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One-pot synthesis of Mn3O4/graphitic carbon nanoparticles for simultaneous nanomolar detection of Pb(II), Cd(II) and Hg(II)

Adarakatti, Prashanth Shivappa and Gangaiah, Vijaya Kumar and Banks, Craig E and Siddaramanna, Ashoka (2018) One-pot synthesis of Mn3O4/graphitic carbon nanoparticles for simultaneous nanomolar detection of Pb(II), Cd(II) and Hg(II). In: JOURNAL OF MATERIALS SCIENCE, 53 (7). pp. 4961-4973.

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Official URL: http://dx.doi.org/10.1007/s10853-017-1896-6

Abstract

In this paper, a facile one-step sucrose-nitrate decomposition method has been proposed to synthesis Mn3O4 nanoparticles (Mns)/graphitic carbon. The prepared material has been characterized by X-ray diffraction, Fourier transform infrared spectrometer, surface area analysis and transmission electron microscopy. The prepared Mns/graphitic carbon is drop-casted on glassy carbon electrode to allow the fabrication of electrochemical sensors for the simultaneous detection of Pb(II), Cd(II) and Hg(II) at nanomolar (nM) levels in aqueous solutions via differential pulse anodic stripping voltammetry. The proposed Mns/graphitic carbon sensors exhibit a wide linear range from 20 to 680 nM towards the simultaneous sensing of Cd(II), Pb(II) and Hg(II), and the corresponding limits of detection were found to be 0.48 x 10(-11), 9.66 x 10(-11) and 0.51 x 10(-11) M, respectively. The practical application of the proposed sensor is evaluated within a real battery, industrial and chrome plating effluents.

Item Type: Journal Article
Additional Information: Copy right for the this article belongs to the SPRINGER, 233 SPRING ST, NEW YORK, NY 10013 USA
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Depositing User: Id for Latest eprints
Date Deposited: 02 Mar 2018 15:04
Last Modified: 02 Mar 2018 15:04
URI: http://eprints.iisc.ac.in/id/eprint/58932

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