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Green synthesis of copper oxide nanoparticles for ...

Synthesis of CuO nanopowders by high-energy ball-milling method and investigation of their catalytic activity on thermal decomposition of ammonium perchlorate particles. J. Therm. Anal. Calorim. 2016; 123 : 1213-1224

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Simple and green synthesis of CuFe2O4–CuO nanocomposite ...

Simple and green synthesis of CuFe2O4–CuO nanocomposite using some natural extracts: photo-degradation and magnetic study of nanoparticles ... ball milling, chemical-spray ... CuO nanoparticles ...

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Green Synthesis of Copper Oxide Nanoparticles Using Aerva ...

Copper oxide nanoparticles (CuO-NPs) attracted many researchers due to their electric, catalytic, optical, textile, photonic, monofluid, and pharmacological activities that depend on the shape and size of the nanoparticles. This investigation aims copper oxide nanoparticles synthesis using Aerva javanica plant leaf extract. Characterization of ...

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International Journal of ChemTech Research

combustion route. XRD spectra confirmed the formation of single phase CuO nanoparticles. Crystallite size was found to increase with the increase in annealing temperature. Minimum crystallite size of 16 ± 1.26 nm was observed in the case of CuO nanoparticles annealed at 300°C. TEM results corroborate well with XRD results.

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Green synthesis of copper oxide nanoparticles using Citrus ...

[10] Chen D, Zhang Y, Chen B, Kang Z. Coupling effect of microwave and mechanical forces during the synthesis of ferrite nanoparticles by microwave- assisted ball milling. Ind. Eng. Chem. Res. 2013; 52: 14179–14184. [11] Iravani S, Korbekandi H, Mirmohammadi SV, Zolfaghari B. Synthesis of silver nanoparticles: chemical, physical

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Journal of Ceramic Processing Research. Vol. 16, No. 5, pp ...

conventional solid state reaction and electrospinning process. For hydrothermal synthesis, commercially available metal salts, Cu2O powder and chemically precipitated CuO nanoparticles were used as precursors. Bulk CuAlO2 samples were prepared via solid state reaction route by ball milling and high temperature sintering of CuO and Al2O3 powders.

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Plant extract mediated biosynthesis of Al2O3 nanoparticles ...

Metal oxide nanoparticles (NPs) produced by green chemistry approaches have received notable attention because of their significant physic-chemical properties and their remarkable uses in the area of nanotechnology. Currently, the sustainable improvement of synthesizing NPs by distinctive parts of plant extract has become a major focus of scientists and researchers …

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Preparation of α-Fe2O3 nanoparticles by high-energy ball ...

In fact, different protocols and strategies have been used to produce iron oxide nanoparticles in a planetary ball mill, with excellent results [10] [11][12][13][14]. In this work, Fe 2 O 3 ...

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Fabrication of novel cryomill for synthesis of high purity ...

The successful preparation of free standing metal nanoparticles with high purity in bulk quantity is the pre-requisite for any potential application. This is possible by using ball milling at cryogenic temperature. However, the most of ball mills available in the market do not allow preparing high purity metal nanoparticles by this route. In addition, it is not possible to …

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Facile Ball-Milling Synthesis of CuO/Biochar ...

1a) and agate ball-to-CuO mass ratio (Figure 1b) had little effect on RR120 adsorption onto CuO, the milling speed (Figure 1c) showed greater influences. The highest RR120 adsorption capacities under different ball-milling conditions were 65.38, 66.54, and 63.56 mg g−1at a milling time of 9 h, balls-to-CuO weight ratio of 50:1, and speed ...

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Synthesis and Characterization of Cu Nanoparticle Using ...

Synthesis and Characterization of Cu Nanoparticle Using High Energy Ball Milling Route and Compare with Scherrer Equation International Journal of Scientific Engineering and Research (IJSER) ISSN (Online): 2347-3878 Volume 2 Issue 12, December 2014 Licensed Under Creative Commons Attribution CC BY

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High-energy ball milling technique for ZnO nanoparticles ...

The major use of the conventional ball milling is to fracture the particles and to reduce the size, which is different from the newly established high energy ball milling (HEBM) method. In this new method a magnet is placed close to the cell to apply a strong magnetic pulling force on the magnetic milling balls, and therefore the impact energy ...

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'Green' synthesis of metals and their oxide nanoparticles ...

Over the last decade, novel synthesis approaches/methods for nanomaterials (such as metal nanoparticles, quantum dots (QDs), carbon nanotubes (CNTs), graphene, and their composites) have been an interesting area in nanoscience and technology [1,2,3,4,5,6,7,8,9].To obtain nanomaterials of desired sizes, shape, and functionalities, two …

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PREPARATION AND CHARACTERIZATION OF COPPER …

Figure 4. The TEM image of CuO nanoparticles Nanofluid preparation (CuO) In the experiment, nanofluid is prepared by using two-step method, dispersing nanoparticles in to the base fluid afterward magnetic stirring continuously for four to five hours. De-ionised water is used as base fluid and CuO nanoparticles are used without using any additives.

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High-energy ball milling technique for ZnO nanoparticles ...

High-energy ball milling technique for ZnO nanoparticles as antibacterial material. ... Microwave-assisted synthesis of SnO2 nanorods for oxygen gas sensing at room temperature. By Ameer Azam. Size-dependent antimicrobial properties of CuO nanoparticles against Gram-positive and -negative bacterial strains. By Ameer Azam.

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Mechanical Milling: a Top Down Approach for the Synthesis ...

Using larger diameter balls or increasing the volume fraction of Al 2 O 3 nanoparticles to 7.5% or higher allowed, synthesis of Cu-Al 2 O 3 nanocomposite powders with nanocrystalline Cu matrix.Cu and Al 2 O 3 were used as starting powders and two milling routes were used: in Route 1, the powder mixture was milled for 12 hours using 60 balls ...

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Synthesis of CuO nanopowders by high-energy ball …

12%up to now, novel nanostructures of cuo have been synthesized by chemical methods including the sol–gel route [ 18 ], chemical spray pyrolysis [ 19 ], gel hydrothermal oxidation, ionic liquid-assisted [ 20 ], hydrothermal [ 21 ], polymeric citrate [ 22 ], the reverse micellar [ 23 ], annealing [ 24 ], solvothermal [ 5 ], alcohol-thermal [ 25] and …

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A green synthesis of copper oxide nanoparticles by ...

Microwave-assisted synthesis and electrochemical properties of urchin-like CuO micro-crystals. Solid State Sci., 13, 2137–2141. 3. Rahnama A., Gharagozlou M. (2012). Preparation and properties of semiconductor CuO nanoparticles via a simple precipitation method at different reaction temperatures. Opt. Quant. Electron., 44, 313–322. 4.

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High energy ball milling process for nanomaterial synthesis

The synthesis of nanostructured metal oxides for gas detection is one of the most promising applications of high-energy ball milling. Some significant works have been reported in recent years. Jiang et al. prepared metastable a- Fe 2 O 3 −MO 2 (M: Ti and Sn) solid solutions by high-energy milling for C 2 H 5 OH detection.

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Mechanochemical Synthesis of CuO/MgAl2O4 and MgFe2O4 ...

The synthesis procedure of CuO/MgAl 2 O 4 and CuO/MgFe 2 O 4 nanocatalysts is shown in Figure 10. As can be seen, for the synthesis of MgAl 2 O 4 spinel, stoichiometric amounts of MgO and Al 2 O 3 were mixed by high speed ball milling (E max model, Retsch, Haan, Germany) at 900 rpm for 1 h. Then, the obtained mixture of oxides was calcined in a ...

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Green copper oxide nanoparticles for lead, nickel, and ...

Environmentally friendly copper oxide nanoparticles (CuO NPs) were prepared with a green synthesis route without using hazardous chemicals. Hence, the extracts of mint leaves and orange peels were ...

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Ball milling as a mechanochemical technology for ...

Mechanochemical synthesis of nano-biochar by ball-milling technology is gaining attention for the sake of its low-cost and eco-friendly nature. Ball milling as a non-/less-solvent technology can propel environmental sustainability and waste valorization into engineered biochar for advanced applications.

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Nanoparticles: biosynthesis, translocation and role in ...

The role of NPs in commercial products and industrial applications has increased significantly. A large quantity and variety of naturally occurring NPs are distributed throughout the atmosphere, oceans, aquatic ecosystems, soil and most living organisms [3-5].Interaction between NPs and biological systems requires extensive molecular study, which is a relatively …

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SYNTHESIS AND CHARACTERIZATION OF CERIA, CERIA- …

synthesis routes and characterization of nanoparticles is a general issue faced by ... processes include high energy ball milling, inert gas condensation, arc discharge, laser ablation, ion sputtering, wire explosion, etc. ... nanoparticles including CuO, TiO2 and Nano-

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tio2 nanoparticles by high energy ball mill

Novel mechanochemical synthesis of fine FeTiO3 nanoparticles by a . May 31 2010 speed ball milling with steel balls and TiO2 nanoparticles is reported The pure FeTiO3 nanoparticles collision energy in the ball milling process the surface of the steel balls by employing high speed ball milling The raw

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Green Synthesis of Copper Nanoparticles, Characterization ...

Greener synthesis of CuO nanoparticles for enhanced development of latent fingerprints. Materials Today: Proceedings. 2020;22365. Varghese B, Kurian M, Krishna S, Athira TS. Biochemical synthesis of copper nanoparticles using Zingiber officinalis and Curcuma longa: Characterization and antibacterial activity study.

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Solvent-Free Mechanochemical Synthesis of ZnO ...

A detailed investigation is presented for the solvent-free mechanochemical synthesis of zinc oxide nanoparticles from ε-Zn(OH) 2 crystals by high-energy ball milling. Only a few works have ever explored the dry synthetic route from ε-Zn(OH) 2 to ZnO. The milling process of ε-Zn(OH) 2 was done in ambient conditions with a 1:100 powder/ball mass ratio, …

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Experimental stability analysis of different water-based ...

This method proved to be more effective than the ball milling method in reducing aggregates. However, in terms of stability, for CuO nanoparticles, the results are similar to those obtained by ball milling method, since they could not be measured after 15 days, because of particle precipitation, as highlighted by visual observation.

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Facile Ball-Milling Synthesis of CuO/Biochar ...

Facile Ball-Milling Synthesis of CuO/Biochar Nanocomposites for Efficient Removal of Reactive Red 120 With the goal of improving the removal of anionic contaminants, copper oxide (CuO)-modified biochar (BC) nanocomposites were successfully prepared through simply ball milling CuO particles with BC.

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Nanoparticle: An overview of preparation and characterization

Three dimension nanoparticles Fullerenes (Carbon 60): Fullerenes are spherical cages containing from 28 to more than 100 carbon atoms, contain C 60. This is a hollow ball composed of interconnected carbon pentagons and hexagons, resembling a soccer ball. Fullerenes are class of materials displaying unique physical properties.

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Synthesis of CuO Nanoparticles and Study on their ...

In this research, CuO nanoparticles were synthesized by the planetary ball mill method. At different milling times, CuO nanoparticles with different particle sizes were synthesized. Effect of the specifications of CuO nanoparticles on AP decomposition was also investigated. 2. EXPERIMENTAL 2.1. Materials

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DOISerbia - Synthesis of CuO nanoparticles for catalytic ...

In this study, copper oxide (CuO) nanoparticles were successfully prepared by ultrasound-assisted ball milling at a low temperature using Cu(CH3COO)2 as raw material. The as-prepared CuO nanocrystals were characterized by X-ray diffraction, transmission electron microscopy, UV-visible spectrophotometer and fluorescence measurements.