Synthesis, spectroscopic characterization, fluorescence properties of new silver(I) complexes with optically active Schiff bases and their application in thin layers deposition
| Autor: | Andrzej Wojtczak, Magdalena Barwiolek, Edward Szłyk, Julia Sawicka, Robert Szczesny, Andrzej Surdykowski, Magdalena Babinska |
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| Rok vydání: | 2017 |
| Předmět: |
Spin coating
Thin layers Schiff base 010405 organic chemistry Chemistry Scanning electron microscope Infrared spectroscopy Crystal structure 010402 general chemistry 01 natural sciences Fluorescence Fluorescence spectroscopy 0104 chemical sciences Inorganic Chemistry Crystallography chemistry.chemical_compound Materials Chemistry Physical and Theoretical Chemistry |
| Zdroj: | Polyhedron. 135:153-160 |
| ISSN: | 0277-5387 |
| DOI: | 10.1016/j.poly.2017.07.005 |
| Popis: | Ag(I) complexes with a series of optically active Schiff bases derived from (1R,2R)(-)cyclohexanediamine and different aldehydes were obtained and characterized by 1H, 13C, NMR in a solution and in the solid state, UV–Vis, fluorescence, and IR spectroscopy. X-ray crystal structure of (1R,2R)(-)chxn(5-Br-3OCH3baH)2 (4) was solved. Moreover, intermolecular interactions in the crystal structure of (1R,2R)(-)chxn(5-Br-3OCH3baH)2 were analyzed using 3D Hirshfeld surfaces and the related 2D fingerprint plots. The obtained complexes have been used for preparation of thin layers on Si(1 1 1) to test the possibility of their use as the fluorescent materials. Thin layers of silver(I) complexes were deposited on Si(1 1 1) using the spin coating method and characterized by scanning electron microscopy (SEM/EDS), atomic force microscopy (AFM), and fluorescence spectroscopy. [Ag(1R,2R)(-)chxn(5-Br-3OCH3baH)2NO3] (4a) complex exhibited significantly increase of the fluorescence intensity in comparison with ligand (4). The fluorescence of silver complexes solutions was observed between 395 and 470 nm. For silver(I) layers, from intraligand transitions (depending on the exciton wavelengths), the most intensive bands were observed between 390 and 560 nm. The intensity of the fluorescence bands registered for the layers obtained at 1100 rpm or 2000 rpm/min and 30 s time was highest. |
| Databáze: | OpenAIRE |
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