期刊
INORGANICS
卷 11, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/inorganics11030133
关键词
Ag; TiO2 composites; template induced method; methylene blue; Cr(VI); photocatalytic reduction; antifungal
The Ag/TiO2 composite photocatalysts were successfully synthesized using the template induced method and characterized by XRD, FTIR spectroscopy, SEM, and EDX. The morphology of the samples was controllable by changing the reactants' concentration and calcination temperature. The synthesized composites exhibited excellent catalytic activity in the degradation of methylene blue and reduction of Cr(VI) to Cr(III) under solar irradiation.
Water treatment through photocatalysts has become an important topic regarding environmental protection. In the present study, silver and TiO2 (Ag/TiO2) composites for photocatalysts were effectively synthesized by adopting the template induced method. The prepared samples were characterized using XRD, FTIR spectroscopy, SEM, and EDX. The constructed samples' particle size and shape were evaluated using a SEM, and the XRD patterns showed anatase crystalline phases. Their morphologies were controllable with changing concentration of reactants and calcination temperature. The synthesized composites act as catalyst in the degradation of methylene blue (MB) and reduction of Cr(VI) to Cr(III) under solar irradiation. In both of these activities, the best result has been shown by the 0.01 Ag/TiO2 composite. Methanol is used as the hole scavenger in the reduction of Cr(VI) to Cr(III). While the pH factor is important in the photocatalytic reduction of Cr(VI) to Cr(III). According to observations, S. macrospora and S. maydis were each subject to 0.01 Ag/TiO2 nanocomposites maximum antifungal activity, which was 38.4 mm and 34.3 mm, respectively. The outcomes demonstrate that both photocatalytic and antifungal properties are effectively displayed by the constructed material.
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