Journal
JOURNAL OF ENVIRONMENTAL MANAGEMENT
Volume 313, Issue -, Pages -Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jenvman.2022.114916
Keywords
Photocatalytic reduction; Carbon dioxide; Metal-based 2D nanomaterials; Solar fuels
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Artificially simulated photosynthesis has attracted great interest in increasing solar fuel efficiencies, and layered inorganic 2D nanosheets offer higher tunability. However, the applications of metal-based materials in photocatalytic CO2 reduction are still limited.
Artificially simulated photosynthesis has created substantial curiosity as the majority of efforts in this arena have been aimed to upsurge solar fuel efficiencies for commercialization. The layered inorganic 2D nanosheets offer considerably higher tunability of their chemical surface, physicochemical properties and catalytic activity. Despites the intrinsic advantages of such metal-based materials viz., metal oxides, transition metal dichalcogenides, metal oxyhalides, metal organic frameworks, layered double hydroxide, MXene's, boron nitride, black phosphorous and perovskites, studies on such systems are limited for applications in photocatalytic CO2 reduction. The role of metal-based layers for CO2 conversion and new strategies such as surface modifications, defect generation and heterojunctions to optimize their functionalities are discussed in this review. Research prospects and technical challenges for future developments of layered 2D metal-based nanomaterials are critically discussed.
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