Z型异质结复合薄膜UIO-66-NH2/Ag/Ag3PO4/Ni的可见光催化性能及机理

doi:10.11896/cldb.24030178

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Abstract The design and synthesis of highly efficient photocatalysts require precise regulation of reaction sites, rapid migration of photo induced car-riers, and strong absorption of visible light. UIO-66-NH₂/Ag/Ag₃PO₄/Ni composite thin film was prepared by a constant current electrodeposition method. The electronic band structure of UIO-66-NH₂ and Ag₃PO₄ matched well. At the same time, nano Ag acted as the separation center of photogenerated charge carriers, forming a Z-scheme photocatalytic system consisting of Ag₃PO₄, Ag and UIO-66-NH₂, which effectively separated photogenerated electron hole pairs and retained strong oxidation-reduction active sites. Therefore, UIO-66-NH₂/Ag/Ag₃PO₄/Ni composite thin film has excellent photocatalytic performance under visible light. In addition, the photoelectrochemical test results indicated that the UIO-66-NH₂/Ag/Ag₃PO₄/Ni composite thin film had a faster carrier separation rate and a lower catalytic reduction reaction barrier for dissolved O₂. The results of active species experiments indicated that ·O₂^- and holes (h⁺) played a major role in the photocatalytic degradation, further confirming the Z-scheme photocatalytic degradation mechanism of the system.

Key words： UIO-66-NH₂/Ag/Ag₃PO₄/Ni composite thin film Z-scheme heterojunction constant current electrodeposition visible light photocatalysis

Published: 25 April 2025 Online: 2025-04-18

CLC number:	O643
	O614

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	Articles by authors
	ZHAO Di
	LIU Hongyan
	WANG Shujun
	SUN Xinyu
	ZHANG Zixuan
	QI Xueyu
	LIU Zifan

Cite this article:

ZHAO Di,LIU Hongyan,WANG Shujun, et al. Photocatalytic Performance and Mechanism of Z-scheme Composite Thin Films UIO-66-NH₂/Ag/Ag₃PO₄/Ni Under Visible Light Irradiation[J]. Materials Reports, 2025, 39(8): 24030178-6.

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https://www.mater-rep.com/EN/10.11896/cldb.24030178 OR https://www.mater-rep.com/EN/Y2025/V39/I8/24030178

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