Issue 6, 2009
From the journal:

Journal of Materials Chemistry

High-luminescence non-doped green OLEDs based on a 9,9-diarylfluorene-terminated 2,1,3-benzothiadiazole derivative†

Sung-Yu Ku,a   Liang-Chen Chi,a   Wen-Yi Hung,*b   Shih-Wei Yang,b   Tsung-Cheng Tsai,b   Ken-Tsung Wong,*a   Yu-Hung Chenc  and  Chih-I Wuc  

* Corresponding authors

a Department of Chemistry, National Taiwan University, Taipei 106, Taiwan
E-mail: kenwong@ntu.edu.tw
Fax: +886 2 33661667
Tel: +886 2 33661665

b Institute of Optoelectronic Sciences, National Taiwan Ocean University, Keelung 202
E-mail: wenhung@mail.ntou.edu.tw
Fax: +886 2 24634360
Tel: +886 2 24622192 ext. 6718

c Department of Electrical Engineering and Graduate Institute of Photonic and Optoelectronic Engineering, National Taiwan University, Taipei 106, Taiwan

Abstract

We have prepared a highly efficient non-doped green organic light-emitting diode (OLED) incorporating a novel 9,9-diarylfluorene-terminated 2,1,3-benzothiadiazole green emitter (DFBTA), which exhibits an excellent solid state photoluminescence quantum yield (81%), and new triaryldiamines (DPAInT2, DPAInF) with high hole mobility derived from rigid and coplanar cores. The optimal device: ITO/DPAInT2/DPAInF/TCTA/DFBTA/Alq3/LiF/Al displayed impressive device characteristics, including a maximum external quantum efficiency (ηext) of 3.7% (12.9 cd A−1) and a maximum brightness at 168 000 cd m−2.

Graphical abstract: High-luminescence non-doped green OLEDs based on a 9,9-diarylfluorene-terminated 2,1,3-benzothiadiazole derivative

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Article information

DOI
https://doi.org/10.1039/B814082K
Article type
Paper
Submitted
13 Aug 2008
Accepted
14 Nov 2008
First published
18 Dec 2008

J. Mater. Chem., 2009,19, 773-780

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High-luminescence non-doped green OLEDs based on a 9,9-diarylfluorene-terminated 2,1,3-benzothiadiazole derivative

S. Ku, L. Chi, W. Hung, S. Yang, T. Tsai, K. Wong, Y. Chen and C. Wu, J. Mater. Chem., 2009, 19, 773 DOI: 10.1039/B814082K

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