Fabrication of CdSe quantum dots @ nickel hexacyanoferrate core–shell nanoparticles modified electrode for the electrocatalytic oxidation of hydrazine
作者： A. Kalaivani , S. Sriman Narayanan
DOI: 10.1007/S10854-018-0147-1
关键词:
摘要: We have reported an efficient method to immobilize the electroactive nickel hexacyanoferrate (NiHCF) on CdSe quantum dots (QDs). QDs @ NiHCF core–shell nanoparticles (NPs) were successfully synthesized and characterized using Fourier transform infrared spectroscopy transmission electron microscopy. A simple, stable reproducible NPs modified electrode has been constructed as a sensing platform for electrochemical determination of hydrazine. The behavior was studied by cyclic voltammetry impedance spectroscopy. Under optimal condition exhibits well defined redox peaks at formal potential 0.31 V which corresponds reaction (II/III) NiHCF. sensor showed enhanced electrocatalytic activity towards oxidative hydrazine in concentration range 1.6–1300 µM with detection limit 0.5 µM. tested analysis real samples, makes it useful practical area environmental applications.
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