Ir(III)-Naphthoquinone complex as a platform for photocatalytic activity
Journal Article
·
· Journal of Photochemistry and Photobiology
- Arizona State Univ., Tempe, AZ (United States)
- Princeton Univ., NJ (United States)
Inspired by the primary events that take place in Photosystem II (PSII), we designed and synthesized a heteroleptic Ir(III) complex featuring an attached naphthoquinone (NQ) as an electron transfer (ET) auxiliary reminiscent of the plastoquinone electron acceptor in PSII. In this design, NQ is covalently attached to the 2,2'-bipyridyl (bpy) ligand of [Ir(dF(CF3)ppy)2(bpy)][PF6], (dF(CF3)ppy = 2-(2,4-difluorophenyl)-5-(trifluoromethyl)pyridine). Following excitation of the photocatalyst ([Ir(dF(CF3)ppy)2(bpy-NQ)][PF6]), reduced NQ (NQ•–) was observed in transient absorption spectroscopy. Here, this novel catalyst has potential applications in oxidative and reductive photocatalytic processes.
- Research Organization:
- Arizona State Univ., Tempe, AZ (United States); Energy Frontier Research Centers (EFRC) (United States). Bioinspired Light-Escalated Chemistry (BioLEC); Princeton Univ., NJ (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- SC0019370
- OSTI ID:
- 1836849
- Journal Information:
- Journal of Photochemistry and Photobiology, Journal Name: Journal of Photochemistry and Photobiology Vol. 9; ISSN 2666-4690
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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