Excimer emission and magnetoluminescence of radical-based zinc(ii) complexes doped in host crystals?
Chemical Communications Pub Date: 2020-09-01 DOI: 10.1039/D0CC04830E
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.
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Journal Name：Chemical Communications
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CAS no.: 89640-58-4
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