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Polymorphic Phosphorescence from Separable Aggregates with Unique Photophysical Properties |
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| Authors: | Dr Piermaria Pinter Dr Felix Hennersdorf Prof Dr Jan J Weigand Prof Dr Thomas Strassner |
| Institution: | 1. Physikalische Organische Chemie, Technische Universität Dresden, Bergstraße 66, 01069 Dresden, Germany;2. Anorganische Molekülchemie, Technische Universität Dresden, Mommsenstraße 4, 01069 Dresden, Germany |
| Abstract: | Platinum complexes aggregate into polymorphs with different intermolecular interactions leading to different photophysical properties. Strong intermolecular interactions stabilize the aggregate to such an extent that the polymorphs can be separated directly by column chromatography. Solid-state structures as well as quantum-chemical calculations confirmed the effect of the interactions on the photophysical properties. |
| Keywords: | N-heterocyclic carbenes organic light-emitting diodes phosphorescence polymorphism triplet emitters |