Several cyano-functionalized oligo(phenylenevinylene) (cyano-OPV) dyes were modified with different alkyl substituents with the objective to develop melt-processable, two-photon absorbing materials. The new dyes exhibit two-photon absorption cross-sections in the range of 400–850 GM, can be melt-processed at temperatures as low as ∼100 °C, and offer high thermal stability. The propensity of these molecules to form excimers also makes them interesting for sensor and data storage applications.
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Makowski et al. (2012) studied this question.
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