https://doi.org/10.1051/epjconf/201920509031
Unveiling the concentration dependent direct triplet formation via singlet fission in a tetracene derivative
1 Physikalisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Germany
2 Centre for Advanced Materials, Ruprecht-Karls-Universität Heidelberg, Germany
3 Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Germany
* Corresponding Author: Marcus.Motzkus@pci.uni-heidelberg.de
Published online: 16 April 2019
Singlet fission is slowed down on diffusional timescales in highly concentrated solutions compared to thin films for a tetracene-like molecule. The underlying mechanism suggests competing intersystem crossing and singlet fission, where in the latter singlets are converted directly to triplets without an intermediate excimer state.
© The Authors, published by EDP Sciences, 2019
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