Preparation of exposed (001) facets TiO2/Ti3C2 MXene and performance of near infrared light photodegradation

被引：10

作者：

Wang, Yong ^{[1
]}

Tan, Guoqiang ^{[1
]}

Feng, Shuaijun ^{[1
]}

Liu, Yun ^{[2
]}

Liu, Wenlong ^{[2
]}

Xia, Ao ^{[1
]}

Ren, Huijun ^{[3
]}

Lv, Long ^{[4
]}

机构：

[1] Shaanxi Univ Sci Technol, Sch Mat Sci & Engn, Shaanxi Key Lab Green Preparat & Functionalizat I, Xian 710021, Peoples R China

[2] Shaanxi Univ Sci Technol, Sch Elect Informat & Artificial Intelligence, Xian 710021, Peoples R China

[3] Shaanxi Univ Sci Technol, Sch Arts & Sci, Xian 710021, Peoples R China

[4] China Acad Space Technol, Xian 710100, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2023年 / 49卷 / 05期

基金：

中国国家自然科学基金;

关键词：

(001)TiO2/Ti3C2 MXene; Local surface plasmon resonance; Near infrared light degradation; Tetracycline; PHOTOCATALYTIC DEGRADATION; TI3C2; ADSORPTION;

D O I：

10.1016/j.ceramint.2022.10.157

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The (001)TiO2/Ti3C2 MXene heterojunction photocatalyst was prepared with the hydrothermal oxidation method by using the two-dimensional Ti3C2 MXene as the substrate. The formation of TiO2 surface hetero-junctions, Schottky junctions at the interface between (001) facets TiO2 and Ti3C2 MXene, and the local surface plasmon resonance effect of plasma Ti3C2 MXene combine together to promote the effective separation of electrons and holes after photoexcitation. After 150 min of near infrared light irradiation and sunlight irradiation, the degradation rates of tetracycline by (001)TiO2/Ti3C2 MXene photocatalyst are 28.63% and 52.74%, respectively, with near infrared light and full spectrum degradation characteristics. Our work is expected to provide a valuable reference for the design of MXene based full spectrum photocatalysts.

引用

页码：7258 / 7265

页数：8

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