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Figure 1
Jablonski diagram for H- and J-type aggregates of the π-dimer with a centre of inversion (allowed absorption in blue, forbidden absorption in green and emission in red).

IUCrJ
Volume 5| Part 3| May 2018| Pages 335-347
ISSN: 2052-2525
https://doi.org/10.1107/S2052252518001987