Modulation of luminescence properties for [cyclometalated]-Pt II (isocyanide) complexes upon co-crystallisation with halosubstituted perfluorinated arenes

Phosphorescent Pt II -based cyclometalated complexes co-crystallise with bromo- and iodosubstituted perfluorinated arenes to give 1 : 1 adducts. X- F Arenes in these co-crystals act as both σh and πh donors forming co-operative C–X⋯Cl–Pt XBs and πh⋯d z2 [Pt II ] contacts. The solid-state photophysic...

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Bibliographic Details
Published in:New journal of chemistry 2021-02, Vol.45 (6), p.2948-2952
Main Authors: Katkova, Svetlana A., Luzyanin, Konstantin V., Novikov, Alexander S., Kinzhalov, Mikhail A.
Format: Article
Language:English
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Summary:Phosphorescent Pt II -based cyclometalated complexes co-crystallise with bromo- and iodosubstituted perfluorinated arenes to give 1 : 1 adducts. X- F Arenes in these co-crystals act as both σh and πh donors forming co-operative C–X⋯Cl–Pt XBs and πh⋯d z2 [Pt II ] contacts. The solid-state photophysical study revealed up to a 2-fold luminescence quantum yield increase upon co-crystallisation due to the formation of these co-operative noncovalent interactions.
ISSN:1144-0546
1369-9261
DOI:10.1039/D0NJ05457G