Construction of a direct Z-scheme InVO4/La2Ti2O7 photocatalyst toward efficient and selective CO2 reduction to CO

被引：12

作者：

Xiao, Lujiang ^{[1
]}

Lin, Lichao ^{[1
]}

Song, Jia ^{[1
]}

Zhang, Zizhong ^{[1
]}

Wang, Xuxu ^{[1
]}

Su, Wenyue ^{[1
]}

机构：

[1] Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350116, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2023年 / 935卷

基金：

中国国家自然科学基金;

关键词：

Selectivity; Direct Z-Scheme; PhotocatalyticCO2; reduction; LIGHT; HETEROJUNCTION; OXIDATION;

D O I：

10.1016/j.jallcom.2022.168086

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：

Using solar-powered photocatalytic technology to convert CO2 to high value-added chemical products is a hopeful strategy to solve the energy and environmental problems of modern society. Herein, a direct Z-scheme InVO4/La2Ti2O7 photocatalyst is successfully synthesized, achieving efficient and selective CO2 re-duction to CO with nearly 100 % CO selectivity, and the CO yield is 4.2 and 3.3 times that of individual La2Ti2O7 and InVO4, respectively. The significantly enhanced photocatalytic performance is owing to the formation of Z-scheme charge transfer mechanism, fostering the spatial separation and transfer of pho-togenerated carriers. This work provides new perspectives for the rational design of La2Ti2O7-based pho-tocatalytic materials toward efficient and selective CO2 reduction to CO. (c) 2022 Elsevier B.V. All rights reserved.

引用

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