Recent advances in g-C3N4 composites within four types of heterojunctions for photocatalytic CO2 reduction

Studies of photocatalytic conversion of CO2 into hydrocarbon fuels, as a promising solution to alleviate global warming and energy issues, are booming in recent years. Researchers have focused their interest in developing g-C3N4 composite photocatalysts with intriguing features of robust light harve...

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Bibliographic Details
Published in:Nanoscale 2021-04, Vol.13 (14), p.6692-6712
Main Authors: Meidan Que, Cai, Weihua, Chen, Jin, Zhu, Liangliang, Yang, Yawei
Format: Article
Language:English
Subjects:
Carbon dioxide
Carbon nitride
Composite materials
Heterojunctions
Hydrocarbon fuels
Photocatalysis
Photocatalysts
Reduction
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Summary:Studies of photocatalytic conversion of CO2 into hydrocarbon fuels, as a promising solution to alleviate global warming and energy issues, are booming in recent years. Researchers have focused their interest in developing g-C3N4 composite photocatalysts with intriguing features of robust light harvesting ability, excellent catalysis, and stable performance. Four types of heterojunctions (type-II, Z-scheme, S-scheme and Schottky) of the g-C3N4 composites are widely adopted. This review aims at presenting and comparing the photocatalytic mechanisms, characteristics, and performances of g-C3N4 composites concerning these four types of heterojunctions. Besides, perspectives and undergoing efforts for further development of g-C3N4 composite photocatalysts are discussed. This review would be helpful for researchers to gain a comprehensive understanding of the progress and future development trends of g-C3N4 composite heterojunctions for photocatalytic CO2 reduction.
ISSN:2040-3364
2040-3372
DOI:10.1039/d0nr09177d