High-efficiency and low-efficiency roll-off fluorescence/phosphorescence hybrid white organic light-emitting diodes based on AIEgens with hot exciton property by strategically managing triplet excitons

Author:

Gao Guangjian1ORCID,Han Pengbo1,Qiao Xianfeng1,Dai Yanfeng1,Sun Qian1ORCID,Yang Dezhi1ORCID,Qin Anjun1ORCID,Tang Ben Zhong12,Ma Dongge1ORCID

Affiliation:

1. Institute of Polymer Optoelectronic Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, Guangdong-Hong Kong-Macao Joint Laboratory of Optoelectronic and Magnetic Functional Materials, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China

2. Shenzhen Institute of Molecular Aggregate Science and Engineering, School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen, 2001 Longxiang Boulevard, Longgang District, Shenzhen City, Guangdong 518172, China

Abstract

OLEDs with efficient blue emission are fabricated using AIE materials. Utilizing TPB-AC enables high-efficiency two-color white OLEDs, and introducing a TTF layer significantly enhances the efficiency, the maximum efficiency increased to 23.2%.

Funder

National Natural Science Foundation of China

Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology

Guangzhou Municipal Science and Technology Project

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

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