| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1233863 | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy | 2008 | 6 Pages |
Abstract
How solvent conditions such as solvent polarity and hydrogen-bonding affect the fluorescence of a newly synthesized 3-pyrazolyl 2-pyrazoline derivative (Pyz) having pharmaceutical activity has been explored. The solvatochromic effect of Pyz is due to a change in dipole moment of the compound in the excited state. The relaxation of S1 state is perturbed in hydrogen-bonding solvents. The fluorescence properties of the systems are strongly dependent on the polarity of the media. The non-radiative relaxation process is facilitated by an increase in the polarity of the media. The photophysical response of Pyz in different solvents has been explained considering solute–solvent interactions.
Related Topics
Physical Sciences and Engineering
Chemistry
Analytical Chemistry
Authors
Smritimoy Pramanik, Paltu Banerjee, Arindam Sarkar, Attreyee Mukherjee, Kumar K. Mahalanabis, Subhash Chandra Bhattacharya,