Chemical Physics Letters, volume 355, issue 1-2, pages 65-70

Intramolecular excimer and exciplex emission of 1,4-dipyrenyl substituted cyclohexasilane

Publication typeJournal Article
Publication date2002-03-01
scimago Q2
wos Q1
SJR0.502
CiteScore5.7
Impact factor2.8
ISSN00092614, 18734448
Physical and Theoretical Chemistry
General Physics and Astronomy
Abstract
Intramolecular excimer emission is observed for cis-1,4-di(1-pyrenyl)decamethylcyclohexasilane in nonpolar solvents. Time-resolved fluorescence spectroscopy and kinetic modelling indicate that the driving force of excimer formation is very small, and that the process is governed by the flexibility of the silicon ring. In the polar solvent acetonitrile, photoinduced electron transfer occurs, with the cyclohexasilane ring acting as electron donor and the pyrenyl group as electron acceptor. 2002 Elsevier Science B.V. All rights reserved.

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