Size-controlled synthesis of CoCO3 and Co3O4 nanoparticles by free-surfactant hydrothermal method

Nassar, Mostafa Y.

doi:10.1016/j.matlet.2012.12.039

Cited by 89 publications

(47 citation statements)

References 18 publications

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“…The spectra in Fig. 8 show, also, very weak absorptions at 940 and 1043 cm −1 , which are assigned to CoCO 3 [ 49,50]. Another weak absorption appear at 998 cm, which could be related to δ(M-OH) bending mode [50].…”

Section: Effect Of Microwave Power On the Physicochemical Properties mentioning

confidence: 84%

Effect of microwave power on the thermal genesis of Co3O4 nanoparticles from cobalt oxalate micro-rods

Abu-Zied

Bawaked

Kosa

et al. 2015

Applied Surface Science

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Section: Effect Of Microwave Power On the Physicochemical Properties mentioning

confidence: 84%

Effect of microwave power on the thermal genesis of Co3O4 nanoparticles from cobalt oxalate micro-rods

Abu-Zied

Bawaked

Kosa

et al. 2015

Applied Surface Science

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“…The reaction blend was transferred into a Teflon-lined stainless steel autoclave with a capacity of 100 mL which was then hydrothermally treated at 160°C for 24 h. The pink precipitate of the product CoCO 3 was washed and dried in an oven at 60 for 24 h. The prepared CoCO 3 was calcined in air at 300°C for 2 h in air to produce nanoparticles of Co 3 O 4 [11].…”

Section: Synthesis Of Co 3 O 4 Nanoparticlesmentioning

confidence: 99%

Sonochemical method for synthesizing Co3O4/graphene nanocomposites for use as counter electrode in dye-sensitized solar Cells

Kamar

Reda

2016

Appl. Phys. A

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Co 3 O 4 /graphene nanocomposites were synthesized via sonochemical method, and its application as a counter electrode (CE) for dye-sensitized solar cell (DSSC) was demonstrated. The prepared Co 3 O 4 /graphene nanocomposites were characterized by X-ray diffraction, scanning electron microscopy, and UV-Vis absorption spectroscopy. The results of SEM showed that Co 3 O 4 nanoparticles deposited on the graphene sheets as spacers to keep the neighboring sheets separated. The Co 3 O 4 have diameters ranging from 16 to 43 nm. The influence of the Co 3 O 4 content on the photovoltaic performance of dyesensitized solar cell was investigated. It was found that the performances of Co 3 O 4 /graphene composites are better than that of graphene-based DSSCs. The Co 3 O 4 /graphene composite CE with 80 % Co 3 O 4 content exhibits the best conversion efficiency (PCE) of 2.1 %.

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“…As for the Co 3 O 4 nanoplate precursor, a phase of CoCO 3 (JCPDS: 11-0692) is detected. These results suggest that the anions have a significant influence on the precursor formation due to the unique space-structure effect [25]. During heat treatment, the precursors decompose to oxide and release gas, which results in the formation of porous nanostructures [26].…”

Section: Resultsmentioning

confidence: 96%

Controlled Synthesis of Porous Co₃O₄ Nanostructures for Efficient Electrochemical Sensing of Glucose

Luo

Liu

et al. 2019

Journal of Nanomaterials

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A shape-controlled strategy was developed to synthesize porous Co3O4 nanoparticles, and the delicate morphology including nanourchins, nanowires, nanoflowers, and nanoplates could be well adjusted by adopting different anion precursors. The Co3O4 nanomaterials were further applied as the electrocatalysts for glucose detection, and the effect of nanostructure on the electrochemical performance was investigated. Results show that Co3O4 nanourchins illustrate the highest glucose sensitivity of 565 mA mM-1 cm-2 and a good linear detection ranging from 20 μM to 0.25 mM. The improved performance of obtained products was originally from the large surface area and high pore volume, which leads to a significantly increased accessibility of reactant and decreased Faradic electron transfer resistance, making it a promising candidate for glucose sensing.

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Size-controlled synthesis of CoCO3 and Co3O4 nanoparticles by free-surfactant hydrothermal method

Cited by 89 publications

References 18 publications

Effect of microwave power on the thermal genesis of Co3O4 nanoparticles from cobalt oxalate micro-rods

Effect of microwave power on the thermal genesis of Co3O4 nanoparticles from cobalt oxalate micro-rods

Sonochemical method for synthesizing Co3O4/graphene nanocomposites for use as counter electrode in dye-sensitized solar Cells

Controlled Synthesis of Porous Co₃O₄ Nanostructures for Efficient Electrochemical Sensing of Glucose

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Size-controlled synthesis of CoCO3 and Co3O4 nanoparticles by free-surfactant hydrothermal method

Cited by 89 publications

References 18 publications

Effect of microwave power on the thermal genesis of Co3O4 nanoparticles from cobalt oxalate micro-rods

Effect of microwave power on the thermal genesis of Co3O4 nanoparticles from cobalt oxalate micro-rods

Sonochemical method for synthesizing Co3O4/graphene nanocomposites for use as counter electrode in dye-sensitized solar Cells

Controlled Synthesis of Porous Co3O4 Nanostructures for Efficient Electrochemical Sensing of Glucose

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Controlled Synthesis of Porous Co₃O₄ Nanostructures for Efficient Electrochemical Sensing of Glucose