Influence of the average molecular weight and the concentration of plasticizer on the orientational dynamics of chromophores in guest-host polymers

J. C. Ribierre, L. Mager, F. Gillot, A. Fort, S. Méry

研究成果: ジャーナルへの寄稿学術誌査読

8 被引用数 (Scopus)

抄録

We report experimental results obtained from dielectric spectroscopy, electro-optic, and second harmonic generation dynamics measurements on different polymers doped with nonlinear optical chromophores. The polymers considered in this work are polyvinylcarbazole plasticized by ethylcarbazole and polystyrenes with different average molecular weights. Altogether the influence of temperature, average molecular weight of the polymer host, and concentration of plasticizer on the orientational processes of chromophores is investigated and described by polymer rheology laws. Finally, these results, which identify the major role played by the average molecular weight of polymers on the orientational dynamics of chromophores, suggest another possible way of optimization for low glass transition temperature photorefractive polymers, where fast orientational response times are required.

本文言語英語
論文番号043103
ジャーナルJournal of Applied Physics
100
4
DOI
出版ステータス出版済み - 2006

!!!All Science Journal Classification (ASJC) codes

  • 物理学および天文学(全般)

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