A new chromophore, C1, based on a similar DπA‐structure as in the FTC‐chromophore but with a hydroxyalkyl spacer perpendicular to the direction of the dipole moment was synthesized. Both chromophores and the CLD‐chromophore were used to prepare high Tg nonlinear optical vinyl polymers. The influence of the position of the spacer on the DπA‐system on the NLO response of the resulting polymers was investigated. magnified image
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Briers et al. (2007) studied this question.
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