Tailoring ultrafast singlet fission by structural modification of phenazinothiadiazoles

Authors :: Uwe H. F. Bunz
Silke Koser
Nicolò Alagna
J. L. Perez Lustres
Marcus Motzkus
Florian L. Geyer
Jinsong Han
Andreas Dreuw
Julia Herz
Sebastian Hahn
Tiago Buckup
S. Hahn
Source :: EPJ Web of Conferences, Vol 205, p 09013 (2019)
Publication Year :: 2019
Publisher :: EDP Sciences, 2019.
Abstract: Ultrafast transient absorption and quantum chemistry calculations are combined to demonstrate singlet fission in newly functionalized TIPS-Tetracenes. The coupling strength (but not the energy gap) between Si and ’(TT) states gauges singlet fission efficiency and rate.

Subjects :: Materials science
Coupling strength
010308 nuclear & particles physics
Band gap
Physics
QC1-999
High Energy Physics::Phenomenology
01 natural sciences
Quantum chemistry
0103 physical sciences
Singlet fission
Ultrafast laser spectroscopy
Physics::Atomic and Molecular Clusters
Condensed Matter::Strongly Correlated Electrons
Atomic physics
010306 general physics
Nuclear Experiment
Ultrashort pulse

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