Singlet-Singlet, Triplet-Triplet, and “Optically-Controlled” Energy Transfer in Polychromophores. Preliminary Models for a Molecular Scale Shift Register
WG McGimpsey, WN Samaniego…
Index: McGimpsey; Samaniego; Chen; Wang Journal of Physical Chemistry A, 1998 , vol. 102, # 45 p. 8679 - 8689
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Citation Number: 29
Abstract
The photophysics of two trichromophoric molecules have been studied by a combination of absorption, fluorescence, phosphorescence, and laser flash photolysis. TRI-1 consists of phenanthrene and naphthalene terminal chromophores joined to a central biphenyl group by methyl ester bridges. Intramolecular singlet-singlet energy transfer (SSET) between the biphenyl and terminal chromophores occurs efficiently with k SSET> 6× 1010 s-1. Longer ...
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