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Photoinduced electron tunneling between randomly dispersed donors and acceptors in frozen glasses and other rigid media

Wenger, Oliver S.. (2013) Photoinduced electron tunneling between randomly dispersed donors and acceptors in frozen glasses and other rigid media. Physical Chemistry Chemical Physics, 15 (26). pp. 10673-10685.

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Official URL: http://edoc.unibas.ch/dok/A6146171

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Abstract

In fluid solution un-tethered donors and acceptors can diffuse freely, and consequently the donor–acceptor distance is usually not fixed on the timescale of an electron transfer event. When attempting to investigate the influence of driving-force changes or donor–acceptor distance variations on electron transfer rates this can be a problem. In rigid matrices diffusion is suppressed, and it becomes possible to investigate fixed-distance electron transfer. This method represents an attractive alternative to investigate rigid rod-like donor–bridge–acceptor molecules which have to be made in elaborate syntheses. This perspective focuses specifically on the distance dependence of photoinduced electron transfer which occurs via tunneling of charge carriers through rigid matrices over distances between 1 and 33 Å. Some key aspects of the theoretical models commonly used for analyzing kinetic data of electron tunneling through rigid matrices are recapitulated. New findings from this rather mature field of research are emphasized.
Faculties and Departments:05 Faculty of Science > Departement Chemie > Chemie > Anorganische Chemie (Wenger)
UniBasel Contributors:Wenger, Oliver
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Royal Society of Chemistry
ISSN:1463-9076
e-ISSN:1463-9084
Note:Publication type according to Uni Basel Research Database: Journal article
Language:English
Identification Number:
Last Modified:11 Jun 2018 09:44
Deposited On:19 Jul 2013 07:42

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