Carbazole dendronised triphenylamines as solution processed high Tg amorphous hole-transporting materials for organic electroluminescent devices

Preecha Moonsin; Narid Prachumrak; Ratanawalee Rattanawan; Tinnagon Keawin; Siriporn Jungsuttiwong; Taweesak Sudyoadsuk; Vinich Promarak

doi:10.1039/C2CC16878B

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Carbazole dendronised triphenylamines as solution processed high T_g amorphous hole-transporting materials for organic electroluminescent devices†

Preecha Moonsin,^a Narid Prachumrak,^a Ratanawalee Rattanawan,^a Tinnagon Keawin,^a Siriporn Jungsuttiwong,^a Taweesak Sudyoadsuk^a and Vinich Promarak*^a

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* Corresponding authors

^a Center for Organic Electronic and Alternative Energy, Department of Chemistry and Center for Innovation in Chemistry, Faculty of Science, Ubon Ratchathani University, Ubon Ratchathani, Thailand
E-mail: pvinich@ubu.ac.th
Fax: +66 4528 8379
Tel: +66 4535 3400 ext. 4510

Abstract

Carbazole dendrimers up to 4th generation were synthesized. They showed significantly high T_g, amorphous and stable electrochemical properties, and great potential as solution processed hole-transporting materials for OLEDs. Alq3-based green devices exhibited high luminance efficiency and CIE coordinates of 4.45 cd A⁻¹ and (0.29, 0.53), respectively.

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Article information

DOI: https://doi.org/10.1039/C2CC16878B
Article type: Communication
Submitted: 07 Nov 2011
Accepted: 18 Jan 2012
First published: 18 Jan 2012

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Chem. Commun., 2012,48, 3382-3384

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Carbazole dendronised triphenylamines as solution processed high T_g amorphous hole-transporting materials for organic electroluminescent devices

P. Moonsin, N. Prachumrak, R. Rattanawan, T. Keawin, S. Jungsuttiwong, T. Sudyoadsuk and V. Promarak, Chem. Commun., 2012, 48, 3382 DOI: 10.1039/C2CC16878B

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Chemical Communications