Step-scheme photocatalysts: promising hybrid nanomaterials for optimum conversion of CO2
The appealing prospect of photocatalysts as an environmentally friendly method for converting atmospheric CO2 into value-added products is undeniable, and scientists are working hard to further enhance their performance. This review outlines the most recent developments in the synthesis, character...
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Main Authors: | , , , , , , , , , |
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Format: | Article |
Language: | English English |
Published: |
Elsevier
2023
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Subjects: | |
Online Access: | http://irep.iium.edu.my/107168/1/107168_Step-scheme%20photocatalysts.pdf http://irep.iium.edu.my/107168/7/107168_Step-scheme%20photocatalysts_SCOPUS.pdf http://irep.iium.edu.my/107168/ https://www.sciencedirect.com/science/article/abs/pii/S1748013223002554 |
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Summary: | The appealing prospect of photocatalysts as an environmentally friendly method for converting atmospheric CO2
into value-added products is undeniable, and scientists are working hard to further enhance their performance.
This review outlines the most recent developments in the synthesis, characterization, computational insights, and
emerging application of Step-scheme (S-scheme) photocatalysts in CO2 transformation into value added products. The review begins with a survey of different generations of heterojunctions and the challenges associated
with each heterojunction generation. S-scheme heterojunctions are therefore suggested as a solution to the
drawbacks of type-II and Z-scheme family heterojunctions, and the underlying reaction mechanism of S-scheme
is critically outlined. The different synthesis approaches for the design of S-scheme heterojunctions are discussed.
Following this, direct characterization techniques and emerging computational methods to identify the charge
transfer mechanism in S-scheme heterojunctions are presented. Furthermore, emerging applications of S-scheme
photocatalysts in CO2 transformation into value-added products are critically surveyed from recent literature.
Finally, the current challenges and prospects of the S-scheme heterojunction photocatalyst are discussed. |
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