Abstract
Al-doped SnS2 (SnS2:Al) nanopowders with 0, 5, 10 and 15 wt% Al concentrations were synthesized by a simple soft chemical route. The powders are characterized by XRD, SEM, TEM, EDX, FTIR, UV–Vis-NIR and PL studies. Thermal behavior, magnetic and antifungal properties of the synthesized powder samples was studied and the results obtained are being reported in this paper. TG-DSC studies confirm that both the undoped and doped samples become well crystallized above 320 °C. XRD studies confirm that both the undoped and doped SnS2 nanopowders exhibit hexagonal crystal structure with a strong (1 0 1) preferential growth. Lattice parameters of pure SnS2 experience contraction with Al doping. EDX spectra confirm the presence of Al in the doped samples. The PL peaks at 433 and 485 nm confirmed the presence of sulfur vacancies in the synthesized samples. Ferromagnetic behavior is observed for the SnS2:Al nanopowders. Improved antifungal efficiency is observed for the doped samples.
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