Poly (4-vinylpyridine) as the host ligand of metal-containing chromophores for second-order nonlinear optical active materials

被引:18
作者
Caruso, U
De Maria, A
Panunzi, B
Roviello, A
机构
[1] Univ Naples Federico II, Dipartimento Chim, I-80126 Naples, Italy
[2] Univ Naples Federico II, Dipartimento Sci Alimenti, I-80055 Portici, NA, Italy
关键词
metal-polymer complexes; NLO; dyes/pigments;
D O I
10.1002/pola.10386
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Two formulas of grafted polymers with metal-containing chromophores, potentially suitable for second-order nonlinear optics applications, are described. Two chromophores were obtained from a tridentate ligand coordinated to Cu(II) or Pd(II) ions. The organometallic chromophore fragments were grafted to poly(4-vinylpyridine) by the pyridinic nitrogen of the host polymer. Some qualities displayed by the new metallated polymers are remarkable: (1) a high value of the first hyperpolarizability coefficient of the chromophores, (2) a high content of the grafted chromophore in the polymers (up to 60 wt %), (3) a considerable increase in the glass-transition temperatures (up to 240 degreesC), (4) good thermal stability in air (ca. 280 degreesC), and (5) good optical transparency of the films. (C) 2002 Wiley Periodicals, Inc.
引用
收藏
页码:2987 / 2993
页数:7
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