Electroluminescence of phenylene-vinylene random copolymers with different conjugation lengths

SCHULER, Tunisia Eufrausino; WANG, Shu Hui; ONMORI, Roberto Koji; SANTOS, Gerson; SANTOS, Emerson Roberto; BURINI JR., Elvo Calixto; ANDRADE, Adnei Melges de

Artículos de revistas

Fecha

2009

Registro en:

SYNTHETIC METALS, v.159, n.21-22, p.2306-2308, 2009

0379-6779

http://producao.usp.br/handle/BDPI/31918

10.1016/j.synthmet.2009.09.009

http://dx.doi.org/10.1016/j.synthmet.2009.09.009

http://repositorioslatinoamericanos.uchile.cl/handle/2250/1628555

Autor

SCHULER, Tunisia Eufrausino

WANG, Shu Hui

ONMORI, Roberto Koji

SANTOS, Gerson

SANTOS, Emerson Roberto

BURINI JR., Elvo Calixto

ANDRADE, Adnei Melges de

Institución

Universidade de São Paulo (Brasil)

Resumen

PPV random derivates were synthesized and characterized. Polymer light emitting diodes (PLEDs) were assembled using the random copolymers as emissive layer and showed EL in the blue-green region in function of the method of preparation. The increase in the average conjugation degree in the polymer chain led to the reduction of the turn-on voltage of the device. The addition of Alq3 as ETL increased tenfold the luminescence efficiency. (C) 2009 Elsevier B.V. All rights reserved.

Materias

PPV

Random copolymer

Conjugation confinement

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