Issue 38, 2012
From the journal:

Journal of Materials Chemistry

Enhanced temporal stability of a highly efficient guest–host electro-optic polymer through a barrier layer assisted poling process

Su Huang,a   Jingdong Luo,a   Zhian Jin,a   Xing-Hua Zhou,a   Zhengwei Shia  and  Alex K.-Y. Jen*a  

* Corresponding authors

a Department of Materials Science and Engineering, University of Washington, Seattle, Washington 98195, USA
E-mail: ajen@u.washington.edu
Fax: +1 206 543 3100
Tel: +1 206 543 2626

Abstract

Significantly enhanced temporal stability of poled electro-optic (E-O) polymers could be achieved by inserting a thin sol–gel derived titanium dioxide (TiO2) barrier layer in the high electric field poling process. The resulting poled film can retain >90% of its original r33 value (169 pm V−1 at 1310 nm) after being annealed at 85 °C for 500 h. This is significantly higher (∼30%) compared to that obtained without the TiO2 layer. This barrier approach is also applicable to a variety of dielectric polymers although the degree of enhancement varies. The enhanced temporal stability of E-O polymers is attributed to reduced charge injection/accumulation that improves the stability of screening charges for poled films.

Graphical abstract: Enhanced temporal stability of a highly efficient guest–host electro-optic polymer through a barrier layer assisted poling process

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Article information

DOI
https://doi.org/10.1039/C2JM33979J
Article type
Paper
Submitted
20 Jun 2012
Accepted
09 Aug 2012
First published
09 Aug 2012

J. Mater. Chem., 2012,22, 20353-20357

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Enhanced temporal stability of a highly efficient guest–host electro-optic polymer through a barrier layer assisted poling process

S. Huang, J. Luo, Z. Jin, X. Zhou, Z. Shi and A. K.-Y. Jen, J. Mater. Chem., 2012, 22, 20353 DOI: 10.1039/C2JM33979J

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