Synthetically tuneable biomimetic artificial photosynthetic reaction centres that closely resemble the natural system in purple bacteria

Lee, SH; Blake, IM; Larsen, AG; McDonald, JA; Ohkubo, K; Fukuzumi, S; Reimers, JR; Crossley, MJ

Synthetically tuneable biomimetic artificial photosynthetic reaction centres that closely resemble the natural system in purple bacteria

Lee, SH Blake, IM Larsen, AG McDonald, JA Ohkubo, K Fukuzumi, S Reimers, JR

Crossley, MJ

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Publication Type:: Journal Article
Citation:: Chemical Science, 2016, 7 (10), pp. 6534 - 6550
Issue Date:: 2016-01-01

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Field	Value	Language
dc.contributor.author	Lee, SH	en_US
dc.contributor.author	Blake, IM	en_US
dc.contributor.author	Larsen, AG	en_US
dc.contributor.author	McDonald, JA	en_US
dc.contributor.author	Ohkubo, K	en_US
dc.contributor.author	Fukuzumi, S	en_US
dc.contributor.author	Reimers, JR https://orcid.org/0000-0001-5157-7422	en_US
dc.contributor.author	Crossley, MJ	en_US
dc.date.available	2016-06-16	en_US
dc.date.issued	2016-01-01	en_US
dc.identifier.citation	Chemical Science, 2016, 7 (10), pp. 6534 - 6550	en_US
dc.identifier.issn	2041-6520	en_US
dc.identifier.uri	http://hdl.handle.net/10453/55796
dc.description.abstract	© 2016 The Royal Society of Chemistry. Porphyrin-based photosynthetic reaction centre (PRC) mimics, ZnPQ-Q2HP-C60 and MP2Q-Q2HP-C60 (M = Zn or 2H), designed to have a similar special-pair electron donor and similar charge-separation distances, redox processes and photochemical reaction rates to those in the natural PRC from purple bacteria, have been synthesised and extensive photochemical studies performed. Mechanisms of electron-transfer reactions are fully investigated using femtosecond and nanosecond transient absorption spectroscopy. In benzonitrile, all models show picosecond-timescale charge-separations and the final singlet charge-separations with the microsecond-timescale. The established lifetimes are long compared to other processes in organic solar cells or other organic light harvesting systems. These rigid, synthetically flexible molecules provide the closest mimics to the natural PRC so far synthesised and present a future direction for the design of light harvesters with controllable absorption, redox, and kinetics properties.	en_US
dc.relation.ispartof	Chemical Science	en_US
dc.relation.isbasedon	10.1039/c6sc01076h	en_US
dc.title	Synthetically tuneable biomimetic artificial photosynthetic reaction centres that closely resemble the natural system in purple bacteria	en_US
dc.type	Journal Article
utslib.citation.volume	10	en_US
utslib.citation.volume	7	en_US
utslib.for	0306 Physical Chemistry (incl. Structural)	en_US
utslib.for	03 Chemical Sciences	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Faculty of Science/School of Mathematical and Physical Sciences
utslib.copyright.status	open_access
pubs.issue	10	en_US
pubs.publication-status	Published	en_US
pubs.volume	7	en_US

Abstract:

© 2016 The Royal Society of Chemistry. Porphyrin-based photosynthetic reaction centre (PRC) mimics, ZnPQ-Q2HP-C60 and MP2Q-Q2HP-C60 (M = Zn or 2H), designed to have a similar special-pair electron donor and similar charge-separation distances, redox processes and photochemical reaction rates to those in the natural PRC from purple bacteria, have been synthesised and extensive photochemical studies performed. Mechanisms of electron-transfer reactions are fully investigated using femtosecond and nanosecond transient absorption spectroscopy. In benzonitrile, all models show picosecond-timescale charge-separations and the final singlet charge-separations with the microsecond-timescale. The established lifetimes are long compared to other processes in organic solar cells or other organic light harvesting systems. These rigid, synthetically flexible molecules provide the closest mimics to the natural PRC so far synthesised and present a future direction for the design of light harvesters with controllable absorption, redox, and kinetics properties.

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http://hdl.handle.net/10453/55796