Dipoledipole interaction driven self-assembly of merocyanine dyes: from dimers to nanoscale objects and supramolecular materials

F Würthner - Accounts of chemical research, 2016 - ACS Publications
… of dipolar merocyanine dyes owing to electrostatic interactions. Because both hydrogen-bonding
and dipoledipole interactions among merocyanines … intermolecular interaction energy (…

Dimerization of merocyanine dyes. Structural and energetic characterization of dipolar dye aggregates and implications for nonlinear optical materials

F Würthner, S Yao, T Debaerdemaeker… - Journal of the …, 2002 - ACS Publications
… for the highly dipolar dyes 1a−m may be generalized to a common description of merocyanine
dimerization by dipolar interactions. A representative selection of merocyanine dyes has …

Solvent influence on absorption and fluorescence spectra of merocyanine dyes: a theoretical and experimental study

I Baraldi, G Brancolini, F Momicchioli, G Ponterini… - Chemical Physics, 2003 - Elsevier
… As test compounds we chose two merocyanines, a ketocyanine dye (M1) and stilbazolium
… Abundant experimental data concerning the absorption spectra of these dyes in solvents of …

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
… (1) The V DFT values represent energetically minimized structures in the gas phase where
dipoledipole interactions are much stronger as in a polarizable solvent environment. (2) The …

Solvophobically‐Driven Merocyanine Dye Assembly: Predominant DipoleDipole Interactions Over Hydrogen‐Bonding

A Rajak, A Kumar Singh, L Roy, A Das - ChemNanoMat, 2022 - Wiley Online Library
dipole moment in the discrete antiparallel dimer state. Herein, we describe the self-assembly
of a merocyanine dye … effect of dipole-dipole interactions and strong dispersion forces, …

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
… of a highly dipolar merocyanine dye and double and quadruple π-stacks formed upon the
folding and self-assembly of appropriate spacer-tethered bis(merocyanine) dyes. Our analysis …

On the relative contributions of nonspecific and specific interactions to the unusual solvtochromism of a typical merocyanine dye

P Jacques - The Journal of Physical Chemistry, 1986 - ACS Publications
… Thus, depending on the nature of the solvent (i) dipole-dipole interactions and/or (ii) hydrogen
bonds can contribute to the same extent to the hypsochromic shift. The delicate question …

Supramolecular polymerization and gel formation of bis (merocyanine) dyes driven by dipolar aggregation

S Yao, U Beginn, T Gress, M Lysetska… - Journal of the …, 2004 - ACS Publications
… of strong dispersion interactions and that the kinetic barrier for disassembly is pretty high
in solvents of low permittivity where dipolar forces between antiparallel dye pairs are large. In …

The origin of the solvent dependence of fluorescence quantum yields in dipolar merocyanine dyes

J Hoche, A Schulz, LM Dietrich, A Humeniuk… - Chemical …, 2019 - pubs.rsc.org
… In this contribution we study the photochemistry of a fluorescent merocyanine dye, 4-(dicyanomethylene)-2-tert-butyl-6-[3-(3-butyl-benzothiazol-2-ylidene)1-propenyl]-4H-pyran
(DCBT, …

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
… self-assembly of merocyanine and bis(merocyanine) dyes in nonpolar solvents… dipolar
chromophores within the bis(merocyanine) dyes allows one to direct the dipoledipole interaction