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A Ligand‐Stabilized Tetrameric Zinc( II ) Cluster with High‐Efficiency Emission from Both Singlet and Triplet Excited States for Electroluminescent Devices
Author(s) -
Ma Y.,
Lai T.,
Wu Y.
Publication year - 2000
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/(sici)1521-4095(200003)12:6<433::aid-adma433>3.0.co;2-s
Subject(s) - electroluminescence , excited state , materials science , singlet state , photoluminescence , zinc , photochemistry , triplet state , cluster (spacecraft) , optoelectronics , light emitting diode , quantum efficiency , diode , ligand (biochemistry) , luminescence , layer (electronics) , atomic physics , nanotechnology , chemistry , physics , computer science , programming language , metallurgy , biochemistry , receptor
Blue photoluminescence with high quantum efficiency is emitted by both the singlet and triplet excited states of the 7‐azaidolate‐containing tetrameric zinc( II ) cluster (Zn 4 O(AID) 6 ) (see Figure) in solution and in the solid state at room temperature. A blue light–emitting diode with Zn 4 O(AID) 6 as the active layer is shown to have an electroluminescence efficiency of 0.8 %.