| Issue |
EPJ Web Conf.
Volume 205, 2019
XXI International Conference on Ultrafast Phenomena 2018 (UP 2018)
|
|
|---|---|---|
| Article Number | 05005 | |
| Number of page(s) | 3 | |
| Section | Semiconductors, Transition-Metals and Nanocrystals | |
| DOI | https://doi.org/10.1051/epjconf/201920505005 | |
| Published online | 16 April 2019 | |
https://doi.org/10.1051/epjconf/201920505005
Two-dimensional electronic spectroscopy of graphene nanoribbons in organic solution
1 IFN-CNR, Dipartimento di Fisica, Politecnico di Milano, Piazza L. da Vinci 32, 20133 Milano, Italy
2 Department of Chemistry and Materials Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, 606-8585 Kyoto, Japan
3 School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
4 Department of Chemistry and Food Chemistry, Technische Universitat Dresden, Mommsenstrasse 4, 01062 Dresden, Germany
* e-mail: nagahara@kit.ac.jp
Published online: 16 April 2019
We unravel the electronic structure of graphene nanoribbons in solution using two-dimensional electronic spectroscopy. We identify different excitons, their vibrational couplings and find that exciton diffusion or relaxation among the exiton sublevels takes place in ~300 fs.
© The Authors, published by EDP Sciences, 2019
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