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Proceedings Paper

Glassy charge-transporting and electroluminescent tetraphenylmethane-based molecules for organic light-emitting devices
Author(s): Hsiu-Chih Yeh; Li-Hsin Jan; Rong-Jer Lee; Chin-Ti Chen
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Paper Abstract

Bipolar tetraphenylmethane derivatives carrying both hole transporting and electron transporting units were synthesized and characterized. Tetraphenylmethane core structure of the molecule provides an effective molecular skeleton for inhibiting the crystallization of the attached functional moieties and greatly enhances the glass-forming ability of the molecules. A single-layer light-emitting device was fabricated based on the highly luminescent bipolar tetraphenylmethane-based derivatives containing conjugated triphenylamino and 2,5 diaryl substituted 1,3,4- oxadiazole moieties. The current-voltage-electroluminescence characteristics of the devices are described.

Paper Details

Date Published: 2 February 2001
PDF: 8 pages
Proc. SPIE 4105, Organic Light-Emitting Materials and Devices IV, (2 February 2001); doi: 10.1117/12.416914
Show Author Affiliations
Hsiu-Chih Yeh, Institute of Chemistry (Taiwan)
Li-Hsin Jan, Institute of Chemistry (Taiwan)
Rong-Jer Lee, Industrial Technology Research Institute (Taiwan)
Chin-Ti Chen, Institute of Chemistry (Taiwan)

Published in SPIE Proceedings Vol. 4105:
Organic Light-Emitting Materials and Devices IV
Zakya H. Kafafi, Editor(s)

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