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Facile, rapid and eco-friendly synthesis of platinum nanoparticles (Pt NPs) using aqueous leaves extract of Quercus glauca (Qg) has been reported for first time to detection of environmental and human toxic hydrazine. The as-synthesized Pt NPs were characterized by spectroscopic and analytical techniques. The prepared Pt NPs were around spherical in shape and the size range from 5-15 nm. The electrocatalytic performance of hydrazine has been studied by CVs and amperometric techniques. Interestingly, the Pt NPs modified GCE shows a sharp peak at a very lower onset oxidation potential -0.3 V. The fabricated hydrazine sensor showed very lower detection limit, wide linear range, good sensitivity and excellent selectivity of 7 nm, 0.01 to 283 μM, and 1.704 μA/μM/cm 2 respectively. The green synthesized Pt NPs modified GCE sensor was successfully used for the detection of hydrazine (Spiked) in various water samples.

Green Synthesis of Platinum Nanoparticles Using Extract and Its Electrochemical Oxidation of Hydrazine in Water Samples