Brightly phosphorescent tetranuclear copper(i) pyrazolates
- PMID: 31580351
- DOI: 10.1039/c9dt03402a
Brightly phosphorescent tetranuclear copper(i) pyrazolates
Abstract
Described herein is the synthesis and photophysics of two tetranuclear copper complexes, {[3,5-(Pri)2,4-(Br)Pz]Cu}4 and {[3-(CF3),5-(But)Pz]Cu}4 tailor-designed by manipulating the pyrazolyl ring substituents. Unlike their trinuclear analogues, the luminescence of the tetranuclear species is molecular (not supramolecular) in nature with extremely high solid-state quantum yields of ∼80% at room temperature.
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