Issue 21, 2011
From the journal:

Journal of Materials Chemistry

Synthesis of ring-structured polysiloxane as host materials for blue phosphorescent device†

Zhongjie Ren,a   Rongben Zhang,b   Yuguang Ma,c   Feng Wanga  and  Shouke Yan*a  

* Corresponding authors

a State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, China
E-mail: skyan@mail.buct.edu.cn
Fax: +861064455928
Tel: +861064455928

b Laboratory of Polymer Science and Material, Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Sciences, Beijing, China

c State Key Lab for Supramolecular Structures and Materials, Jilin University, Changchun, China

Abstract

A ringed polysiloxane with a side chain of dibenzothiophene groups (BS-PSQ) is successfully synthesized as confirmed by MALDI-TOF MS and 1H-NMR. DSC, TGA, AFM and spectra reveal its good film-forming ability, high thermal and morphological stability, and good miscibility with the dopant FIrpic. In addition, it also has a high triplet energy and a wide band gap. The BS-PSQ may be used as a host for the blue light emitter iridium complex FIrpic. The electrophosphorescent device based on BS-PSQ as the active layer exhibits typical blue emission, and the performance of the device is superior to that of any other POSS-based host material reported and also to some of the small molecular host materials.

Graphical abstract: Synthesis of ring-structured polysiloxane as host materials for blue phosphorescent device

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Article information

DOI
https://doi.org/10.1039/C1JM10290G
Article type
Paper
Submitted
20 Jan 2011
Accepted
07 Mar 2011
First published
26 Apr 2011

J. Mater. Chem., 2011,21, 7777-7781

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Synthesis of ring-structured polysiloxane as host materials for blue phosphorescent device

Z. Ren, R. Zhang, Y. Ma, F. Wang and S. Yan, J. Mater. Chem., 2011, 21, 7777 DOI: 10.1039/C1JM10290G

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