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Molecular doped, color-tunable, high-mobility, emissive, organic semiconductors for light-emitting transistors.


ABSTRACT: Developing high-mobility emissive organic semiconductors with tunable colors is crucial for organic light-emitting transistors (OLETs), a pivotal component of integrated optoelectronic devices, but remains a great challenge. Here, we demonstrate a series of color-tunable, high-mobility, emissive, organic semiconductors via molecular doping with a high-mobility organic semiconductor, 2,6-diphenylanthracene, as the host. The well-matched molecular structures and sizes with efficient energy transfer between the host and guest enable the intrinsically high charge transport with tunable colors. High mobility with the highest value >2 cm2 V-1 s-1 and strong emission with photoluminescence quantum yield >15.8% are obtained for these molecular-doped organic semiconductors. Last, a large color gamut for constructed OLETs is up to 59% National Television System Committee standard, meanwhile with an extremely high current density approaching 326.4 kA cm-2, showing great potential for full-color smart display, organic electrically pumped lasers and other related logic circuitries.

SUBMITTER: Qin Z 

PROVIDER: S-EPMC9269892 | biostudies-literature | 2022 Jul

REPOSITORIES: biostudies-literature

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Molecular doped, color-tunable, high-mobility, emissive, organic semiconductors for light-emitting transistors.

Qin Zhengsheng Z   Gao Can C   Gao Haikuo H   Wang Tianyu T   Dong Huanli H   Hu Wenping W  

Science advances 20220708 27


Developing high-mobility emissive organic semiconductors with tunable colors is crucial for organic light-emitting transistors (OLETs), a pivotal component of integrated optoelectronic devices, but remains a great challenge. Here, we demonstrate a series of color-tunable, high-mobility, emissive, organic semiconductors via molecular doping with a high-mobility organic semiconductor, 2,6-diphenylanthracene, as the host. The well-matched molecular structures and sizes with efficient energy transfe  ...[more]

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