High-Efficiency Violet-Light-Emitting Materials Based on Phenanthro[9,10-d]imidazole

Novel violet: The material M2 (see picture), which is based on phenanthro[9,10‐d]imidazole and carbazole, has a narrow band in the electroluminescence emission spectrum that results in saturated violet‐light emission. The CIE of a non‐doped device can reach (0.166, 0.056) with an external efficiency...

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Bibliographic Details
Published in:Chemistry : a European journal 2013-02, Vol.19 (8), p.2602-2605
Main Authors: Gao, Zhao, Liu, Yulong, Wang , Zhiming, Shen, Fangzhong, Liu, He, Sun, Guannan, Yao, Liang, Lv, Ying, Lu, Ping, Ma, Yuguang
Format: Article
Language:English
Subjects:
Band spectra
Carbazoles
Chemistry
Devices
Electroluminescence
Emission
imidazoles
light-emitting materials
OLEDs
phenanthroquinone
Pictures
violet light
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Summary:Novel violet: The material M2 (see picture), which is based on phenanthro[9,10‐d]imidazole and carbazole, has a narrow band in the electroluminescence emission spectrum that results in saturated violet‐light emission. The CIE of a non‐doped device can reach (0.166, 0.056) with an external efficiency of 3.02 %.
ISSN:0947-6539
1521-3765
DOI:10.1002/chem.201203335