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Issue 8, 2007
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Photophysics of a dithioester RAFT polymerization agent and the acenaphthenyl model light-harvesting chromophore

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Abstract

The spectroscopic and photophysical properties of a typical dithiobenzoate reversible addition-fragmentation chain transfer (RAFT) polymerization agent alone in solution, as a quencher of electronically excited acenaphthene in solution, and in an acenaphthene donor–dithiobenzoate acceptor dichromophore have been investigated. The RAFT agent is an effective quencher of photo-excited acenaphthene. Energy wastage in the dichromophore occurs by Förster resonant electronic energy transfer from the S1 state of acenaphthene to the S2 state of the dithioester, which subsequently fragments.

Graphical abstract: Photophysics of a dithioester RAFT polymerization agent and the acenaphthenyl model light-harvesting chromophore

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Publication details

The article was received on 23 Feb 2007, accepted on 22 May 2007 and first published on 06 Jun 2007


Article type: Paper
DOI: 10.1039/B702811C
Citation: Photochem. Photobiol. Sci., 2007,6, 853-856
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    Photophysics of a dithioester RAFT polymerization agent and the acenaphthenyl model light-harvesting chromophore

    A. D. Kitchin, S. Velate, M. Chen, K. P. Ghiggino, T. A. Smith and R. P. Steer, Photochem. Photobiol. Sci., 2007, 6, 853
    DOI: 10.1039/B702811C

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