Characterization and electrochemical properties of highly dispersed copper oxide/hydroxide nanoparticles in graphite-like carbon films prepared by RF sputtering method

You, Tianyan; Niwa, Osamu; Tomita, Masato; Andō, Hiroshi; Suzuki, Mineharu; Hirono, Shigeru

doi:10.1016/s1388-2481(02)00340-5

Cited by 88 publications

(43 citation statements)

References 26 publications

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“…1b). The increase of the anodic current at more positive potential was similar with those Cu-based electrode previously reported [25,29,30], which was ascribed to the intrinsic characteristics of copper immobilized on the electrode surface. However, the well-known characteristic copper oxide/hydroxide formation peaks at the PVP-CuNPs modified electrode were faint compared with that of the bulk copper electrode.…”

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confidence: 88%

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Preparation and Electrocatalytic Performance of Functionalized Copper‐Based Nanoparticles Supported on the Gold Surface

Liu

Tian

et al. 2006

Electroanalysis

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Copper nanoparticles (CuNPs) encapsulated by polymeric stabilizer of polyvinylpyrrolidone (PVP) (noted as PVPCuNPs) were simply prepared and used to construct an enzymeless glucose sensor on a solid substrate. Sensing and assay performance of the CuNPs-based sensor to glucose were evaluated in detail. Cyclic voltammetry (CV), chronoamperometry (I -t) and flow injection amperometry (FIA) revealed a high sensitivity, excellent stability, and good reproducibility in the glucose determination at þ 0.45 V, which was 200 mV more negative than those in former reports. A detection limit as low as 1.0 Â 10 À8 M (signal-to-noise ¼ 3) and a linear range of 1.0 Â 10 À7 M to 5.0 Â 10 À3 M were obtained in this study.

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confidence: 88%

“…For example, Luong et al incorporated copper nanoparticles into carbon nanotube (CNTS) [28] to enhance the sensitivity in determination. Niwa et al dispersed copper oxide/hydroxide nanoparticles into graphite-like carbon films by RF sputtering method [29]. The resulting glucose sensor had enhanced sensitivity and stability.…”

Section: Introductionmentioning

confidence: 99%

Preparation and Electrocatalytic Performance of Functionalized Copper‐Based Nanoparticles Supported on the Gold Surface

Liu

Tian

et al. 2006

Electroanalysis

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“…Very high reaction rates are achieved when highly dispersed nanoparticles are used for hydro cracking, coal liquefaction, etc. Copper oxide is used as an ultra dispersed catalyst (Bennici et al 2003;You et al 2002) in heavy oil upgrading. Copper oxide nanoparticles are also used in nanofluids where dispersed nanoparticles are used for increasing the thermal conductivity of fluids.…”

Section: Introductionmentioning

confidence: 99%

Preparation and characterization of copper oxide nanofluid for heat transfer applications

et al. 2013

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Copper oxide nanofluid has been prepared by single-step wet chemical precipitation method. The preparation of nanofluid is carried out by reducing copper chloride with sodium hydroxide as reducing agent in deionised water as base fluid by means of conventional heating. The characterization of sample nano powder is done by X-ray diffraction (XRD), EDXA, SEM, and TGA. The mean size of the particle was determined from the XRD pattern by using the Scherrer formula and the average particle size was found to be 20 nm. Also an increase in thermal conductivity of the prepared copper oxide nanofluid was found to be 12.4 % compared to deionised water.

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“…The oxidation of glucose in an alkaline solution at copper or copper-containing alloys is well known, although the mechanism by which this oxidation proceeds remains somewhat controversial [13][14][15][16][17][18][19]. Johnson and co-workers [14,15] in studying the oxidation of glucose at a number of copper alloys have explained the enhanced oxidation at a Mn 5 Cu 95 in terms of the Mn sites functioning as Lewis acid sites for adsorption of the polar glucose molecule, while they have interpreted the oxidation at a Ni 10 Cu 90 alloy in terms of a redox-mediated mechanism.…”

Section: Introductionmentioning

confidence: 99%

Oxidation and photo-induced oxidation of glucose at a polyaniline film modified by copper particles

Farrell

Breslin

2004

Electrochimica Acta

116

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The oxidation and photo-induced oxidation of glucose at a copper-dispersed polyaniline film was studied in an alkaline hydroxide solution. It was found that the copper-dispersed polyaniline electrode was capable of oxidizing glucose at potentials between 0.2 and 0.75 V/(Ag|AgCl), with the rate of oxidation being higher than that observed at a bulk copper electrode. On irradiation of the composite with polychromatic UV light, a further increase in the rate of the glucose oxidation reaction was observed. Formate was identified as the main product of the glucose oxidation reaction under both light and dark conditions using 1 H NMR spectrometry. This suggests that illumination does not alter significantly the reaction pathway.

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Characterization and electrochemical properties of highly dispersed copper oxide/hydroxide nanoparticles in graphite-like carbon films prepared by RF sputtering method

Cited by 88 publications

References 26 publications

Preparation and Electrocatalytic Performance of Functionalized Copper‐Based Nanoparticles Supported on the Gold Surface

Preparation and Electrocatalytic Performance of Functionalized Copper‐Based Nanoparticles Supported on the Gold Surface

Preparation and characterization of copper oxide nanofluid for heat transfer applications

Oxidation and photo-induced oxidation of glucose at a polyaniline film modified by copper particles

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