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Proceedings Paper

Synthesis and electro-optic properties of the chromophore-containing NLO polyarylate polymers
Author(s): Haohui Ren; Chengcheng Peng; Shuhui Bo; Guofang Fan; Guangming Xu; Hui Zhao; Zhen Zhen; Xinhou Liu
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Paper Abstract

Base on the same two monomers, diphenolic acid (DPA) and isophthaloyl chloride (IPC), three chromophore-containing nonlinear optical (NLO) polyarylate polymers were prepared. A tricyanofuran (TCF)-acceptor type chromophore group was in main-chain (mPAR-chr1), side-chain (sPAR-chr1) and side-chain with a 1,1-bis(4-hydroxyphenyl)-1-phenyl-2,2,2-trifluoroethane (BPAPF) group (sPAR-F-chr1), respectively. The obtained polymers were characterized and evaluated by UV-Vis, 1H NMR, DSC and TGA. All the polymers exhibited good electro-optic (EO) activity. The relationship between EO coefficients (r33) and the chromophore concentration of the three polymers were also characterized and discussed. There were no obvious differences found in EO activity between mPAR-chr1 and sPAR-chr1 polyarylates with the same chromophore. The fluorinated block polyarylate sPAR-F-chr1 has the largest r33 value in these three polyarylates which is 52 pm/V at the wavelength of 1310 nm (which is almost twice the r33 value of normal polymers contained the same chormophore at the same content), when the concentration of chromophore 1 is 18wt.%. 85% of the r33 value was retained in the sPAR-F-chr1 after being heated at 85°C for 600 hours. The polymer sPAR-F-chr1, with good solubility, high Tg (above 200 °C) and side functional group at the same time, may probably be a practical NLO material. These properties make the new polyarylates have potential applications in EO devices such as EO modulators and switches.

Paper Details

Date Published: 7 March 2014
PDF: 13 pages
Proc. SPIE 8983, Organic Photonic Materials and Devices XVI, 89831P (7 March 2014); doi: 10.1117/12.2044629
Show Author Affiliations
Haohui Ren, Technical Institute of Physics and Chemistry (China)
Chengcheng Peng, Technical Institute of Physics and Chemistry (China)
Graduate Univ. of Chinese Academy of Sciences (China)
Shuhui Bo, Technical Institute of Physics and Chemistry (China)
Guofang Fan, Technical Institute of Physics and Chemistry (China)
Guangming Xu, Technical Institute of Physics and Chemistry (China)
Hui Zhao, Technical Institute of Physics and Chemistry (China)
Zhen Zhen, Technical Institute of Physics and Chemistry (China)
Xinhou Liu, Technical Institute of Physics and Chemistry (China)


Published in SPIE Proceedings Vol. 8983:
Organic Photonic Materials and Devices XVI
Christopher E. Tabor; François Kajzar; Toshikuni Kaino; Yasuhiro Koike, Editor(s)

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