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Selective hydrazine sensor fabrication with facile low-dimensional Fe2O3/CeO2 nanocubes

Abstract

A facile hydrothermal technique was applied to prepare the doped Fe2O3/CeO2 nanocubes (NCs) in alkaline medium at low temperature. The calcined NCs were characterized by Fourier-transform infrared spectroscopy (FTIR), ultraviolet visible spectroscopy (UV/vis.), field emission scanning electron microscopy (FESEM), X-ray photoelectron spectroscopy (XPS), energy-dispersive X-ray spectroscopy (EDS), and powder X-ray diffraction (XRD). A chemical sensor was fabricated by glassy carbon electrode (GCE) modified with the deposition of a uniform thin layer of NCs film. The fabricated chemical sensor was used successful to detect hydrazine selectively with reliable electrochemical method at lower potential. The sensor analytical performances including good sensitivity (0.1275 µAµM-1cm-2), low detection limit (7.450.37pM), broad linear dynamic range (0.02µM0.02M), precious reproducibility, low limit of quantification (0.220.01µM) and long-term stability were investigated. An efficient hydrazine chemical sensor based on Fe2O3/CeO2 NCs/binder/GCE is developed and performed in terms of analytical sensing performances as well as validated for the environmental and extracted real samples.

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Publication details

The article was received on 11 Apr 2018, accepted on 11 May 2018 and first published on 14 May 2018


Article type: Paper
DOI: 10.1039/C8NJ01750F
Citation: New J. Chem., 2018, Accepted Manuscript
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    Selective hydrazine sensor fabrication with facile low-dimensional Fe2O3/CeO2 nanocubes

    M. M. Rahman, M. M. Alam and A. M. Asiri, New J. Chem., 2018, Accepted Manuscript , DOI: 10.1039/C8NJ01750F

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