Tetrahedron

Novel iridium complexes as high-efficiency yellow and red phosphorescent light emitters for organic light-emitting diodes

JH Yao, C Zhen, KP Loh, ZK Chen

Index: Yao, Jun Hong; Zhen, Changgua; Loh, Kian Ping; Chen, Zhi-Kuan Tetrahedron, 2008 , vol. 64, # 48 p. 10814 - 10820

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Citation Number: 36

Abstract

A series of novel biscyclometallated iridium complexes based on spirobifluorene ligands and acetyl acetonate (acac) ancillary ligands have been synthesized and characterized. Their electrochemical properties were investigated by cyclic voltammetry (CV). HOMO, LUMO, and energy band gaps of all the complexes were calculated by the combination of UV–vis absorption spectra and CV results. TGA and DSC results indicated their excellent ...