Twisting and bending photo-excited phenylethynylbenzenes: a theoretical analysis

Oligo(phenylethynyl)benzenes are a family of compounds that exhibit a rich photochemistry changing dramatically with different orientation of a phenyl group in the molecule. Quantum-chemical calculations have been performed to investigate different members of this family of compounds and compared to...

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Bibliographic Details
Main Authors: Hodecker, Manuel (Author) , Bunz, Uwe H. F. (Author) , Dreuw, Andreas (Author)
Format: Article (Journal)
Language:English
Published: 24 Apr 2020
In: Physical chemistry, chemical physics
Year: 2020, Volume: 22, Issue: 18, Pages: 9974-9981
ISSN:1463-9084
DOI:10.1039/D0CP01662D
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1039/D0CP01662D
Verlag, lizenzpflichtig, Volltext: https://pubs.rsc.org/en/content/articlelanding/2020/cp/d0cp01662d
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Author Notes:Manuel Hodecker, Alexis M. Driscoll, Uwe H.F. Bunz and Andreas Dreuw
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Summary:Oligo(phenylethynyl)benzenes are a family of compounds that exhibit a rich photochemistry changing dramatically with different orientation of a phenyl group in the molecule. Quantum-chemical calculations have been performed to investigate different members of this family of compounds and compared to previous experimental and theoretical studies. 1,4-Bis(phenylethynyl)benzene (BPEB) has different optical properties than its smaller relative diphenylacetylene; however, upon twisting an outer phenyl ring of BPEB, its photochemistry becomes very similar. Fluorine substituents at the central benzene ring are shown to have only small effects on the optical properties of BPEB.
Item Description:Gesehen am 22.07.2020
Physical Description:Online Resource
ISSN:1463-9084
DOI:10.1039/D0CP01662D