Control of chromophore aggregation in mono- and multilayers of long-chain merocyanine dyes.
Control of chromophore aggregation in mono- and multilayers of long-chain merocyanine dyes.
复制标题
控制单层和多层长链部花青染料中的发色团聚集。
DOI：
10.1016/0021-9797(86)90422-4
复制
发表时间：
1986
影响因子：
9.9
通讯作者：
D. Möbius
中科院分区：
文献类型：
--
作者：
H. Nakahara;D. Möbius
研究了不同基质对长链花菁染料混合单层中发色团取向和聚集的控制。通过测量表面压力-面积等温线表征了水基混合单分子膜，并通过偏振吸收光谱研究了不同基质的转移层中生色团的组织情况。由于在染料与花生四烯酸或花生四酸甲酯的二元混合物中加入了十六烷，发现在恒定表面压力下，在扩散膜中十六烷的损失过程中，混合单层中的生色团发生了各向异性的聚集。这些混合薄膜在吸收光谱和荧光光谱中表现出窄而强的谱带，这可以归因于J聚集体。
Control of the orientation and aggregation of the chromophore in the mixed monolayers of long-chain merocyanine dyes with various matrices has been investigated. The mixed monolayers on water were characterized by measuring the surface pressure-area isotherms, and the organization of the chromophore in the transferred layers with different matrices was studied by measuring the polarized absorption spectra. As a result of the addition of hexadecane to the binary mixtures of the dye and arachidic acid or methyl arachidate, anisotropic aggregation of the chromophores in the mixed monolayers has been found to occur during the process of loss of hexadecane from the spread films under a constant surface pressure. These mixed films exhibit narrow and strong bands in the absorption and fluorescence spectra, which can be attributed toJaggregates.