Electroluminescence from the 1,1,4,4-tetraphenyl-1,3-butadiene-doped polymeric Langmuir-Blodgett films

Jinman Huang; Yi Yang; Shanhua Xue; Bai Yang; Shiyong Liu; Jiachong Shen; Subhash H. Risbud

doi:10.1117/12.332626

16 December 1998 Electroluminescence from the 1,1,4,4-tetraphenyl-1,3-butadiene-doped polymeric Langmuir-Blodgett films

Jinman Huang, Yi Yang, Shanhua Xue, Bai Yang, Shiyong Liu, Jiachong Shen, Subhash H. Risbud

Proceedings Volume 3476, Organic Light-Emitting Materials and Devices II; (1998) https://doi.org/10.1117/12.332626
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

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.

Citation Download Citation

Jinman Huang, Yi Yang, Shanhua Xue, Bai Yang, Shiyong Liu, Jiachong Shen, and Subhash H. Risbud "Electroluminescence from the 1,1,4,4-tetraphenyl-1,3-butadiene-doped polymeric Langmuir-Blodgett films", Proc. SPIE 3476, Organic Light-Emitting Materials and Devices II, (16 December 1998); https://doi.org/10.1117/12.332626

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