Highly efficient visible-light photocatalytic performance of MOFs-derived TiO2 via heterojunction construction and oxygen vacancy engineering

被引：12
作者：
Chen, Yue [1 ]
Liu, Huan [1 ]
Hu, Liang [1 ]
Shen, Youliang [1 ]
Qiu, Lingfang [1 ]
Zhu, Liezhen [1 ]
Shi, Qianxiang [1 ]
Xu, Xun [1 ]
Li, Ping [1 ]
Duo, Shuwang [1 ]
机构：
[1] Jiangxi Sci & Technol Normal Univ, Sch Mat & Mech & Elect Engn, Jiangxi Key Lab Surface Engn, Nanchang 330013, Jiangxi, Peoples R China
来源：
CHEMICAL PHYSICS LETTERS | 2023年 / 815卷
关键词：
TiO2; Metal-organic frameworks; Heterojunction; Oxygen vacancy; HYDROGEN-PRODUCTION; BLACK TIO2; DRIVEN; HETEROSTRUCTURE; NANOSHEETS; COMPOSITE; OXIDATION;
D O I：
10.1016/j.cplett.2023.140365
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Novel Z-scheme ZnIn2S4/TiO2-x photocatalyst was successfully fabricated through self-sacrificing template -chemical bath deposition combined with a NaBH4 reduction method for the first time. It was found that ZnIn2S4/ TiO2-x exhibited high-efficient visible-light photocatalytic RhB degradation of 91 % within 40 min, which was almost 45.5, 1.2, and 6.1 times better than that of TiO2, ZnIn2S4/TiO2, and TiO2-x, respectively. Moreover, an obscure change in catalytic activity can be observed after five recycles. The excellent photocatalytic performance can be attributed to the synergistic effect of Ov, ZnIn2S4, and MOF-derived TiO2, which extend the visible-light photoresponse range and promote the separation of photo-generated charge carriers.
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页数：8
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