科研之友
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摘要
Three modes of emission, with different intensities and wave-lengths were observed in tetraphenylethylenetetraamide 1 depending on the solvent, concentration and continuous irradiation with light, where intermolecular hydrogen bonds between amide units played a significant role. Limitation of the motility of molecule 1 in the excited state by intermolecular hydrogen bonding is the key for observation of fluorescence even in the solution and transformation to the corresponding 9,10-diphenyl-phenanthrene derivative.
- 出版日期2016
