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Issue 76, 2020
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Excimer emission and magnetoluminescence of radical-based zinc(ii) complexes doped in host crystals

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Abstract

A ZnII complex based on a luminescent organic radical was doped into host molecular crystals. The 5, 10, and 20 wt%-doped crystals showed excimer emissions and their luminescent behaviours were significantly modulated by an external magnetic field. These are the first examples showing excimer emissions and magnetic-field–sensitive luminescent properties for complexes based on luminescent radicals. The excimer species contributing to magnetoluminescence was determined by analyzing the emission spectra and their magnetic-field dependencies. These results suggest the general nature of magnetic field effects on the luminescence of radicals as well as the importance of the type of interaction between radicals.

Graphical abstract: Excimer emission and magnetoluminescence of radical-based zinc(ii) complexes doped in host crystals

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Supplementary files

Article information


Submitted
14 Jul 2020
Accepted
21 Aug 2020
First published
01 Sep 2020

Chem. Commun., 2020,56, 11195-11198
Article type
Communication

Excimer emission and magnetoluminescence of radical-based zinc(II) complexes doped in host crystals

S. Kimura, S. Kimura, H. Nishihara and T. Kusamoto, Chem. Commun., 2020, 56, 11195
DOI: 10.1039/D0CC04830E

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