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Review
. 2020 Dec 14;59(51):22894-22915.
doi: 10.1002/anie.201914925. Epub 2020 Oct 27.

Z-Scheme Photocatalytic Systems for Carbon Dioxide Reduction: Where Are We Now?

Wenhao Zhang  1 , Abdul Rahman Mohamed  2 , Wee-Jun Ong  1   3
Affiliations
Review

Z-Scheme Photocatalytic Systems for Carbon Dioxide Reduction: Where Are We Now?

Wenhao Zhang et al. Angew Chem Int Ed Engl. .

Abstract

Transforming CO2 into fuels by utilizing sunlight is promising to synchronously overcome global warming and energy-supply issues. It is crucial to design efficient photocatalysts with intriguing features such as robust light-harvesting ability, strong redox potential, high charge-separation, and excellent durability. Hitherto, a single-component photocatalyst is incapable to simultaneously meet all these criteria. Inspired by natural photosynthesis, constructing artificial Z-scheme photocatalysts provides a facile way to conquer these bottlenecks. In this review, we firstly introduce the fundamentals of photocatalytic CO2 reduction and Z-scheme systems. Thereafter we discuss state-of-the-art Z-scheme photocatalytic CO2 reduction, whereby special attention is placed on the predominant factors that affect photoactivity. Additionally, further modifications that are important for efficient photocatalysis are reviewed.

Keywords: CO2 reduction; Z-scheme; photocatalysis; strategy-activity correlation.

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