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Paper
Photochem. Photobiol. Sci., 2007, 6, 853 - 856, DOI: 10.1039/b702811c
Photophysics of a dithioester RAFT polymerization agent and the acenaphthenyl model light-harvesting chromophore
Andrew D. Kitchin, Suresh Velate, Ming Chen, Kenneth P. Ghiggino, Trevor A. Smith and Ronald P. Steer
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.
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