Cobalt oxide
Copper nanofiber networked cobalt oxide composites for high performance Li ion batteries
... Cobalt oxide (CoO x ) is a high-capacity electrode mate- rial for Li-ion batteries with a theoretical capacity of at least two times greater than that of graphite ( ca ...the cobalt oxides show large ...
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Synthesis and Characterization of Cobalt Oxide and Composite Thin Films
... Abstract: Cobalt oxide and composite thin films were synthesized by spin-coating technique, followed by heating to 500°C in oxidizing, inert, or reducing ...of cobalt acetates and nitrates were ...
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Electrospinning Synthesis and Electrocatalytic Performance of Cobalt oxide/Carbon Nanofibers Nanocomposite Based PVA for Fuel Cell Applications
... of cobalt nitrate with aqueous solutions of polyvinyl alcohol (PVA) followed by high-temperature annealing ...result, Cobalt oxide nanoparticles have been formed and incorporated within carbon ...
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Effect Of Cobalt Doping On The Optical Properties Of Magnesium Cobalt Oxide Nanofilm Grown By Electrodeposition Method
... Magnesium cobalt oxide nanofilms by electrodeposition method and determining the effect of cobalt doping on the optical properties with a view to ascertaining the possible ...Magnesium oxide ...
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Structural, optical and mechanical characterisations of nanostructured copper cobalt oxide coatings synthesised via Sol-gel method for solar selective absorber
... route. Cobalt (II) acetate tetrahydrate and tetraethylorthosilicate (TEOS), respectively, were dissolved into the acidified ...the cobalt oxide from performance ...case, cobalt was ...
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Effects of Excess Cobalt Oxide Nanocrystallites on LaCoO3 Catalyst on Lowering the Light off Temperature of CO and Hydrocarbons Oxidation
... the cobalt oxide ...of cobalt oxide indicates that the cobalt component is essential for charge carrier mobility in LaCo (1+x) O (3+δ) ...excess cobalt, ...
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Cobalt Oxide Nanoparticles Supported on γ-Alumina as Catalysts in The Selective Oxidation of Alcohols in Aqueous Phase
... work, cobalt oxide nanoparticles supported on γγγγγ-alumina were prepared and were well characterized by scanning electron micrograph (SEM) and X-ray diffraction ...
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MICROWAVE PREPARATION, CHARACTERISATION AND STUDIES OF NANOSIZED COBALT OXIDE
... of cobalt oxide is made using the conducting silver paste as electrodes on both sides and is carried out by Keithly 2010 electrometer using two probe ...
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Edge Reactivity and Water Assisted Dissociation on Cobalt Oxide Nanoislands
... the cobalt oxide due to changes in the chemical state of the ...between oxide and water on edges are remarkably different from basal plane sites for simple reactions such as the dissociation ...
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Synthesis and Pressure Sensing Properties of the Pristine Cobalt Oxide Nanopowder
... Most of the sensors and physical experiments are based on thin films, pellets or crystals. Recently we studied the effect of pressure on the electric properties of pristine nanopowders by using a transducer [12, 13]. Our ...
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Solar absorptance of copper–cobalt oxide thin film coatings with nano-size, grain-like morphology: Optimization and synchrotron radiation XPS studies
... Fig. 2 shows the O 1s SR-XPS spectra of copper cobalt oxide film coating synthesized using various concentrations. The O 1s spectra exhibit a strong peak with a shoulder at a higher binding energy. The ...
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Efficient Determination of Butylated Hydroxyanisole Using an Electrochemical Sensor Based on Cobalt Oxide Nanoparticles Modified Electrode
... cycling was used for electrodeposition of cobalt oxide nanoparticles on the surface of glassy carbon electrode. The modified electrode can be used for micromolar concentration range of BHA, using ...
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Synthesis and characterization of manganese oxide and cobalt oxide nano-structure
... Aqueous precipitation is commonly used to synthesize oxides, but the powders with small size obtained by this process are often heavily aggregated. The main reason for the aggregation is caused by the absorbed water and ...
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Structural thermal stability of graphene oxide-doped copper-cobalt oxide coatings as a solar selective surface
... Please cite this article as: M. Mahbubur Rahman, Zhong-Tao Jiang, Chun-Yang Yin, Lee Siang Chuah, Hooi-Ling Lee, Amun Amri, Bee-Min Goh, Barry J. Wood, Chris Creagh, Nicholas Mondinos, Mohmmednoor Altarawneh, Bogdan Z. ...
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Investigation and Comparison of Cobalt ferrite composite nanoparticles with individual Iron oxide and Cobalt oxide nanoparticles in azo dyes removal
... and cobalt oxide photocatalysts were synthesized by a wet chemical method that FTIR and XRD analysis results confirmed the formation of CoFe 2 O 4 , FeO and Co 3 O 4 ...
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Oxidative stress contributes to cobalt oxide nanoparticles-induced cytotoxicity and DNA damage in human hepatocarcinoma cells
... Fetal bovine serum, penicillin–streptomycin, and Dulbeco’s Modified Eagle’s Medium: Nutrient Mixture F-12 (DMEM/ F-12) were purchased from Invitrogen (Carlsbad, CA, USA). Co 3 O 4 NPs, glutathione (GSH), 5, ...
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Preparation of Cobalt Oxide/Zinc Oxide Nanocomposite
... 11. kwon, C. H., Hong, H. K.,. Yun, D. H., Lee, K., Kim, S. T., Roh, Y. H., Lee, B. H., “Thick-film zinc-oxide gas sensor for the control of lean air-to-fuel ratio in domestic combustion systems”, Sensors and ...
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Efficient solar photocatalyst based on cobalt oxide/iron oxide composite nanofibers for the detoxification of organic pollutants
... nanomaterials modifies their features and characteristics. Nanocomposites generally increase numerous properties of metal oxide to fulfill the growing demand for various applications [19,20]. Semiconductors are ...
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TOXICITY DUE TO EXPOSURE OF COBALT AND ITS INORGANIC SALTS ON HUMAN AND ANIMAL
... soluble cobalt particles after inhalation ...insoluble cobalt particles after inhalation exposure appears to follow three-phase ...lung cobalt particles and has a half- time of 10–78 days [8];[32] ...
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Comparative Surface Electrochemistry of Co and Co3O4 Nanoparticles: Nitrite as an Analytical Probe
... This study described the decoration of edge plane pyrolytic graphite electrode (EPPGE) with synthesised cobalt and cobalt oxide nanoparticles. The modified electrode was characterised by techniques ...
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