Highly efficient and bright organic light-emitting devices using a Sn/Al cathode

Feng Li; Gang Cheng; Jing Feng; Shiyong Liu

doi:10.1117/12.446567

29 October 2001 Highly efficient and bright organic light-emitting devices using a Sn/Al cathode

Feng Li, Gang Cheng, Jing Feng, Shiyong Liu

Proceedings Volume 4594, Design, Fabrication, and Characterization of Photonic Devices II; (2001) https://doi.org/10.1117/12.446567
Event: International Symposium on Photonics and Applications, 2001, Singapore, Singapore

Abstract

A bilayer is used as an electrode for organic light-emitting devices. The bilayer consists of a Sn layer adjacent to Alq layer and an Al outerlayer. The effects of a controlled Sn buffer layer on the behavior of ITO/CuPc/NPB/Alq/Sn/Al light-emitting devices are described. It is found that both electron injection efficiency and electroluminescence are significantly enhanced when the thickness of Sn layer is suitable. The enhancement is believed to be due to increased electron density of Sn layer near the Sn/Al interface .

Citation Download Citation

Feng Li, Gang Cheng, Jing Feng, and Shiyong Liu "Highly efficient and bright organic light-emitting devices using a Sn/Al cathode", Proc. SPIE 4594, Design, Fabrication, and Characterization of Photonic Devices II, (29 October 2001); https://doi.org/10.1117/12.446567

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