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Long-lived charge-transfer states in compact donor-acceptor dyads

Lookup NU author(s): Joost Verhoeven, Professor Andrew Benniston, Emeritus Professor Anthony Harriman

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Abstract

Photoinduced electron transfer is a widely applied method to convert photon energy into a useful (electro)chemical potential, both in nature and in artificial devices. There is a continuing effort to develop molecular systems in which the charge-transfer state, populated by photoinduced electron transfer, survives sufficiently long to tap the energy stored in it. In general this has been found to require the construction of rather complex molecular systems, but more recently a few approaches have been reported that allow the use of much more simple and relatively small electron donor-acceptor dyads for this purpose. The most successful examples of such systems seem to be those that apply "electron spin control" to slow down the spontaneous decay of the charge-transfer state, and these are reviewed in this minireview, with a discussion of the underlying principles and a critical evaluation of some of the claims made with regard to using a pronounced "inverted-region effect" as an alternative method to prolong the lifetime of charge-transfer states. © 2005 Wiley-VCH Verlag GmbH & Co. KGaA.


Publication metadata

Author(s): Verhoeven JW, Van Ramesdonk HJ, Groeneveld MM, Benniston AC, Harriman A

Publication type: Note

Publication status: Published

Journal: ChemPhysChem

Year: 2005

Volume: 6

Issue: 11

Pages: 2251-2260

ISSN (print): 1439-4235

ISSN (electronic): 1439-7641

URL: http://dx.doi.org/10.1002/cphc.200500029

DOI: 10.1002/cphc.200500029


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