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A Promising Phosphorescent Iridium Complex With Fluorine Substituents: Synthesis, Crystal Structure, Photo- And Electro-Luminescence Performance

A Promising Phosphorescent Iridium Complex With Fluorine Substituents: Synthesis, Crystal Structure, Photo- And Electro-Luminescence Performance

Xiao Cui, He Ming Zhang, Tie Feng Wu, Mei Li

Spectrochim Acta A Mol Biomol Spectrosc. 2011 Nov;82(1):126-31.

PMID: 21820951

Abstract:

In this paper, we report a phosphorescent Ir(III) emitter of Ir(acac-F6)(F-BT)(2), where acac-F6 = 1,1,1,5,5,5-hexafluoropentane-2,4-dione and F-BT = 2-(2-fluorophenyl)benzo[d]thiazole, including its crystal structure, electronic nature, photophysical characteristics, thermal and electrochemical properties. Data suggest that Ir(acac-F6)(F-BT)(2) is a promising emitter with high quantum yield of 0.19 and good thermal stability, along with its proper energy levels for charge carrier transportation. Electroluminescence (EL) devices using Ir(acac-F6)(F-BT)(2) as emitter are also fabricated, and their electroluminescence performances are investigated in detail. The optimal EL device shows a maximum luminance of 27,000 cd/cm(2) and a peak current efficiency of 8.7 cd/A.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP337526882	Ir(BT)2(acac)		337526-88-2	Price

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