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Proceedings Paper

Electroluminescence from the 1,1,4,4-tetraphenyl-1,3-butadiene-doped polymeric Langmuir-Blodgett films
Author(s): Jinman Huang; Yi Yang; Shanhua Xue; Bai Yang; Shiyong Liu; Jiachong Shen; Subhash H. Risbud
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Paper Abstract

Dye TPB has been successfully introduced into polymeric multilayer films by means of LB technique without any chemical modification. X-ray diffraction and optical absorption data indicate that the films have ordered structure with a period of about 5.8 nm that is similar to a superlattice. The TPB doped polymeric LB films have also been used to fabricate an electroluminenscence (EL) device that emits in the blue region at room temperature. Compared with cast films, the photoluminescence and electroluminescence spectra of the TPB-doped LB films show that the exciton shifts to higher energy and that the full width at half maximum of the emission peak becomes narrower.

Paper Details

Date Published: 16 December 1998
PDF: 6 pages
Proc. SPIE 3476, Organic Light-Emitting Materials and Devices II, (16 December 1998); doi: 10.1117/12.332626
Show Author Affiliations
Jinman Huang, Jilin Univ. (Greece)
Yi Yang, Jilin Univ. (United States)
Shanhua Xue, Jilin Univ. (China)
Bai Yang, Jilin Univ. (China)
Shiyong Liu, Jilin Univ. (China)
Jiachong Shen, Jilin Univ. (China)
Subhash H. Risbud, Univ. of California/Davis (United States)

Published in SPIE Proceedings Vol. 3476:
Organic Light-Emitting Materials and Devices II
Zakya H. Kafafi, Editor(s)

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