Fast Exciton Migration in Porphyrin-Functionalized Polypeptides
The Journal of Physical Chemistry B2004Vol. 109(1), pp. 33–35
Citations Over TimeTop 12% of 2004 papers
Mamoru Fujitsuka, Michihiro Hara, Sachiko Tojo, Ayumi Okada, Vincent Troiani, Nathalie Solladié, Tetsuro Majima
Abstract
The photophysical properties of L-lysine-based polypeptides bearing porphyrin pendants were investigated. The intramolecular exciton-exciton annihilation resulting from the exciton migration among the porphyrin units deactivates the singlet excited state efficiently. It was revealed that the rate of the exciton migration depends on the polymerization degree.
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