CuxO/Bi/Bi2WO6/BiOCl光热催化降解甲苯

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Abstract Type II and Z scheme complex heterojunction Cu_xO/Bi/Bi₂WO₆/BiOCl with tight interfaces was synthesized. Based on the surface plasmon resonance effect of the component Bi nanoparticles, unique photogenerated charge transfer and separation route, and suitable redox potential for active oxygen species production, Cu_xO/Bi/Bi₂WO₆/BiOCl exhibited wide light response range, strong light absorption, and efficient photogenerated charge separation and active oxygen species production properties. Multicomponent complex heterojunction Cu_xO/Bi/Bi₂WO₆/BiOCl demonstrated excellent photothermal synergistic catalytic toluene degradation performance. Under 90℃ coupling light (300mW/cm², λ=200~2500nm) irradiation, 0.0005% of toluene was completely mineralized on Cu_xO/Bi/Bi₂WO₆/BiOCl in 0.5h, ranging among the best performance of the reported photothermal catalysts under similar conditions.

Key words： VOCs Type II heterojunction Type Z heterojunction photothermal synergistic catalysis charges transport

Received: 24 October 2022

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X511

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	Articles by authors
	FANG Hong-li
	CHEN Jia-yi
	ZENG Wen-jing
	WU Su-qin
	ZHANG Miao-miao
	YUAN Shao-tang
	RUI Ze-bao

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FANG Hong-li,CHEN Jia-yi,ZENG Wen-jing等. Photothermal catalytic degradation of toluene by Cu_xO/Bi/Bi₂WO₆/BiOCl[J]. CHINA ENVIRONMENTAL SCIENCECE, 2023, 43(6): 2788-2797.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2023/V43/I6/2788

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