Aggregate formation of Rhodamine 6G in anisotropic solvents.
作者信息
Gilani A G, Sariri R, Bahrpaima K
机构信息
Department of Chemistry, Faculty of Science, Gilan University, Rasht, Iran.
出版信息
Spectrochim Acta A Mol Biomol Spectrosc. 2001 Jan;57(1):155-61. doi: 10.1016/s1386-1425(00)00344-9.
Abstract
The aggregation of Rhodamine 6G in liquid crystalline solutions was studied using polarised spectroscopy and in a guest-host system based on homogeneous-homeotropic alignment. The orientation of the dye molecules (guest) was controlled using an electric field, and this enabled the contrast ratio R of the dye to be obtained by electrically switching. The excitonic treatment of the absorption spectra suggests a coplanar structure for the dimeric aggregates.
摘要
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