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Synthesis of nickel nanoparticles by hydrazine reduction

  • Synthesis of nickel nanoparticles by aqueous reduction in

    Jul 01, 2015· The nickel nanoparticles have been synthesized by aqueous reduction method with hydrazine hydrate in a T-shaped continuous flow microreactor at 80 °C.

  • Encapsulation of Nickel Nanoparticles in Carbon Obtained

    The synthesis of nickel nanoparticles by hydrazine reduction. Advanced Powder Technology 2010, 21 (2) , 165-168. DOI: 10.1016/j.apt.2009.10.012. Synthesis of nickel nanoparticles and carbon encapsulated nickel nanoparticles supported on carbon nanotubes.

  • Characterization and Growth Mechanism of Nickel Nanowires

    Nickel linear nanostructures were synthesized by reduction of nickel formate with hydrazine hydrate in ethylene glycol medium in the absence of any surfactants or capping agents for direction of the particles growth. The effect of the synthesis conditions such as temperature, reduction time, type of polyol, and nickel formate concentration on the reduction products was studied.

  • Synthesis of nickel and nickel hydroxide nanopowders by

    Jan 01, 2014· For nickel nanoparticles, chemical synthesis using hydrazine reduction has been a successful synthesis route [17-19]. While nickel nanoparticles are advantageous for certain uses, nickel hydroxide also has many important technological uses. Nickel hydroxide is used for battery, photocatalysis, and fuel cell applications [20, 21].

  • On the Preparation of Nickel Nanoparticles by Chemical

    prepared Ni nanoparticles by hydrazine reduction in ethylene glycol without soluble polymer as a protective agent. Kim et al [10] discussed the effect of the kind of alcohol and volume ratio of alcohol on the reduction of nickel salt by hydrazine in aqueous solution. To enhance the reaction of chemical reduction of NiCl 2

  • Synthesis of nickel nanoparticles in aqueous cationic

    The synthesis of nickel nanoparticles by the reduction of nickel chloride with hydrazine in an aqueous solution of cationic surfactants CTAB/TC 12AB was studied. It was found that an appropriate amount of NaOH, trace acetone, and an elevated temperature were necessary for the formation of pure nickel nanoparticles. Also, it

  • A Study on Synthesis of Nickel Nanoparticles Using

    Abstract: Chemical reduction technique is one of the easiest methods for synthesizing nickel nanoparticles in low temperature ranges. The patents claimed different types of reducing agents like primary amines, organic amines hydrazine hydrate, sodium borohydride etc. Ether, polyols like ethylene glycol, diethylene glycol and triethylene glycol could be used as solvents and compounds like

  • The synthesis of nickel nanoparticles by hydrazine

    A pure metallic nickel nanoparticle, spherical in shape, has been successfully synthesized by the chemical reduction of nickel chloride with hydrazine at room temperature without any protective

  • Synthesis and Characterization of Pure Ni and Ni-Sn

    Feb 21, 2017· The present research focused on the synthesis of Ni and Ni-Sn nanoparticles via a chemical reduction method using hydrazine hydrate. The syntheses were performed applying highly purified water or diethylene glycol as solvent. The produced nanoparticles were characterized by scanning electron microscopy and powder X-ray diffraction. The as-synthesized Ni-Sn nanoparticles

  • Research Article Synthesis of Nickel and Nickel Hydroxide

    hydrazine reduction has been a successful synthesis route While nickel nanoparticles are advantageous for certain uses, nickel hydroxide also has many important

  • Synthesis of nickel nanoparticles by hydrazine reduction

    The continuous synthesis of nickel nanoparticles (NiNPs) in a static microchannel T-mixer by the reduction of NiCl 2 ·6H 2 O in the presence of ethylene glycol without a stabilizing/capping agent was investigated. The nanoparticles were formed in accordance with the modified polyol process with hydrazine used as a reducing agent and NaOH as a catalyst for nanoparticle formation.

  • A Novel Chemical Reduction Route towards the Synthesis of

    Pure metallic nickel nanoparticles, spherical shape have been successfully synthesized by the chemical reduction of nickel chloride with hydrazine at room temperature without any protective agent and inert gas protection. X-ray diffraction (XRD), scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS) were employed to characterize the nickel nanoparticles and of

  • Synthesis and characterization of nickel nanoparticles by

    The synthesis of nickel nanoparticles by the hydrazine reduction of nickel chloride in ethylene glycol at 60 degrees C without soluble polymer as a protective agent was studied. It was found that

  • Synthesis of nickel nanoparticles by hydrazine reduction

    Mar 14, 2012· One of the earliest reports on NiNPs synthesis via polyol process was done by Fievet et al. (1989) using a Ni (OH) 2 precursor. Wu (2003) reported the synthesis of 9.2 nm NiNPs by the hydrazine reduction of a nickel chloride precursor in the presence of ethylene glycol.

  • A Study on Synthesis of Nickel Nanoparticles Using

    Present work deals with the synthesis of nickel nanoparticles by chemical reduction technique using hydrazine hydrate as reducing agent. The precursor used in this work was nickel chloride hexahydrate.

  • Synthesis of FeNi3 Alloyed Nanoparticles by Hydrothermal

    Jun 28, 2006· The present paper presents a facile and low-cost hydrothermal method to synthesize stoichiometric FeNi3 alloy nanoparticles by reducing Ni(NO3)2·6H2O and Fe(NO3)2·9H2O with hydrazine hydrate in strong alkaline media. X-ray diffraction patterns of as-prepared samples synthesized at 180 °C for different hydrothermal reaction times reveal that the products are pure

  • PhD Thesis SYNTHESIS, CHARACTERIZATION AND

    NICKEL NANOPARTICLES 1.7.1 Synthesis of Metallic Nanoparticles 14 1.7.2 Influences of Reduction Reagents 15 ions in the presence of 0.018 M hydrazine (0.2 ml, 0.3 ml and 0.4 ml of 0.01 M) left side peaks from below to above and untreated sample of Ni solution on right. 70

  • Chemical reduction technique for the synthesis of nickel

    Chemical reduction technique was used to synthesize nickel powder using hydrazine hydrate as reducing agent, nickel chloride hexahydrate as precursor and polyvinylpyrrolidone (PVP) as capping agent in ethylene glycol medium.

  • Synthesis of Nickel Nanoparticles in Water-in-Oil

    Apr 05, 2000· The synthesis of nickel nanoparticles by the reduction of nickel chloride with hydrazine in the cationic water-in-oil microemulsions of water/CTAB (cetyltrimethylammonium bromide)/ n -hexanol at 73 °C has been studied.

  • Synthesis of nickel nanoparticles by hydrazine reduction

    Keywords Nickel Nanoparticles Hydrazine Continuous synthesis XRD and TEM Introduction Metal nanoparticles have received considerable atten-tion due to their interesting size-dependent optical, electronic, magnetic (Willard et al. 2004), thermal (Jiang et al. 2003), and catalytic properties, compared with corresponding bulk metals. In particular

  • (PDF) Nanosized nickel powders synthesized by a reduction

    The synthesis of nickel nanoparticles by the hydrazine reduction of nickel chloride in ethylene glycol at 60 degrees C without soluble polymer as a protective agent was studied. It was found that

  • Synthesis of nickel nanoparticles by hydrazine reduction

    The nanoparticles were formed in accordance with the modified polyol process with hydrazine used as a reducing agent and NaOH as a catalyst for nanoparticle formation. The reaction mechanism for

  • The synthesis of nickel nanoparticles with controlled

    nanoparticles, nanostars and microflowers. In the synthesis, spherical nickel-metal nanoparticles were prepared by the thermal decomposition of Ni-hydrazine complexes and subsequent reduction of Ni ions. The following procedure describes the synthesis of nickel nanoparticles. First, nickel acetate (0.1 mol) aqueous solution was heated to 50 ºC

  • Synthesis of nickel metal nanoparticles via a chemical

    Apr 27, 2013· The chemical reduction method is a simple procedure and also is the best one in the controlling of composition, size, and shape of Ni powder. The reduction of nickel complexes into the metallic Ni powder occurs via the dissociation of complexes and reduction by

  • Synthesis of Nickel Nanoparticles Via Non-Aqueous Polyol

    reduction (Grisaru et al. 2003), and the synthesis of Ni nanoparticles at 60°C as reported by Chen and Wu (2003). To the best of our knowledge, there are still no reports on the synthesis of Ni nanoparticles in as fast as 15 min. It can be considered to be a very short reaction time if compared

  • Synthesis of nickel nanoparticles by hydrazine reduction

    Synthesis of nickel nanoparticles by hydrazine reduction: mechanistic study and continuous flow synthesis The continuous synthesis of nickel nanoparticles (NiNPs) in a static microchannel T-mixer by the reduction of NiCl2·6H2O in the presence of ethylene glycol without a stabilizing/capping agent was investigated.

  • Synthesis and characterization of nickel nanoparticles by

    Mar 01, 2003· The synthesis of nickel nanoparticles by the hydrazine reduction of nickel chloride in ethylene glycol at 60 degrees C without soluble polymer as a protective agent was studied. It was found that an appropriate amount of NaOH was necessary for the formation of pure nickel nanoparticles.

  • Synthesis of nickel nanoparticles with uniform size via a

    May 31, 2008· Well dispersed nickel nanospheres with uniform size were synthesized via a modified hydrazine reduction route without any surfactant introduced. Ethanol was used as solvent and played the complementary reducing role. The surface of the particles is

  • (PDF) Synthesis of Dendritic Nano-Sized Nickel for use as

    Dendritic nano-sized nickel nanoparticles were synthesised using a hydrazine reduction method in ethylene glycol from a nickel chloride precursor. The resulting particles were characterised by X-ray diffraction (XRD), scanning electron microscopy

  • Synthesis of nickel nanoparticles by hydrazine reduction

    Mar 14, 2012· The continuous synthesis of nickel nanoparticles (NiNPs) in a static microchannel T-mixer by the reduction of NiCl2·6H2O in the presence of ethylene

  • Templated Synthesis and Chemical Behavior of Nickel

    Nov 20, 2013· Using a combination of wet chemical synthesis, optical (infrared), and structural characterization methods (powder X-ray diffraction, scanning and transmission electron microscopy), we have investigated four paths to access 1D nickel nanostructures: (1) direct chemical reduction of a self-assembled nickelhydrazine coordination complex, (2

  • Synthesis of Nickel and Nickel Hydroxide Nanopowders by

    For nickel nanoparticles, chemical synthesis using hydrazine reduction has been a successful synthesis route [1719]. While nickel nanoparticles are advantageous for certain uses, nickel hydroxide also has many important technological uses. Nickel hydroxide is used for battery, photocatalysis,andfuelcellapplications[ 20,21].Depending

  • (PDF) Synthesis of nickel metal nanoparticles via a

    Among those methods, the chemical reduction of nickel compounds by a reducing agent in aqueous solution has Keywords Nickel nanoparticle u0002 Hydrazine u0002 been investigated [5, 6]. Chemical reduction is frequently Magnetization u0002 Alkylamine u0002 Nickel complexes used in the preparation of metal powders.

  • Preparation of Nickel Nanoparticles by Intramolecular

    The nickel nanoparticles have particle size distributions ranging from 10 to 75 nm. This work presents a novel approach in the intramolecular redox reactions in the solid state, and provides insight into the synthesis of metal nanoparticles via metal hydrazine complexes at room temperature.

  • Chemical reduction technique for the synthesis of nickel

    Apr 10, 2015· Synthesis of nickel nanoparticles using two different molar ratios of hydrazine hydrate to nickel chloride hexahydrate at three different concentrations of PVP

  • Synthesis and characterization of nickel nanoparticles by

    Mar 15, 2003· The synthesis of nickel nanoparticles by the hydrazine reduction of nickel chloride in ethylene glycol at 60 degrees C without soluble polymer as a protective agent was studied. It was found that an appropriate amount of NaOH was necessary for the formation of pure nickel nanoparticles.

  • Synthesis of nickel nanoparticles in aqueous cationic

    The synthesis of nickel nanoparticles by the reduction of nickel chloride with hydrazine in an aqueous solution of cationic surfactants CTAB/TC 12 AB was studied. It was found that an appropriate amount of NaOH, trace acetone, and an elevated temperature were necessary for the formation of

  • The synthesis of nickel nanoparticles by hydrazine reduction

    Mar 01, 2010· A pure metallic nickel nanoparticle, spherical in shape, has been successfully synthesized by the chemical reduction of nickel chloride with hydrazine at room temperature without any protective agent and inert gas protection.

  • Synthesis of nickel nanoparticles in aqueous cationic

    The synthesis of nickel nanoparticles by the reduction of nickel chloride with hydrazine in an aqueous solution of cationic surfactants CTAB/TC 12 AB was studied. It was found that an appropriate amount of NaOH, trace acetone, and an elevated temperature were necessary for the formation of

  • Synthesis of nickel nanoparticles with fcc and hcp crystal

    The nickel nanoparticles were synthesized by the reduction of nickel nitrate hexahydrate and in the presence of vegetable oil at 170 °C. The material synthesized without vegetable oil was found to be a mixture of nickel and nickel oxides. This shows the significance of vegetable oil as stabilizing agent for nickel nanoparticles.

  • Synthesis of nickel nanoparticles by chemical and green

    The chemical preparation of NP may be harmful. Thus, in this study, the biological activity and toxicology of nickel nanoparticles (NiNP) synthesized through chemical and green routes were compared. Chemical synthesis of NiNP was mediated by polyethylene glycol and hydrazine hydrate as stabilizing and reducing agent, respectively.

  • Synthesis and characterization of nickel nanoparticles by

    Mar 15, 2003· Nickel nanoparticles have been synthesized by the hydrazine reduction of nickel chloride in ethylene glycol at 60 °C without soluble polymer as a protective agent. It was found that the addition of trace NaOH was necessary and no extra nitrogen gas was required to create an inert atmosphere.

  • Surfactant-free synthesis of nickel nanoparticles in near

    Nickel nanoparticles have been produced by combining two well-tested methods: (i) the continuous flow supercritical reactor and (ii) the reduction of a nickel salt with hydrazine. The normal precipitation of a nickel-hydrazine complex, which would complicate pumping and mixing of the precursor, was controlled by the addition of ammonia to the precursor solution, and production of nickel

  • Synthesis of nickel metal nanoparticles via a chemical

    Synthesis of nickel metal nanoparticles via a chemical reduction of nickel ammine and alkylamine complexes by hydrazine S. A. Kahani H. Molaei Received: 22 December 2012/Accepted: 15 April 2013/Published online: 27 April 2013 Iranian Chemical Society 2013 Abstract Nickel nanoparticles were prepared from their coordination compounds, such as

  • Synthesis and characterization of nickel nanoparticles by

    Synthesis and characterization of nickel nanoparticles by hydrazine reduction in ethylene glycol Wu, Szu-Han; Chen, Dong-Hwang; Abstract. Publication: Journal of Colloid and Interface Science. Pub Date: March 2003 DOI: 10.1016/S0021-9797(02)00135-2 Bibcode: 2003JCIS..259..282W


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