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Highly Efficient Red OLEDs Using DCJTB as the Dopant and Delayed Fluorescent Exciplex as the Host

Highly Efficient Red OLEDs Using DCJTB as the Dopant and Delayed Fluorescent Exciplex as the Host

Bo Zhao, Tianyou Zhang, Bei Chu, Wenlian Li, Zisheng Su, Hairuo Wu, Xingwu Yan, Fangming Jin, Yuan Gao, Chengyuan Liu

Sci Rep. 2015 May 29;5:10697.

PMID: 26023882

Abstract:

In this manuscript, we demonstrated a highly efficient DCJTB emission with delayed fluorescent exciplex TCTA:3P-T2T as the host. For the 1.0% DCJTB doped concentration, a maximum luminance, current efficiency, power efficiency and EQE of 22,767 cd m(-2), 22.7 cd A(-1), 21.5 lm W(-1) and 10.15% were achieved, respectively. The device performance is the best compared to either red OLEDs with traditional fluorescent emitter or traditional red phosphor of Ir(piq)3 doped into CBP host. The extraction of so high efficiency can be explained as the efficient triplet excitons up-conversion of TCTA:3P-T2T and the energy transfer from exciplex host singlet state to DCJTB singlet state.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP200052706	DCJTB		200052-70-6	Price

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