Photophysical properties of di-Schiff bases: evaluating the synergistic effect of non-covalent interactions and alkyl spacers in enhanced emissions of solids
| Autor: | Madhushree Sarkar, Moyna Das, Fayaz Baig |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
chemistry.chemical_classification
Photoluminescence Quenching (fluorescence) Base (chemistry) General Chemical Engineering Hydrazine 02 engineering and technology General Chemistry Crystal structure 010402 general chemistry 021001 nanoscience & nanotechnology Photochemistry 01 natural sciences 0104 chemical sciences chemistry.chemical_compound chemistry Non-covalent interactions 0210 nano-technology Two-dimensional nuclear magnetic resonance spectroscopy Alkyl |
| Zdroj: | RSC Advances. 6:57780-57792 |
| ISSN: | 2046-2069 |
| DOI: | 10.1039/c6ra08582b |
| Popis: | Photophysical properties of di-Schiff base compounds in the solution and solid states are explored. The di-Schiff bases with alkyl spacers (ethyl, butyl and hexyl) showed enhanced light emitting properties in the solid state, while quenching was observed for di-Schiff bases with a hydrazine spacer. The photoluminescence spectra and the crystal structure were compared with bis-pyridyl-ethyl-di-imine and bis-pyridyl-butyl-di-imine. The crystal structure analysis of the compounds rationalizes the observed results. The concentration dependent 1H-NMR and NOESY spectra showed the aggregation behaviour of the compounds. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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