Method for preparation of conjugated arylene or heteroarylene vi

Details Method for preparation of conjugated arylene or heteroarylene vi Method for preparation of conjugated arylene or heteroarylene vi

1993-11-08

1997-12-23

Crane, Sara W.

Fishing, trapping, and vermin destroying

257 40, 257103, 313504, 528481, 528490, H01L 5140

Patent

active

057006962

ABSTRACT:
A technique is described for the preparation of conjugated arylene and heteroarylene vinylene polymers wherein conversion of the polymer precursor is effected at a temperature ranging from 150.degree.-300.degree. C. in the presence of forming gas. Studies have shown that the presence of the forming gas suppresses the formation of carbonyl groups, so resulting in an enhancement in photoluminescence and electroluminescence efficiency of the polymer.

REFERENCES:
patent: 5247190 (1993-09-01), Friend et al.
Burroughs et al.; Light-Emitting Diodes Based on Conjugated Polymers Nature, vol. 347, Oct. 11, 1990, pp. 539-541.
P.L. Burn et al.; Chemical Tuning of Electroluminescent Copolymers to Improve Emission Efficiencies; Nature, vol. 356, Mar. 5, 1992, pp. 47-49.
Yoshino et al.; Optical Recording Utilizing Conducting Polymers; Japanese Journal of Applied Physics, vol. 29, No. 8, Aug. 1990, pp. 1514-1516.

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