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Trapping on demand : external regulation of excitation energy transfer in a photoswitchable smart matrix

Title data

Schmidt, Regina ; Pärs, Martti ; Weller, Tina ; Thelakkat, Mukundan ; Köhler, Jürgen:
Trapping on demand : external regulation of excitation energy transfer in a photoswitchable smart matrix.
In: Applied Physics Letters. Vol. 104 (2014) .
ISSN 1077-3118
DOI: https://doi.org/10.1063/1.4860984

Project information

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

A thin film of polystyrene has been doped with small amounts of dithienylcyclopentene (DCP) based molecular switches and perylene bisimide (PBI) chromophores to obtain a photoswitchable smart matrix. The photochromic DCP can be converted by light between two bistable conformations and thereby changes the energetic position of its lowest excited singlet state. We exploit this feature to regulate the transfer of excitation energy between PBI and DCP as a function of the externally controllable illumination conditions in such a blend.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Lehrstuhl Experimentalphysik IX - Spektroskopie weicher Materie > Lehrstuhl Experimentalphysik IX - Spektroskopie weicher Materie - Univ.-Prof. Dr. Jürgen Köhler
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry I
Graduate Schools
Graduate Schools > Bayreuth Graduate School of Mathematical and Natural Sciences (BayNAT)
Graduate Schools > Bayreuth Graduate School of Mathematical and Natural Sciences (BayNAT) > Photophysics of Synthetic and Biological Multichromophoric Systems
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 IX - Spektroskopie weicher Materie
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Professorship Applied Functional Polymers > Professorship Applied Functional Polymers - Univ.-Prof. Dr. Mukundan Thelakkat
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Professorship Applied Functional Polymers
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 14 Apr 2014 14:23
Last Modified: 21 Jul 2016 06:38
URI: https://eref.uni-bayreuth.de/id/eprint/1143