Organic light-emitting transistors with high efficiency and narrow emission originating from intrinsic multiple-order microcavities

被引:0
作者
Miao, Zhagen [1 ,2 ,3 ,4 ]
Gao, Can [1 ]
Shen, Molin [1 ,4 ]
Wang, Peng [5 ]
Gao, Haikuo [6 ]
Wei, Jinbei [7 ]
Deng, Jian [8 ]
Liu, Dan [1 ]
Qin, Zhengsheng [1 ]
Wang, Pu [1 ,4 ]
Lei, Yanan [1 ]
Lo, Shih-Chun [9 ]
Zhang, Xiaotao [2 ,3 ]
Yuan, Guangcai [5 ]
Namdas, Ebinazar B. [10 ]
Ma, Yuguang [8 ]
Dong, Huanli [1 ,4 ]
Hu, Wenping [2 ,3 ,11 ,12 ,13 ]
机构
[1] Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Key Lab Organ Solids, Beijing, Peoples R China
[2] Tianjin Univ, Dept Chem, Key Lab Organ Integrated Circuit, Minist Educ, Tianjin, Peoples R China
[3] Tianjin Univ, Dept Chem, Tianjin Key Lab Mol Optoelect Sci, Tianjin, Peoples R China
[4] Univ Chinese Acad Sci, Sch Chem Sci, Beijing, Peoples R China
[5] BOE Technol Grp Co Ltd, Beijing, Peoples R China
[6] Binzhou Univ, Coll Aeronaut Engn, Shandong Engn Res Ctr Aeronaut Mat & Devices, Binzhou 256603, Peoples R China
[7] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, Key Lab Adv Gas Sensors Jilin Prov, Changchun, Peoples R China
[8] South China Univ Technol, Inst Polymer Optoelect Mat & Devices, State Key Lab Luminescent Mat & Devices, Guangzhou, Peoples R China
[9] Univ Queensland, Ctr Organ Photon & Elect, Sch Chem & Mol Biosci, Brisbane, Qld, Australia
[10] Univ Queensland, Ctr Organ Photon & Elect, Sch Math & Phys, Brisbane, Qld, Australia
[11] Tianjin Univ, Joint Sch Natl Univ Singapore, Int Campus, Fuzhou, Peoples R China
[12] Tianjin Univ, Int Campus, Fuzhou, Peoples R China
[13] Haihe Lab Sustainable Chem Transformat, Tianjin, Peoples R China
关键词
HIGH-BRIGHTNESS; DIODES;
D O I
10.1038/s41563-025-02191-0
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Narrow electroluminescence is in high demand for high-resolution displays, optical communication and medical phototherapy. Organic light-emitting transistors, as three-terminal electroluminescent devices, offer advantages in simplifying device architecture and achieving high efficiency under gate regulation. However, achieving high efficiency and narrow emission remains a challenge. Here we demonstrate that laterally integrated organic light-emitting transistors with intrinsic multiple-order microcavities can enhance efficiency and narrow emission with a universal capability for different emitters. Full-width at half-maximum values of 18 nm for red, 14 nm for green and 13 nm for blue were achieved with a maximum narrowed degree of 68%. This resulted in an impressive BT.2020 colour gamut of 97%. The peak current efficiency or blue index values for red, green and blue organic light-emitting transistors reached 26.3 cd A-1, 37.3 cd A-1 and 72.6, respectively. Moreover, organic light-emitting transistors exhibit much narrower emission and higher efficiency than equivalent, comparable devices due to their unique gate regulation capability. Our work could enable smart display technologies with high colour purity and enhanced efficiency.
引用
收藏
页码:917 / 924
页数:10
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