Strategies and reaction systems for solar-driven CO2 reduction by water

Solar driven CO 2 conversion into high-value-added chemicals and energy-rich fuels is one of the promising strategies to tackle global warming and to address the energy-supply crisis. Even though enormous effort has been devoted to exploring all sorts of homogeneous and heterogeneous photocatalysts,...

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Bibliographic Details
Published in:Carbon Neutrality (Online) 2022-12, Vol.1 (1), Article 5
Main Authors: Bian, Ji, Zhang, Ziqing, Liu, Ye, Chen, Enqi, Tang, Junwang, Jing, Liqiang
Format: Article
Language:English
Subjects:
Adsorption
Alternative energy sources
Carbon dioxide
Catalysts
Climate Change
Current efficiency
Energy
Energy consumption
Environmental Science and Engineering
Fossil fuels
Global warming
Light
Oxidation
Photocatalysis
Photoreduction
Photovoltaic cells
Reaction kinetics
Reduction
Review
Selectivity
Semiconductors
Solar energy
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Summary:Solar driven CO 2 conversion into high-value-added chemicals and energy-rich fuels is one of the promising strategies to tackle global warming and to address the energy-supply crisis. Even though enormous effort has been devoted to exploring all sorts of homogeneous and heterogeneous photocatalysts, the current efficiency and more importantly selectivity to valuable chemicals are still rather moderate, thus it is desired to develop high-efficiency photocatalytic system toward CO 2 reduction with excellent selectivity. In this review, fundamental aspects of photocatalytic CO 2 reduction by pure water, the reaction systems and the reliable method for detection of the products are firstly described. Thereafter the recent advances of the main strategy for improving the photocatalytic CO 2 reduction from the perspective of promoting the CO 2 adsorption and activation, accelerating the kinetics of water oxidation, and modulating charge separation are overviewed. The prospects and challenges on precise designing heterogeneous catalysts for CO 2 photoreduction are proposed at the end, indicating the significance for the further development of photocatalytic systems with high CO 2 conversion efficiency and product selectivity.
ISSN:2731-3948
2731-3948
DOI:10.1007/s43979-022-00006-8