화학공학소재연구정보센터
Journal of Industrial and Engineering Chemistry, Vol.22, 185-191, February, 2015
Biofabrication, characterization, and possible bio-reduction mechanism of platinum nanoparticles mediated by agro-industrial waste and their catalytic activity
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The present study showed biofabrication of platinum nanoparticles (Pt-NPs) using agro-industrial waste Punica granatum’s peel extract. Appearance of the broad spectrum from visible to the ultraviolet region, confirmed the biofabrication of Pt-NPs. Pt-NPs were spherical, within size range of 16.23 nm. XRD suggested the fabrication of crystalline Pt-NPs with (111) plane in predominant orientation. The negative z potential value of colloidal Pt-NPs revealed high stability. FTIR confirmed the role of hydroxyl and carbonyl groups of polyphenolic compounds of peel extract for biofabrication. The reduction of anthropogenic pollutant, 3-nitrophenol, by NaBH4 using colloidal Pt-NPs established it as an efficient ‘‘green catalyst.’’
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