Issue 13, 2015
From the journal:

Journal of Materials Chemistry C

Multi-triphenylamine-substituted bis(thiophenyl)benzothiadiazoles as highly efficient solution-processed non-doped red light-emitters for OLEDs†

A. Thangthong,a   N. Prachumrak,b   S. Saengsuwan,a   S. Namuangruk,c   T. Keawin,a   S. Jungsuttiwong,a   T. Sudyoadsuka  and  V. Promarak*bd  

* Corresponding authors

a Department of Chemistry, Faculty of Science, Ubon Ratchathani University, Ubon Ratchathani 34190, Thailand

b School of Chemistry, Institute of Science, Suranaree University of Technology, Muang District, Nakhon Ratchasima 30000, Thailand
E-mail: pvinich@gmail.com, pvinich@sut.ac.th

c National Nanotechnology Center, 130 Thailand Science Park, Klong Luang, Pathumthani 12120, Thailand

d Vidyasirimedhi Institute of Science and Technology, Rayong 21210, Thailand

Abstract

New di- and penta(triphenylamine)-substituted bis(thiophenyl)benzothiadiazoles, namely T2B and T5B, respectively, were synthesized and characterized. T5B showed an outstanding red emission with high Tg amorphous and good film-forming properties and excellent potential as a solution-processed non-doped red light-emitter for OLEDs. A simple structured red OLED (ITO/PEDOT:PSS/T5B(spin coating)/BCP/LiF:Al) with a high efficiency (6.25 cd A−1 at 4.1 mA cm−2) and a pure red emission (CIE = 0.67, 0.33) was attained.

Graphical abstract: Multi-triphenylamine-substituted bis(thiophenyl)benzothiadiazoles as highly efficient solution-processed non-doped red light-emitters for OLEDs

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Article information

DOI
https://doi.org/10.1039/C4TC02618G
Article type
Paper
Submitted
17 Nov 2014
Accepted
02 Feb 2015
First published
16 Feb 2015

J. Mater. Chem. C, 2015,3, 3081-3086

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Multi-triphenylamine-substituted bis(thiophenyl)benzothiadiazoles as highly efficient solution-processed non-doped red light-emitters for OLEDs

A. Thangthong, N. Prachumrak, S. Saengsuwan, S. Namuangruk, T. Keawin, S. Jungsuttiwong, T. Sudyoadsuk and V. Promarak, J. Mater. Chem. C, 2015, 3, 3081 DOI: 10.1039/C4TC02618G

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