Low temperature fluorescence spectra of atropisomeric perylene dyes |
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| Institution: | 1. Key Laboratory of Photochemical Conversion and Optoelectronic Materials and CityU–CAS Joint Laboratory of Functional Materials and Devices, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China;2. University of Chinese Academy of Sciences, Beijing 100049, China;3. School of Chemistry and Chemical Engineering, Suzhou University, Suzhou 234000, China |
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| Abstract: | The site selection spectra of highly photostable perylene fluorescent dyes at 4.2 K in a glassy matrix of three different organic solvents (ethanol, methyl tetrahydrofuran, n-butyl acetate) are presented. The spectra ofthe two isomers are identical for a given solvent and only very minute differences are detectable between different solvents. We conclude that the influence of the matrix on the fluorescence spectra is of only minor importance. The influence of the orientation in the matrix is negligible. |
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