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Title: Emergence of ligand-to-metal charge transfer in homogeneous photocatalysis and photosensitization
Authors: Li, Chenfei
Kong, Xin Ying
Tan, Zheng Hao
Yang, Crystal Ting
Soo, Han Sen
Keywords: Science::Chemistry::Physical chemistry
Science::Chemistry::Inorganic chemistry
Issue Date: 2022
Source: Li, C., Kong, X. Y., Tan, Z. H., Yang, C. T. & Soo, H. S. (2022). Emergence of ligand-to-metal charge transfer in homogeneous photocatalysis and photosensitization. Chemical Physics Reviews, 3(2), 021303-.
Project: A2083c0050
RT 05/19
Journal: Chemical Physics Reviews
Abstract: Light energy can be harnessed by photosensitizers or photocatalysts so that some chemical reactions can be carried out under milder conditions compared to the traditional heat-driven processes. To facilitate the photodriven reactions, a large variety of chromophores that operate via charge transfer excitations have been reported because of their typically longer excited-state lifetimes, which are key to the downstream photochemical processes. Although both metal-to-ligand charge transfers and ligand-to-metal charge transfers are well-established light absorption pathways, the former has been widely adopted in photocatalysis, whereas the latter has taken on greater importance in photosensitization applications only recently. In this article, we review the latest developments on ligand-to-metal charge transfer photosensitization by molecular complexes across the periodic table, with a focus on homogeneous photocatalysis and the use of photophysical measurements and computational calculations to understand the electronic structures, photochemical processes, structure-activity relationships, and reaction mechanisms. We also present our perspectives on the possible future developments in the field.
ISSN: 2688-4070
DOI: 10.1063/5.0086718
Schools: School of Physical and Mathematical Sciences 
Rights: © 2022 Author(s). All rights reserved. This paper was published by AIP Publishing in Chemical Physics Reviews and is made available with permission of Author(s).
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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