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The effect of intermolecular interaction on excited states in p − DTS(FBTTH₂)₂

Title data

Reichenberger, Markus ; Love, John A. ; Rudnick, Alexander ; Bagnich, Sergey A. ; Panzer, Fabian ; Stradomska, Anna ; Bazan, Guillermo C. ; Nguyen, Thuc-Quyen ; Köhler, Anna:
The effect of intermolecular interaction on excited states in p − DTS(FBTTH₂)₂.
In: The Journal of Chemical Physics. Vol. 144 (2016) .
ISSN 0021-9606
DOI: https://doi.org/10.1063/1.4941700

Abstract in another language

Using optical spectroscopy in solution and thin film, and supported by quantum chemical calculations, we investigated the aggregation process of the donor-acceptor type molecule p − DTS(FBTTH2)2. We demonstrate that cooling a solution induces a disorder-order phase transition that proceeds in three stages analogous to the steps observed in semi-rigid conjugated polymers. By analyzing the spectra, we are able to identify the spectral signature of monomer and aggregate in absorption and emission. From this we find that in films, the fraction of aggregates is near 100% which is in contrast to films made from semi-rigid conjugated polymers.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Lehrstuhl Experimentalphysik II - Optoelektronik weicher Materie > Lehrstuhl Experimentalphysik II - Optoelektronik weicher Materie - Univ.-Prof. Dr. Anna Köhler
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Lehrstuhl Experimentalphysik II - Optoelektronik weicher Materie
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 24 Feb 2016 13:46
Last Modified: 24 Feb 2016 13:46
URI: https://eref.uni-bayreuth.de/id/eprint/31112