Exciton coupling of merocyanine dyes from H-to J-type in the solid state by crystal engineering

A Liess, A Lv, A Arjona-Esteban, D Bialas… - Nano …, 2017 - ACS Publications
… In this regard, merocyanine dyes usually pack in H-coupled antiparallel arrangements …
coupling have been rarely reported. Here we show that for three highly dipolar merocyanine dyes, …

Structural and quantum chemical analysis of exciton coupling in homo-and heteroaggregate stacks of merocyanines

D Bialas, A Zitzler-Kunkel, E Kirchner, D Schmidt… - Nature …, 2016 - nature.com
dyes in (opto-)electronic and photovoltaic devices. Here we show that strong exciton coupling
is not … Quadruple dye stacks were obtained from two bis(merocyanine) dyes with same or …

Unraveling the structure and exciton coupling for multichromophoric merocyanine dye molecules

F Koch, M Stolte, A Zitzler-Kunkel, D Bialas… - Physical Chemistry …, 2017 - pubs.rsc.org
… of highly dipolar merocyanine dyes that are systematically … (DFT) as well as exciton theory
discloses conformational … dipole moments of the merocyanine dyes by pointing preferably in …

Bis (merocyanine) Hetero‐Folda‐Dimers: Evaluation of Exciton Coupling between Different Types of π‐Stacked Chromphores

E Kirchner, D Bialas, F Würthner - Chemistry–A European …, 2019 - Wiley Online Library
… In the following, in continuation of our recently communicated research on the hetero-merocyanine
dye folda-dimer RB23 we will investigate the optical properties of the series of bis(…

Exciton and charge-transfer interactions in nonconjugated merocyanine dye dimers: novel solvatochromic behavior for tethered bichromophores and excimers

L Lu, RJ Lachicotte, TL Penner, J Perlstein… - Journal of the …, 1999 - ACS Publications
excitonic coupling between the two merocyanine units. The finding that dimer-2 exhibits
dual fluorescence in solvents of moderate to high polarity is consistent with a folded form of the …

Chiral exciton coupling of merocyanine dyes within a well defined hydrogen-bonded assembly

LJ Prins, C Thalacker, F Würthner… - Proceedings of the …, 2001 - National Acad Sciences
… In summary, we have shown that six merocyanine chromophores can be arranged in a …
As a result of dipole–dipole interactions between the chromophores, excitonic coupling is …

Ultranarrow bandwidth organic photodiodes by exchange narrowing in merocyanine H‐and J‐aggregate excitonic systems

A Liess, A Arjona‐Esteban, A Kudzus… - Advanced Functional …, 2019 - Wiley Online Library
… Combining these functional properties of exciton coupling and … First, we show how a series
of nine merocyanine dyes with … photodiodes, where the merocyanine dyes in the solid state …

Essential states model for merocyanine dye stacks: bridging electronic and optical absorption properties

D Bialas, C Zhong, F Wurthner… - The Journal of Physical …, 2019 - ACS Publications
… double stack results from vibronic coupling, whereas the … exciton theory. These insights are
of significant importance for the proper design of functional materials based on merocyanines

Defined merocyanine dye stacks from a dimer up to an octamer by spacer-encoded self-assembly approach

E Kirchner, D Bialas, F Fennel, M Grüne… - Journal of the …, 2019 - ACS Publications
… defined dye stack reported in the literature so far. Furthermore, the series of merocyanine dye
… of the optical absorption properties of exciton-coupled chromophores in dependence of the …

Tuning exciton coupling of merocyanine nucleoside dimers by RNA, DNA and GNA double helix conformations

J Dietzsch, D Bialas, J Bandorf, F Würthner… - Angewandte …, 2022 - Wiley Online Library
… can therefore be attributed to the interacting MC dyes, which are known to show geometry
and distance dependent exciton coupling upon formation of MC dimers. 16a Interestingly, the …