Cao, Chaotun published the artcileQuantifying and fine adjusting the solid-state fluorescence wavelength of 1-thienyl-2-arylethylene, Recommanded Product: 1-(Chloromethyl)-4-(trifluoromethyl)benzene, the publication is Journal of Luminescence (2021), 117895, database is CAplus.
Thirty two 1-thienyl-2-arylethylene derivatives (XAEY) were synthesized and their solid-state fluorescence emission wavelengths Em (nm) were determined The effects of substituents X and Y on the fluorescence wavelengths were analyzed in detail. The quant. correlation anal. for the Em was carried out by employing the ground-state polarity parameters and excited-state parameters of the substituents X and Y. A quant. equation was obtained and its reliability was verified by the leave-one-out (LOO) method. The obtained results show: (1) For the compounds XAEY, when the group Y on the aryl group is fixed, the Em order is 2′-methyl-2-thienyl-AEY > 3-thienyl-AEY > 2-thienyl-AEY; when thienyl (X) is fixed, the Em of XAEY with electron-withdrawing group Y is longer than that of XAEY with electron-donating group Y; (2) The Em of XAEY can be finely adjusted by changing groups X and Y. That is, one can obtain a series of compounds with continuous fluorescence emission wavelength in range of 450-600 nm via selecting different groups X or Y. (3) The 2′-Me has an addnl. red shift effect on the Em of 2′- methyl-2-thienyl-AEY. The results of this paper can provide an important reference for studying theor. solid-state fluorescence emission spectra of organic compounds and designing corresponding fluorescent material mols.
Journal of Luminescence published new progress about 939-99-1. 939-99-1 belongs to chlorides-buliding-blocks, auxiliary class Fluoride,Chloride,Benzyl chloride,Benzene, name is 1-(Chloromethyl)-4-(trifluoromethyl)benzene, and the molecular formula is C8H6ClF3, Recommanded Product: 1-(Chloromethyl)-4-(trifluoromethyl)benzene.
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