Issue 14, 2011
From the journal:

Journal of Materials Chemistry

Phenanthro[9,10-d]imidazole as a new building block for blue light emitting materials†

Zhiming Wang,a   Ping Lu,*a   Shuming Chen,b   Zhao Gao,a   Fangzhong Shen,a   Wensi Zhang,a   Yuanxiang Xu,a   Hoi Sing Kwokb  and  Yuguang Ma*a  

* Corresponding authors

a State Key Laboratory of Supramolecular Structure and Materials, Jilin University, 2699 Qianjin Avenue, Changchun, P.R.China
E-mail: ygma@jlu.edu.cn
Fax: +86 431 85168480
Tel: +86 431 85168480

b Department of Chemistry, Institute of Molecular Functional Materials, Center for Display Research, The Hong Kong University of Science & Technology (HKUST), Clear Water Bay, Kowloon, Hong Kong, China

Abstract

The blue light emitting compound, BPPI, based on a phenanthro[9,10-d]imidazole group, is prepared by a facial synthetic process and exhibits excellent thermal stability, highly efficient fluorescence and balanced carrier injection. The double-layered device based on BPPI shows a higher maximum luminance and a lower turn-on voltage than the multi-layered one with an independent electron injection layer. The results suggest that the phenanthroimidazole unit is an excellent building block for tuning the carrier injection properties as well as blue emission.

Graphical abstract: Phenanthro[9,10-d]imidazole as a new building block for blue light emitting materials

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Article information

DOI
https://doi.org/10.1039/C1JM10321K
Article type
Paper
Submitted
21 Jan 2011
Accepted
11 Feb 2011
First published
28 Feb 2011

J. Mater. Chem., 2011,21, 5451-5456

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Phenanthro[9,10-d]imidazole as a new building block for blue light emitting materials

Z. Wang, P. Lu, S. Chen, Z. Gao, F. Shen, W. Zhang, Y. Xu, H. S. Kwok and Y. Ma, J. Mater. Chem., 2011, 21, 5451 DOI: 10.1039/C1JM10321K

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