Highly efficient deep-blue OLED with an extraordinarily narrow FHWM of 35 nm and a y coordinate <0.05 based on a fully twisting donor–acceptor molecule

Weijun Li; Liang Yao; Haichao Liu; Zhiming Wang; Shitong Zhang; Ran Xiao; Huanhuan Zhang; Ping Lu; Bing Yang; Yuguang Ma

doi:10.1039/C4TC00487F

Highly efficient deep-blue OLED with an extraordinarily narrow FHWM of 35 nm and a y coordinate <0.05 based on a fully twisting donor–acceptor molecule†

Weijun Li,^a Liang Yao,^a Haichao Liu,^a Zhiming Wang,^a Shitong Zhang,^a Ran Xiao,^a Huanhuan Zhang,^a Ping Lu,^a Bing Yang*^ab and Yuguang Ma^ac

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^a State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun, P. R. China
E-mail: yangbing@jlu.edu.cn
Fax: +86 431 85168480
Tel: +86 431 85168480

^b College of Chemistry, Jilin University, Changchun, P. R. China

^c Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, P. R. China

Abstract

A highly efficient deep-blue organic light-emitting diode based on the fully twisting donor–acceptor molecule TPA–PIM exhibited a maximum quantum efficiency of 3% and a particularly narrow electroluminescence emission peaking at 420 nm with a full width at half maximum of only 35 nm and a CIE coordinate of (0.161, 0.046).

Journal of Materials Chemistry C

Highly efficient deep-blue OLED with an extraordinarily narrow FHWM of 35 nm and a y coordinate <0.05 based on a fully twisting donor–acceptor molecule†

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Highly efficient deep-blue OLED with an extraordinarily narrow FHWM of 35 nm and a y coordinate <0.05 based on a fully twisting donor–acceptor molecule

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