Author:
Mena-Osteritz Elena,Zhang Fan,Götz Günther,Reineker Peter,Bäuerle Peter
Abstract
Optical properties of two series of fully conjugated cyclo[n]thiophenes were analyzed experimentally and theoretically. The absorption spectra reveal a shift to higher wavelengths with increasing size of the cycles, which can be successfully described by an excitonic approach based on a Frenkel exciton Hamiltonian. Furthermore, intriguing new bands in the absorption and fluorescence spectra of the smaller macrocycles disclose the dominance of their ring strain.
Subject
Electrical and Electronic Engineering,General Physics and Astronomy,General Materials Science
Cited by
30 articles.
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