White light organic electroluminescent device using a naphthalimide derivative as the emitter layer

Guoqiang Chu; Xingyuan Liu; Yun Liu; Dongjiang Wu; Lijun Wang

doi:10.1117/12.408375

29 November 2000 White light organic electroluminescent device using a naphthalimide derivative as the emitter layer

Guoqiang Chu, Xingyuan Liu, Yun Liu, Dongjiang Wu, Lijun Wang

Proceedings Volume 4086, Fourth International Conference on Thin Film Physics and Applications; (2000) https://doi.org/10.1117/12.408375
Event: 4th International Conference on Thin Film Physics and Applications, 2000, Shanghai, China

Abstract

The electroluminescent (EL) device was fabricated using a naphthalimide derivative, N-Propyl-4-acetylamino-1,8- naphthalimide (PAAN), as the emitter layer, N,N'-diphenyl- N,N'-bis(3-methyl-phenyl)-(1,1'-biphenyl)-4,4'-diamine (TPD) as the hole transport layer, ITO and Al as the anode and cathode, respectively. The EL emission of the device showed a white light. There are two peaks located at 491 nm and 669 nm in the EL spectrum. The emission peak at 491 nm comes from PAAN, while the emission peak at 669 nm results from neither the emission of PAAN molecule nor that of TPD molecule. It showed that the showing up of the new emission peak in the EL spectrum of the device is due to the exciplex formation at the PAAN and TPD bilayer interface.

Citation Download Citation

Guoqiang Chu, Xingyuan Liu, Yun Liu, Dongjiang Wu, and Lijun Wang "White light organic electroluminescent device using a naphthalimide derivative as the emitter layer", Proc. SPIE 4086, Fourth International Conference on Thin Film Physics and Applications, (29 November 2000); https://doi.org/10.1117/12.408375

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