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Updated: Apr 19, 2026

ARL Spectral Fitting as an Application to Augment Spectral Data via Franck-Condon Lineshape Analysis and Color Analysis
Published on: August 19, 2021
tris-Heteroleptic cyclometalated iridium(III) complexes with ambipolar or electron injection/transport features for
Xianbin Xu1, Xiaolong Yang, Yong Wu
1MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, State Key Laboratory for Mechanical Behavior of Materials, Institute of Chemistry for New Energy Materials, Department of Chemistry, Faculty of Science, Xi'an Jiaotong University, Xi'an 710049 (China), Fax: (+86) 29-82663914.
Abstract:
A series of tris-heteroleptic phosphorescent cyclometalated Ir(III) complexes with two different cyclometalating ligands and one ancillary ligand was synthesized. Through manipulation of the electronic features of individual cyclometalating ligands, not only the emission color and electrochemical properties of these Ir(III) complexes can be tuned, but also unique charge carrier injection and transport traits can be conferred to them. Owing to the enhanced electron injection/transport and ambipolar characters associated with these tris-heteroleptic structures, these Ir(III) emitters showed very impressive electroluminescent performance with a maximum external quantum efficiency of 20.20 %, luminance efficiency of 69.41 cd A(-1) and power efficiency of 35.15 Lm W(-1) . These results provide a new outlet to design and synthesize highly efficient electrophosphors for phosphorescent organic light-emitting diodes.
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