Time-Dependent Stokes Shift from Solvent Dielectric Relaxation |
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| Authors: | Jing Xu Quan-de Wang Quan Zhu Ke-xiang Fu Fu-cheng He and Xiang-yuan Li |
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| Institution: | College of Chemistry, Sichuan University, Chengdu 610064, China;College of Chemistry, Sichuan University, Chengdu 610064, China;College of Chemical Engineering, Sichuan University, Chengdu 610065, China;College of Chemical Engineering, Sichuan University, Chengdu 610065, China;College of Chemical Engineering, Sichuan University, Chengdu 610065, China;College of Chemical Engineering, Sichuan University, Chengdu 610065, China |
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| Abstract: | The Stokes shift response function, which is related to the time dependent solvation energy, is calculated with the dielectric response function and a novel expression of nonequilibrium solvation energy. In the derivation, relationship between the polarization and the dielec-tric response function is used. With the dipole-in-a-sphere model applied to the system coumarin 343 and water as the solvent, encouraging agreement with the experimental data from Jimenez et al. is obtained Nature 369, 471 (1994)]. |
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| Keywords: | Stokes shift Solvation energy Characteristic time |
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