Abstract
AbstractCrosslinkable polymers with side‐chain systems were investigated in order to increase the content of nonlinear optical chromophores and improve the stability of oriented chromophores. A series of crosslinkable copolymers having varying concentrations of chromophores with tricyanofuran as an acceptor were successfully synthesized and characterized. The crosslinked electro‐optic (EO) polymers revealed the highest EO coefficient (r33) of 47.0 pm V−1 at 1310 nm, which was similar to r33 of uncrosslinked systems. Compared to the uncrosslinked EO polymer systems, the crosslinked ones exhibited significantly enhanced temporal stability. The results of the EO coefficients and thermal properties indicated that the crosslinking effectively improved the stability and did not influence the r33 values. Copyright © 2012 Society of Chemical Industry
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