Es-Souni, Morphology and property control of NiO nanostructures for supercapacitor applications. Mishra, Fourier transform infrared spectrophotometry studies of chromium trioxide-phthalic acid complexes. Banks, Determination of the electrochemical area of screen-printed electrochemical sensing platforms. Derek Woollins, Inorganic Experiments, 3rd revised edn. Bonzi-Coulibaly, Cyclic voltammetry and reduction mechanistic studies of Styrylpyrylium perchlorates. Park, Optimization of nickel oxide-based electrochromic thin films. Warad, One step synthesis of NiO nanoparticles via solid-state thermal decomposition at low-temperature of novel aqua(2,9-dimethyl-1,10-phenanthroline)NiCl 2 complex. Al-Marzoukia, Structure and optical properties of nanocrystalline NiO thin film synthesized by sol–gel spin-coating method. Jha, Dopamine biosensor based on surface functionalized nanostructured nickel oxide platform. El-Mehasseb, Nickel oxide nanoparticles: synthesis and spectral studies of interactions with glucose. Kheiri, Sol-gel derived nanostructured nickel oxide films: effect of solvent on crystallographic orientations. Prakash, Nano-structured nickel oxide based DNA biosensor for detection of visceral leishmaniasis (Kala-azar). Srivastava, NiO-based nanostructures with efficient optical and electrochemical properties for high-performance nanofluids. Subramanian, Electroanalytical detection of Cr(VI) and Cr(III) ions using a novel microbial sensor. Hong, Yuehelin, Voltammetric detection of Cr(VI) with disposable screen-printed electrode modified with gold nanoparticles. Tjokronegoro, Cyclic voltammetric study of Chromium(VI) and Chromium(III) on the gold nanoparticles-modified glassy carbon electrode. Baghayeri, A voltammetric sensor based on NiO nanoparticle-modified carbon-paste electrode for determination of cysteamine in the presence of high concentration of tryptophan. Jayatissa, Enhancement of hydrogen gas sensing of nanocrystalline nickel oxide by pulsed-laser irradiation. Dempsey, A practical beginner’s guide to cyclic voltammetry. Ng, Determination of chromium (III) by differential pulse stripping voltammetry at a chitosan–gold nanocomposite modified screen printed electrode. Yan, Recent advances in electrochemical detection of toxic Cr(VI). Mugadza, Chromium, an essential nutrient and pollutant: a review. Chen, Voltammetric study and electrochemical detection of hexavalent chromium at gold nanoparticle-electrodeposited indium tinoxide (ITO) electrodes in acidic media. The results suggested the efficacy of synthesized NiO nanoparticles for the detection of heavy metal ion via electrochemical techniques. Atomic Absorption spectroscopy was applied for the quantitative determination of the metal. The obtained experimental data were compared with the theoretical calculations using the Randles–Servick equation.
Oxidation and reduction potentials were studied and it reflected a diffusion controlled process. The effect of varying concentration of chromium at different scan rate was studied in a three-electrode system with hydrochloric acid as electrolyte within a potential window from − 0.4 to − 0.8 V. The synthesized nanoparticles were characterized using X-ray diffraction, Fourier Transform Infrared Spectroscopy and UV–Vis Spectroscopy.
The sol–gel synthesized Nickel Oxide (NiO) nanoparticles were coated onto the fluorine doped tin oxide plate used as a working electrode for the heavy metal detection. We report the detection of toxic heavy metal ion Chromium(VI) through a simpler cyclic voltammetry study.
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