Nickel nanoparticles supported on porous silicon flour, application as a non-enzymatic electrochemical glucose sensor

Ensafi, Ali A.; Ahmadi, Najmeh; Rezaei, Behzad

doi:10.1016/j.snb.2016.08.088

Cited by 89 publications

(30 citation statements)

References 52 publications

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“…The electrocatalytic activity of our Ni−NGr/GCE catalyst is significantly higher for glucose oxidation compared to nickel nanoparticles on porous silicon (PS) flower (Ni@PS‐CPE) using carbon paste electrode (CPE), nickel nanoparticles (NiNPs) on polyvinylpyrrolidone (PVP) stabilized graphene nanosheets (GNs) with chitosan (CS) (PVP‐GNs‐NiNPs‐CS), a glassy carbon disc electrode modified with multi‐walled carbon nanotubes and nickel (II) oxide (GC/MWCNT/NiO), chitosan‐reduced graphene oxide‐nickel nanoparticles (CS‐RGO‐NiNPs) on a screen‐printed electrode (SPE) and nano NiO modified carbon paste electrodes . However, the Ni−Co bi‐metal nanowire filled multiwall carbon nanotubes (MWCNT/Ni−Co) catalyst showed comparatively better electrocatalytic activity than our synthesized electrocatalyst, indicating the synergistic effect of nickel and cobalt on MWCNT/Ni−Co nanocomposite.…”

Section: Resultsmentioning

confidence: 99%

Nickel‐Nanoparticles on Doped Graphene: A Highly Active Electrocatalyst for Alcohol and Carbohydrate Electrooxidation for Energy Production

et al. 2018

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Nickel nanoparticles supported on nitrogen doped graphene (Ni−NGr) as highly efficient electrocatalyst were synthesized via controlled thermal annealing using a mixture of graphene oxide, nickel nitrate and uric acid. The synthesized Ni−NGr catalyst presented excellent electrocatalytic performance for ethanol, glucose and glycerol oxidation, stemming from the synergistic effects of nickel and N‐graphene. The electrocatalytic activity was enhanced by the high surface area and nitrogen‐based active sites of pyridinic and graphitic N in doped graphene. These N‐moieties enhanced the accessibility of active sites while preventing agglomeration of nickel nanoparticles on the doped graphene surface. The hybrid electrocatalyst performances were significantly improved and are suited for electrooxidation application in fuel cells.

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Section: Resultsmentioning

confidence: 99%

Nickel‐Nanoparticles on Doped Graphene: A Highly Active Electrocatalyst for Alcohol and Carbohydrate Electrooxidation for Energy Production

et al. 2018

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“…The weak peaks in the range of 2000–2300 cm −1 confirm that the outermost surface of the PSi consists of SiHx species that observed in the FT‐ IR spectra for both PSi and PSi/Bi. The only difference between these two spectra is less intense peaks in the spectra of Bi/PSi, this is due to the stabilization of Bi nanoparticles on the surface of porous silicon .…”

Section: Resultsmentioning

confidence: 99%

Bismuth Nanoparticles@Porous Silicon Nanostructure, Application as a Selective and Sensitive Electrochemical Sensor for the Determination of Thioridazine

et al. 2017

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A bismuth@porous silicon (Bi/PSi) nanostructure is fabricated and used as a new highly sensitive electrochemical sensor for measurement of thioridazine. For this purpose, commercial silicon powder is converted to porous silicon using metal‐assisted chemical etching method. Then, bismuth nanoparticles are deposited on the surface of the porous silicon that synthesized in the previous step. The effects of pH and instrumental parameters are studied on the sensor response. After optimization of the parameters, differential pulse voltammetry is used to determine sub‐micro molar amounts of thioridazine. The Linear region of the electrochemical sensor is in the range of 0.1 to 260 μmol L−1 thioridazine with a detection limit of 0.03 μmol L−1, when Bi/PSi/CNTPE is used as an electrochemical sensor. The precision and accuracy of the sensor is evaluated. The Bi/PSi/CNTPE is used as an appropriated tool for accurate measurement of low amounts of thioridazine in real samples with satisfactory results.

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“…PSi is a semiconducting material that, according to the space‐charge transfer concept in the crystalline silicon columns and the dielectric constant of the porous layers upon binding of charged molecules, is used in sensor fabrication . Furthermore, scientists have endeavored to use the capability of surface modification of nanoporous silicon for enhancing its sensing response and increasing its physical stability . In most reports, metals, metal alloys, and metal oxide nanoparticles have been employed as functionalization groups of PSi …”

Section: Introductionmentioning

confidence: 99%

“…Furthermore, scientists have endeavored to use the capability of surface modification of nanoporous silicon for enhancing its sensing response and increasing its physical stability . In most reports, metals, metal alloys, and metal oxide nanoparticles have been employed as functionalization groups of PSi …”

Section: Introductionmentioning

confidence: 99%

Cobalt nanoparticles anchored to porous silicon as a novel modifier for the construction of enzyme‐free hydrogen peroxide screen‐printed sensor

Allahnouri

Farhadi

Eskandari

et al. 2018

J Chinese Chemical Soc

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In this work, a screen‐printed carbon electrode (SPCE) was modified with a cobalt/porous silicon (Co@PSi) nanocomposite powder to develop a nonenzymatic sensor for the detection of hydrogen peroxide. The Co@PSi nanocomposite was synthesized through the chemical reaction between silicon powder in a HF/HNO3 solution and cobalt cations. In this process, cobalt nanoparticles were anchored on the porous silicon. The structure and morphology of the synthesized nanocomposite were investigated by X‐ray diffraction, Fourier transform infrared spectroscopy, X‐ray photoemission spectroscopy, energy dispersive X‐ray spectroscopy, and field‐emission scanning electron microscopy. The constructed nonenzymatic, screen‐printed sensors based on the Co@PSi nanocomposite showed perfect electrocatalytic oxidation response to hydrogen peroxide over the range 1–170 and 170–3,770 μmol/L with the limit of detection of 0.8 μmol/L. In addition, the Co@PSi‐SPCE sensor exhibited good selectivity for the determination of H2O2 in the presence of common interfering species including glucose, ascorbic acid, uric acid, dopamine, nitrate, and nitrite ions. The constructed electrochemical sensor was successfully used for the determination of H2O2 in real samples.

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Nickel nanoparticles supported on porous silicon flour, application as a non-enzymatic electrochemical glucose sensor

Cited by 89 publications

References 52 publications

Nickel‐Nanoparticles on Doped Graphene: A Highly Active Electrocatalyst for Alcohol and Carbohydrate Electrooxidation for Energy Production

Nickel‐Nanoparticles on Doped Graphene: A Highly Active Electrocatalyst for Alcohol and Carbohydrate Electrooxidation for Energy Production

Bismuth Nanoparticles@Porous Silicon Nanostructure, Application as a Selective and Sensitive Electrochemical Sensor for the Determination of Thioridazine

Cobalt nanoparticles anchored to porous silicon as a novel modifier for the construction of enzyme‐free hydrogen peroxide screen‐printed sensor

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