Recent Progress, Challenges, and Prospects in Two-Dimensional Photo-Catalyst Materials and Environmental Remediation
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40820_2020_Article_504.pdf
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Author(s)
Khan, Karim
Tareen, Ayesha Khan
Aslam, Muhammad
Sagar, Rizwan Ur Rehman
Zhang, Bin
Huang, Weichun
Mahmood, Asif
Mahmood, Nasir
Khan, Kishwar
Zhang, Han
Date Issued
August 2020
Journal
Nano-Micro Letters
Publisher
Springer Science and Business Media LLC
Citation
Khan, Karim et al. "Recent Progress, Challenges, and Prospects in Two-Dimensional Photo-Catalyst Materials and Environmental Remediation." Nano-Micro Letters 12, 1 (August 2020): 167. © 2020 The Author(s)
Version
Final published version
Abstract
The successful photo-catalyst library gives significant information on feature that affects photo-catalytic performance and proposes new materials. Competency is considerably significant to form multi-functional photo-catalysts with flexible characteristics. Since recently, two-dimensional materials (2DMs) gained much attention from researchers, due to their unique thickness-dependent uses, mainly for photo-catalytic, outstanding chemical and physical properties. Photo-catalytic water splitting and hydrogen (H₂) evolution by plentiful compounds as electron (e⁻) donors is estimated to participate in constructing clean method for solar H₂-formation. Heterogeneous photo-catalysis received much research attention caused by their applications to tackle numerous energy and environmental issues. This broad review explains progress regarding 2DMs, significance in structure, and catalytic results. We will discuss in detail current progresses of approaches for adjusting 2DMs-based photo-catalysts to assess their photo-activity including doping, hetero-structure scheme, and functional formation assembly. Suggested plans, e.g., doping and sensitization of semiconducting 2DMs, increasing electrical conductance, improving catalytic active sites, strengthening interface coupling in semiconductors (SCs) 2DMs, forming nano-structures, building multi-junction nano-composites, increasing photo-stability of SCs, and using combined results of adapted approaches, are summed up. Hence, to further improve 2DMs photo-catalyst properties, hetero-structure design-based 2DMs’ photo-catalyst basic mechanism is also reviewed.
MIT Department
Massachusetts Institute of Technology. Research Laboratory of Electronics
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DOI of Published Version
https://doi.org/10.1007/s40820-020-00504-3
