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Proceedings Paper

Electroluminescent devices based on poly(3-alkylthiophene) blended with poly(N-vinyl carbazole)
Author(s): Xuezhong Jiang; Xinqi Song; Yunqi Liu; Qinglin Li; Daoben Zhu
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Paper Abstract

In recent years, light-emitting diodes fabricated with organic molecules and conjugated polymers have attracted much attention due to their potential application in full color flat panel display. Among the conjugated polymers ever used in polymer light-emitting diodes, poly(p-phenylene vinylene)s (PPV), poly(N-vinylcarbazole) (PVK) and poly(3- alkylthiophene)s (P3AT) have been investigated most widely. PPV, PVK are good emissive materials as well as hole- transportation materials. P3AT, with their good solubility and chemical stability, are also promising candidate materials for the emitting layer. Furthermore, the properties of P3AT can be easily changed by the size of side chain groups. In this paper, a new kind of P3AT was synthesized, and multilayer light-emitting diodes based on the blended polymer of P3AT and PVK were fabricated. The I-V characteristics and electroluminescent spectroscopy were measured and discussed.

Paper Details

Date Published: 30 September 1996
PDF: 6 pages
Proc. SPIE 2892, Display Devices and Systems, (30 September 1996); doi: 10.1117/12.253368
Show Author Affiliations
Xuezhong Jiang, Tsinghua Univ. (China)
Xinqi Song, Tsinghua Univ. (China)
Yunqi Liu, Institute of Chemistry (China)
Qinglin Li, Institute of Chemistry (China)
Daoben Zhu, Institute of Chemistry (China)

Published in SPIE Proceedings Vol. 2892:
Display Devices and Systems
Eric G. Lean; Zhiren Tian; Bao Gang Wu, Editor(s)

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