Development of a deep-blue exciplex as an emitter and a host for highly efficient and wide-color OLEDs

Author:

Xia Qing1ORCID,Xiang Yuhao1,Gong Yujie1,Li Shuai1,Wu Yishi1,Wang Zhijia1,Fu Hongbing1ORCID

Affiliation:

1. Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing 100048, P. R. China

Abstract

A deep-blue exciplex with thermally activated delayed fluorescence (TADF) at 444 nm enabled organic light-emitting diodes (OLEDs) with CIE coordinates of (0.152, 0.075) and EQE up to 4.83%, meanwhile, which can also serve as a co-host for wide color phosphorescent OLEDs.

Funder

National Natural Science Foundation of China

National Science and Technology Major Project

Natural Science Foundation of Beijing Municipality

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

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