for electrochromic energy storage smart windows

Sun,

Wu,

Liu

et al. 2024

Chemical Engineering Journal

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Controlled assembly and synthesis of oxygen-deficient W18O49 films based on solvent molecular strategy for electrochromic energy storage smart windows

Sun,

Wu,

Liu

et al. 2024

Chemical Engineering Journal

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Directly Grown Polyimide Covalent Organic Framework Films with High Electrochromic and Energy-Storage Performance

Xie,

Qiu,

et al. 2024

ACS Appl. Mater. Interfaces

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Effect of Annealing Temperature on Morphology and Electrochromic Performance of Electrodeposited WO₃ Thin Films

Morankar,

Amate,

Yewale

et al. 2024

Crystals

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The purpose of this study was to investigate the effect of annealing temperature on the structural, morphological, and electrochemical properties of tungsten trioxide (WO3) films, fabricated via electrodeposition and annealed at 50 °C, 250 °C, and 450 °C. Structural analysis using X-ray diffraction (XRD) revealed temperature-induced modifications, transitioning from amorphous to crystalline phases. Morphological studies by field emission scanning electron microscopy (FESEM) demonstrated an increase in grain size with temperature (31 nm, 48 nm, and 53 nm) and the formation of cracks at higher annealing temperatures. Electrochemical characterization showed that the WO3 film annealed at 250 °C exhibited superior redox activity, enhanced ion diffusion, and excellent reversibility. Optical studies highlighted its exceptional performance, with 79.35% optical modulation, a coloration efficiency of 97.91 cm2/C, and rapid switching times (9.8 s for coloration and 7.5 s for bleaching). Furthermore, long-term cycling tests confirmed minimal degradation after 5000 cycles, demonstrating durability. This work provides a comprehensive understanding of the annealing temperature’s impact on WO3 films and underscores the novelty of achieving optimal electrochromic (EC) performance through temperature tuning, advancing the design of energy-efficient smart materials.

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Interface engineering of SnO2 to enhance the cycle stability of WO3 and Prussian blue for complementary electrochromic smart windows and energy storage

Cited by 3 publications

References 46 publications

Controlled assembly and synthesis of oxygen-deficient W18O49 films based on solvent molecular strategy for electrochromic energy storage smart windows

Controlled assembly and synthesis of oxygen-deficient W18O49 films based on solvent molecular strategy for electrochromic energy storage smart windows

Directly Grown Polyimide Covalent Organic Framework Films with High Electrochromic and Energy-Storage Performance

Effect of Annealing Temperature on Morphology and Electrochromic Performance of Electrodeposited WO₃ Thin Films

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