Metal-organic framework as a photocatalyst: Progress in modulation strategies and environmental/energy applications
- Authors
- Younis, Sherif A.; Kwon, Eilhann E.; Qasim, Muhammad; Kim, Ki-Hyun; Kim, Taejin; Kukkar, Deepak; Dou, Xiaomin; Ali, Imran
- Issue Date
- Nov-2020
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Metal-organic frameworks (MOFs); Electronic/optical behaviors; Computational analysis; Modulation photosensitization; Environmental/energy photocatalysis; Kinetic/thermodynamic stability
- Citation
- PROGRESS IN ENERGY AND COMBUSTION SCIENCE, v.81, pp.1 - 49
- Indexed
- SCIE
SCOPUS
- Journal Title
- PROGRESS IN ENERGY AND COMBUSTION SCIENCE
- Volume
- 81
- Start Page
- 1
- End Page
- 49
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/8816
- DOI
- 10.1016/j.pecs.2020.100870
- ISSN
- 0360-1285
- Abstract
- Progress in the design, synthesis, and modification of metal-organic frameworks (MOFs) has immensely helped expand their applications in a wide variety of research fields. Such developments offered great opportunities for upgrading their efficiencies in diverse photocatalytic applications (e.g., N-2/CO2 reduction, H-2 generation, organic synthesis, and environmental remediation) through enhanced conversion/storage of solar energy. The MOF-based photocatalytic platforms are, nonetheless, subject to many practical problems (e.g., inapplicability for industrial upscaling and thermodynamic instability under environmental conditions). In this review, the effects of synthesis/modification strategies on MOF photocatalysis have been discussed with respect to the type of inorganic nodes, the modulation of organic ligands, and the pre-/post-synthesis modification in MOF networks (i.e., MOF-based composite). Particular emphasis was placed on the technical advances achieved in the photoelectronic/catalytic performances of MOFs in multiple energy/environmental (redox) reactions based on both experimental and theoritical analyses. Further, the technical merits/disadvantages of MOF photocatalysts (in terms of structural defects, light absorption, active sites, and kinetic/thermodynamic stability) have been evaluated in relation to quantum efficiency and charge transfer mechanisms in various photo-redox reactions. The pursuit of strategies for enhanced kinetic stability of MOFs have also been highlighted based on the nature/strength of coordination modes, the inertness of metal centers, and the functionality of ligand types. Lastly, the current limitations of MOF-based photocatalysts are addressed with respect to their practical applications at industrial scales along with a discussion on their future use.
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