作者
Khaled Muftah Elsherif, ASHRAF EL-HASHANI, ABDELMENEIM EL-DALI, OTMAN DAKHIL, ADEL NAJAR, MOHAMED ALGERIANI
发表日期
2014
期刊
Chemical Science
卷号
3
期号
3
页码范围
1221-1227
简介
The synthesis and absorption spectroscopy of the bichromophore 1-[(2-naphthyl) methyl]-3-(2-pyridyl)-1H-pyrazole (NPP) are reported. The absorption spectra of NPP have been studied in mixed solvents, in which the spectra shows two main peaks due to π→ π* transition. The positions and intensities of the absorption band of NPP are sensitive to the solvent polarity. The spectral shifts are attributed to solvent-solute interactions in terms of hydrogen bonding effects. However, it is frequently found, that the dielectric properties of polar mixtures observe influence on wavelength of maximal absorption and the absorption intensity.
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