Study of the effect of the introduction of Tris(bipyridine)ruthenium(II) chloride into silicon dioxide particles by spectrofluorometry methods
| Autor: | Olga Lu, Arthur Mantel, Irina Barashkova, Svetlana Mendigaliyeva, N. N. Barashkov, Anuar Aldongarov, Akbota Yensebayeva, Irina Irgibayeva |
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| Rok vydání: | 2020 |
| Předmět: |
Tris
Silicon dioxide chemistry.chemical_element 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology Photochemistry 01 natural sciences Chloride Fluorescence Atomic and Molecular Physics and Optics 0104 chemical sciences Analytical Chemistry Ruthenium chemistry.chemical_compound Bipyridine chemistry Tris(bipyridine)ruthenium(II) chloride medicine 0210 nano-technology Instrumentation Spectroscopy Excitation medicine.drug |
| Zdroj: | Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy. 246 |
| ISSN: | 1873-3557 |
| Popis: | The Stoeber reaction was used to grow silica microparticles in the presence of the fluorescent dye Tris(bipyridine)ruthenium (II) chloride. The diameter of the obtained particles varies from about 150 to 280 nm depending on the dye concentration. Using spectrofluorometry methods, concentration quenching of fluorescence of dye solutions was studied before and after growing the microparticles. It was found out that the concentration quenching of fluorescence decreases significantly after its incorporation into the silicon dioxide microparticles upon excitation in the short-wavelength region of the spectrum. |
| Databáze: | OpenAIRE |
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