https://doi.org/10.1051/epjconf/201920506013
Ultrafast bi-excitonic dynamics and annihilation in molecular and mesoscopic systems
1 Photonics Institute, Vienna University of Technology, Gußhausstrasse 27-29, 1040, Vienna, Austria
2 Institut fuer Organische Chemie, Universitat Wurzburg, Am Hubland, D-97074, Würzburg, Germany
3 Professur für Dynamische Spektroskopien, Fakultät für Chemie, Technische Universität München, Lichtenbergstr. 4, D-85748, Garching b. München, Germany
* Corresponding author: juergen.hauer@tum.de
Published online: 16 April 2019
We present 5th and 3rd order 2D spectra of a squarine trimer. Slowly decaying (τ = 0.8 ps) and intensity dependent features unique to the 5th order signal are attributed to exciton-exciton annihilation.
© The Authors, published by EDP Sciences, 2019
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