Glassy charge-transporting and electroluminescent tetraphenylmethane-based molecules for organic light-emitting devices

Hsiu-Chih Yeh; Li-Hsin Jan; Rong-Jer Lee; Chin-Ti Chen

doi:10.1117/12.416914

2 February 2001 Glassy charge-transporting and electroluminescent tetraphenylmethane-based molecules for organic light-emitting devices

Hsiu-Chih Yeh, Li-Hsin Jan, Rong-Jer Lee, Chin-Ti Chen

Author Affiliations +

Proceedings Volume 4105, Organic Light-Emitting Materials and Devices IV; (2001) https://doi.org/10.1117/12.416914
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

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.

Citation Download Citation

Hsiu-Chih Yeh, Li-Hsin Jan, Rong-Jer Lee, and Chin-Ti Chen "Glassy charge-transporting and electroluminescent tetraphenylmethane-based molecules for organic light-emitting devices", Proc. SPIE 4105, Organic Light-Emitting Materials and Devices IV, (2 February 2001); https://doi.org/10.1117/12.416914

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