Study of the preferential solvation effects in binary solvent mixtures with the use of intensely solvatochromic azobenzene involving [2]rotaxane solutes
| Autor: | Katarzyna E. Nowak, Raffaello Papadakis, Ioanna Deligkiozi |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
chemistry.chemical_classification
Rotaxane Cyclodextrin Solvatochromism Solvation 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology Condensed Matter Physics 01 natural sciences Atomic and Molecular Physics and Optics 0104 chemical sciences Electronic Optical and Magnetic Materials Solvent chemistry.chemical_compound Azobenzene chemistry Computational chemistry Materials Chemistry Physical and Theoretical Chemistry 0210 nano-technology Ethylene glycol Spectroscopy |
| Zdroj: | Journal of Molecular Liquids. 274:715-723 |
| ISSN: | 0167-7322 |
| Popis: | In this work we utilize the marked solvatochromism of two cyclodextrin (CD) containing [2]rotaxanes and their CD-free linear precursor in order to investigate preferential solvation (PS) effects in water/ethylene glycol mixtures. Two well-known models of PS are employed in order to quantify the PS and rationalize local solute-solvent and solvent-solvent effects. Structural effects among the solvatochromic probes are furthermore examined in terms of the involvement or not of a CD macrocycle and also in terms of the size of CD involved, between the two [2]rotaxanes. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Full Text from ScienceDirect