Folding-induced exciton coupling in homo- and heterodimers of merocyanine dyes

David Bialas; Eva Kirchner; Frank Würthner

doi:10.1039/c6cc00221h

Folding-induced exciton coupling in homo- and heterodimers of merocyanine dyes

David Bialas, Eva Kirchner, Frank Würthner

School of Science (Behrend)

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

Two identical or different merocyanine dyes were tethered by a rigid diphenylacetylene spacer unit that enables the folding of the two dyes into co-facially π-stacked structures in solvents of low polarity. Whilst the solvent-dependent absorption spectra of homodimers of identical dyes are easily interpreted as H-aggregates by exciton theory, the spectra of the heterodimers constitute a novel and more interesting case.

Original language	English (US)
Pages (from-to)	3777-3780
Number of pages	4
Journal	Chemical Communications
Volume	52
Issue number	19
DOIs	https://doi.org/10.1039/c6cc00221h
State	Published - 2016

All Science Journal Classification (ASJC) codes

Catalysis
Electronic, Optical and Magnetic Materials
Ceramics and Composites
General Chemistry
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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abstract = "Two identical or different merocyanine dyes were tethered by a rigid diphenylacetylene spacer unit that enables the folding of the two dyes into co-facially π-stacked structures in solvents of low polarity. Whilst the solvent-dependent absorption spectra of homodimers of identical dyes are easily interpreted as H-aggregates by exciton theory, the spectra of the heterodimers constitute a novel and more interesting case.",

author = "David Bialas and Eva Kirchner and Frank W{\"u}rthner",

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AU - Bialas, David

AU - Kirchner, Eva

AU - Würthner, Frank

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PY - 2016

Y1 - 2016

N2 - Two identical or different merocyanine dyes were tethered by a rigid diphenylacetylene spacer unit that enables the folding of the two dyes into co-facially π-stacked structures in solvents of low polarity. Whilst the solvent-dependent absorption spectra of homodimers of identical dyes are easily interpreted as H-aggregates by exciton theory, the spectra of the heterodimers constitute a novel and more interesting case.

AB - Two identical or different merocyanine dyes were tethered by a rigid diphenylacetylene spacer unit that enables the folding of the two dyes into co-facially π-stacked structures in solvents of low polarity. Whilst the solvent-dependent absorption spectra of homodimers of identical dyes are easily interpreted as H-aggregates by exciton theory, the spectra of the heterodimers constitute a novel and more interesting case.

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Folding-induced exciton coupling in homo- and heterodimers of merocyanine dyes

Abstract

All Science Journal Classification (ASJC) codes

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