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Proceedings Paper

White light organic electroluminescent device using a naphthalimide derivative as the emitter layer
Author(s): Guoqiang Chu; Xingyuan Liu; Yun Liu; Dongjiang Wu; Lijun Wang
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Paper 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.

Paper Details

Date Published: 29 November 2000
PDF: 4 pages
Proc. SPIE 4086, Fourth International Conference on Thin Film Physics and Applications, (29 November 2000); doi: 10.1117/12.408375
Show Author Affiliations
Guoqiang Chu, Changchun Institute of Optics and Fine Mechanics (China)
Xingyuan Liu, Changchun Institute of Optics and Fine Mechanics (China)
Yun Liu, Changchun Institute of Optics and Fine Mechanics (China)
Dongjiang Wu, Changchun Institute of Optics and Fine Mechanics (China)
Lijun Wang, Changchun Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 4086:
Fourth International Conference on Thin Film Physics and Applications
Junhao Chu; Pulin Liu; Yong Chang, Editor(s)

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