A Time-Resolved Spectroscopic Investigation of a Novel BODIPY Copolymer and Its Potential Use as a Photosensitiser for Hydrogen Evolution.
BODIPY polymer
TAS
TRIR
hydrogen
photocatalytic
time-resolved spectroscopy
Journal
Frontiers in chemistry
ISSN: 2296-2646
Titre abrégé: Front Chem
Pays: Switzerland
ID NLM: 101627988
Informations de publication
Date de publication:
2020
2020
Historique:
received:
22
07
2020
accepted:
15
09
2020
entrez:
16
11
2020
pubmed:
17
11
2020
medline:
17
11
2020
Statut:
epublish
Résumé
A novel 4,4-difuoro-4-bora-3a,4a-diaza-s-indacene (BODIPY) copolymer with diethynylbenzene has been synthesised, and its ability to act as a photosensitiser for the photocatalytic generation of hydrogen was investigated by time-resolved spectroscopic techniques spanning the ps- to ns-timescales. Both transient absorption and time-resolved infrared spectroscopy were used to probe the excited state dynamics of this photosensitising unit in a variety of solvents. These studies indicated how environmental factors can influence the photophysics of the BODIPY polymer. A homogeneous photocatalytic hydrogen evolution system has been developed using the BODIPY copolymer and cobaloxime which provides hydrogen evolution rates of 319 μmol h
Identifiants
pubmed: 33195076
doi: 10.3389/fchem.2020.584060
pmc: PMC7604388
doi:
Types de publication
Journal Article
Langues
eng
Pagination
584060Informations de copyright
Copyright © 2020 Cullen, Heintz, O'Reilly, Long, Heise, Murphy, Karlsson, Gibson, Greetham, Towrie and Pryce.
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