Inside Back Cover: Fast and Tunable Phosphorescence from Organic Ionic Crystals (Angew. Chem. Int. Ed. 36/2023)

Harvesting organic phosphorescence is essential for many fields in energy and materials sciences related to light generation. In their Research Article (e202305108), Andreas Steffen, Andrey Belyaev, Pi‐Tai Chou, Igor O. Koshevoy et al. show that the anion–π interactions in crystalline diphosphonium...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2023-09, Vol.62 (36), p.n/a
Main Authors: Partanen, Iida, Al‐Saedy, Omar, Eskelinen, Toni, Karttunen, Antti J., Saarinen, Jarkko J., Mrózek, Ondrej, Steffen, Andreas, Belyaev, Andrey, Chou, Pi‐Tai, Koshevoy, Igor O.
Format: Article
Language:English
Subjects:
Anion-π Interactions
Anions
Charge Transfer
Chemical compounds
Crystal Engineering
Crystals
Fluorophores
Iodides
Ionic crystals
Phosphonium Salt
Phosphorescence
Room temperature
Transition metals
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Summary:Harvesting organic phosphorescence is essential for many fields in energy and materials sciences related to light generation. In their Research Article (e202305108), Andreas Steffen, Andrey Belyaev, Pi‐Tai Chou, Igor O. Koshevoy et al. show that the anion–π interactions in crystalline diphosphonium iodides induce unusually fast room temperature triplet emission, which is associated with the external heavy atom effect and anion–π charge‐transfer character of the excited states. This makes ionic luminophores a new design strategy beyond transition metals and organic delayed fluorophores.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.202309191