Effects of electronic delocalization on intramolecular proton transfer |
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| Authors: | Richard M Tarkka Samson A Jenekhe |
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| Institution: | Department of Chemical Engineering and Center for Photoinduced Charge Transfer, University of Rochester, Rochester, NY 14627-0166, USA |
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| Abstract: | The effects of molecular size, conjugation length, and competition with excimer formation on excited state intramolecular proton transfer (ESIPT) in conjugated polymers, in which the intramolecularly hydrogen-bonded moieties reside in the main chain, were examined. A large extent of π-electron delocalization is found to inhibit the ESIPT process. Excimer formation is found to be competitive with ESIPT in the polymers studied, whereas molecular size does not inhibit ESIPT. |
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