The exploration of acceptor ratio in thermally activated delayed fluorescent donor for the effect on exciplex OLED

doi:10.1016/j.optmat.2020.110779

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	The exploration of acceptor ratio in thermally activated delayed fluorescent donor for the effect on exciplex OLED
	Q. Ren; Y. Zhao; C. Liu; H. Zhan; Y. Cheng and W. Li
	2021
Source Publication	Optical Materials
ISSN	9253467
Volume	112
Abstract	The effect of PO-T2T acceptor ratio in thermally activated delayed fluorescent donor of DMAC-DPS on exciplex organic light-emitting diodes (OLED) performance is explored herein. As the ratio decrease of PO-T2T acceptor, we found an obvious blue shift of electroluminescence (EL) spectra from 536 nm to 496 nm, while the EL efficiency maintain a high level with maximum current efficiency of 25.738.1 cd/A, power efficiency of 24.239.5 l m/W and external quantum efficiency (EQE) of 10.412.1%, respectively. That means a wide spectral move range of 40 nm without damaging device EQE in exciplex OLED could be realized. The strong interaction between exciplex induced from charge separation is responsible for the blue shift as acceptor ratio reduce. 2020 Elsevier B.V.
DOI	10.1016/j.optmat.2020.110779
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Indexed By	SCI ; EI
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Document Type	期刊论文
Identifier	http://ir.ciomp.ac.cn/handle/181722/65234
Collection	中国科学院长春光学精密机械与物理研究所
Recommended Citation GB/T 7714	Q. Ren,Y. Zhao,C. Liu,et al. The exploration of acceptor ratio in thermally activated delayed fluorescent donor for the effect on exciplex OLED[J]. Optical Materials,2021,112.
APA	Q. Ren,Y. Zhao,C. Liu,H. Zhan,&Y. Cheng and W. Li.(2021).The exploration of acceptor ratio in thermally activated delayed fluorescent donor for the effect on exciplex OLED.Optical Materials,112.
MLA	Q. Ren,et al."The exploration of acceptor ratio in thermally activated delayed fluorescent donor for the effect on exciplex OLED".Optical Materials 112(2021).

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中国科学院长春光学精密机械与物理研究所