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- W2071941172 abstract "Various types of nanosilver have been synthesized by a variety of methods, among them “arc discharge” stands with numerous advantages and calls for a much higher attention. Here, an unprecedented durable powder form of silver nanopowder (AgNP) is produced by DC arc discharge through a simple, convenient, and economical route, at a current of 5–10 A/cm2. Effects of media are probed against the quality of the resulting nanoparticles. Among eleven media explored, glycerin/water (10% w/w) is found to afford the highest yield, purity, and relatively smaller size of AgNP with the desired morphology. To our joy, the as-prepared-AgNP proves efficient in catalytic green reduction of p-nitrophenol (PNP) which is one of the most potent water pollutants. Our reduction of PNP by NaBH4 in the presence of AgNP in water is monitored by UV–Vis spectrophotometry. A provisional mechanism is proposed for this reaction which appears fast and completes in two minutes. The AgNP is characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Hence, arc discharge fabrication of durable AgNP is maximized by adapting glycerin/water as the medium of choice; and the resulting AgNP catalyzes toxic PNP conversion into p-aminophenol." @default.
- W2071941172 created "2016-06-24" @default.
- W2071941172 creator A5040319558 @default.
- W2071941172 creator A5040829180 @default.
- W2071941172 date "2014-12-01" @default.
- W2071941172 modified "2023-09-27" @default.
- W2071941172 title "Solvent effects on arc discharge fabrication of durable silver nanopowder and its application as a recyclable catalyst for elimination of toxic p-nitrophenol" @default.
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- W2071941172 doi "https://doi.org/10.1016/j.cej.2014.06.088" @default.
- W2071941172 hasPublicationYear "2014" @default.
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