首页> 外文会议>Conference on Linear and Nonlinear Optics of Organic Materials III; Aug 4-6, 2003; San Diego, California, USA >Molecular quadratic nonlinear optical properties of dipolar ruthenium(Ⅱ) arsine complexes
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Molecular quadratic nonlinear optical properties of dipolar ruthenium(Ⅱ) arsine complexes

机译:偶极钌(Ⅱ)a配合物的分子二次非线性光学性质

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A series of complex salts in which trans-bis[ 1,2-phenylenebis(dimethylarsine)]chlororuthenium(Ⅱ) electron donor groups are connected to pyridyl or pyridinium electron acceptors has been prepared. The chromophores in these compounds exhibit intense, visible metal-to-ligand charge-transfer (MLCT) absorptions and reversible Ru~( Ⅲ/Ⅱ) (and also in some cases ligand-based) redox processes. Stark (electroabsorption) spectroscopic studies have been used to determine dipole moment changes for the MLCT excitations. Static first hyperpolarizabilitiesβ_0 have been calculated according to the two-state model, allowing the derivation of structure-activity correlations for the molecular quadratic nonlinear optical responses.
机译:制备了一系列复杂的盐,其中反式-双[1,2-亚苯基双(二甲基ar)]氯钌(Ⅱ)电子供体基团连接到吡啶基或吡啶鎓电子受体上。这些化合物中的发色团表现出强烈的可见金属-配体电荷转移(MLCT)吸收和可逆的Ru〜(Ⅲ/Ⅱ)(在某些情况下还基于配体)的氧化还原过程。斯塔克(电吸收)光谱研究已用于确定MLCT激发的偶极矩变化。根据二态模型计算出静态的第一超极化率β_0,从而可以推导分子二次非线性光学响应的​​结构活性相关性。

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