Photostable nonlinear optical polycarbonates


Faccini, Mirko and Balakrishnan, Muralidharan and Diemeer, Mart B.J. and Torosantucci, Riccardo and Driessen, Alfred and Reinhoudt, David N. and Verboom, Willem (2008) Photostable nonlinear optical polycarbonates. Journal of materials chemistry, 18 (43). pp. 5293-5300. ISSN 0959-9428

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Abstract:Highly thermal and photostable nonlinear optical polymers were obtained by covalently incorporating the tricyanovinylidenediphenylaminobenzene (TCVDPA) chromophore to a polycarbonate backbone. NLO polycarbonates with different chromophore attachment modes and flexibilities were synthesized. In spite of the high loading levels (ranging from 33.1 to 39.8 wt%), the polymers exhibit Tgs as high as 215 °C, representing a significant improvement of over 100 °C of the material $T_g$ compared with that of the guest–host system containing the same chromophore at similar high loadings. EO coefficients up to 33 pm $V^{-1}$ at 830 nm were achieved, and a good temporal stability of the dipole alignment at 50 °C was observed.
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Copyright:© 2008 Royal Society of Chemistry
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