Photocatalytic CO2 Reduction: Conventional and Framework Materials for CO2 Capture and Conversion Into Value-Added Chemicals/Fuel
CO2 capture and conversion via photocatalytic CO2 reduction has a vast potential to simultaneously extenuate energy shortages and climate change, facing the global populace. However, the crucial product selectivity of CO2 reduction highly depends on several key factors, including the choice of reduc...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2025-01-01
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| Series: | International Journal of Chemical Engineering |
| Online Access: | http://dx.doi.org/10.1155/ijce/9949292 |
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| Summary: | CO2 capture and conversion via photocatalytic CO2 reduction has a vast potential to simultaneously extenuate energy shortages and climate change, facing the global populace. However, the crucial product selectivity of CO2 reduction highly depends on several key factors, including the choice of reducing agents, photocatalysts and the reaction medium. Notably, gas-phase systems of photocatalytic CO2 reduction, CH4 or CO, are poised as the major products when gaseous H2 and water vapour are utilized as the reducing agents, compared to the formation of CH3OH, HCOOH or HCHO, resulting from the cost-effective use of water in the liquid-phase photocatalytic CO2 reduction system. Additionally, modified photocatalysts have a higher rate of photocatalytic CO2 reduction into commercially desirable value-added products. Unlike conventional materials, framework materials exhibit a highly adjustable structure, surface area and controllable pore size distribution, which paves the way for the synthesis of materials with specific chemical functionalities and pore sizes for targeted applications. This review provides a comprehensive recount of how reaction conditions and modification of conventional and framework materials influence product selectivity and yield in capturing and converting CO2 to value-added products. |
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| ISSN: | 1687-8078 |