Strategy in Promoting Visible Light Absorption, Charge Separation, CO2 Adsorption and Proton Production for Efficient Photocatalytic CO2 Reduction with H2O

Solar‐energy‐driven photocatalytic CO2 reduction by H2O to high‐valuable carbon‐containing chemicals has become one of the greatest concerns in both scientific and industrial communities, due to its potential in solving energy and environmental problems. However, efficiency of photocatalytic CO2 red...

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Published in:Chemistry, an Asian journal an Asian journal, 2024-11, Vol.19 (22), p.e202400781-n/a
Main Authors: Zou, Jia‐Fu, Li, Sha, Liu, Peng, Zhao, Yiyi, Wang, Tingwei, Pan, Yun‐Xiang, Yan, Xiaoliang
Format: Article
Language:English
Subjects:
Adsorption
Carbon dioxide
Charge separation
CO2 adsorption
Electromagnetic absorption
Photocatalysis
Photocatalysts
Photocatalytic CO2 reduction
Proton
Protons
Separation
Visible light absorption
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Summary:Solar‐energy‐driven photocatalytic CO2 reduction by H2O to high‐valuable carbon‐containing chemicals has become one of the greatest concerns in both scientific and industrial communities, due to its potential in solving energy and environmental problems. However, efficiency of photocatalytic CO2 reduction by H2O is still far below the needs of large‐scale applications. The reduction efficiency is closely related to ability of photocatalysts in absorbing visible light which is the main part of sunlight (44 %), separating photogenerated electron‐hole pairs, adsorbing CO2 and producing protons for reducing CO2. Thus, photocatalysts with enhanced visible light absorption, electron‐hole separation, CO2 adsorption and proton production are highly desired. Herein, we aim to provide a picture of recent progresses in improving ability of photocatalysts in visible light absorption, electron‐hole separation, CO2 adsorption and proton production, and give an outlook for future researches associated with photocatalytic CO2 reduction by H2O. This article reviews the research progress in improving CO2 adsorption and proton generation to enhance photocatalytic CO2 reduction efficiency in recent years. Additionally, it discusses future research opportunities and challenges. The aim of this review is to provide a deeper understanding of visible light absorption, charge separation, CO2 adsorption and proton production for efficient photocatalytic CO2 reduction with H2O.
ISSN:1861-4728
1861-471X
1861-471X
DOI:10.1002/asia.202400781