EPJ Web of Conferences (Jan 2019)

Tailoring ultrafast singlet fission by structural modification of phenazinothiadiazoles

  • Alagna N.,
  • Han J.,
  • Herz J.,
  • Perez Lustres J. L.,
  • Hahn S.,
  • Koser S.,
  • Geyer Florian L.,
  • Hahn Sebastian,
  • Bunz U.,
  • Dreuw A.,
  • Buckup T.,
  • Motzkus M.

DOI
https://doi.org/10.1051/epjconf/201920509013
Journal volume & issue
Vol. 205
p. 09013

Abstract

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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.