Structural and morphological transformations during NiO and Ni particles generation from chloride precursor by ultrasonic spray pyrolysis

Stopić, Srečko; Ilic, Ilija; Uskoković, Dragan

doi:10.1016/0167-577x(95)00121-2

Cited by 24 publications

(9 citation statements)

References 8 publications

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“…Along with this, the level of resonant harmonization Ni, SiC, TiO 2 ) [20][21][22], not analyzed particularly in this work, show similar conclusions, which makes Eq. ( 13) of the forced physical field with the physical field of the generally more adequate for estimation of the mean distribution spectrum: the change in wave shape due to particle size than Lang's equation.…”

Section: Followssupporting

confidence: 71%

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Influence of aerosol formation mechanism by an ultrasonic field on particle size distribution of ceramic powders

Jokanovic¹,

Janaćković²,

Uskoković³

1999

Ultrasonics Sonochemistry

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Section: Followssupporting

confidence: 71%

“…From Eqs (20). and (35) for resonant frequency (forced where a, b and h are the dimensions of the liquid frequency of ultrasonic oscillator equal or close enough column, and m, n and p are integers showing selected to the liquid column frequency, i.e.…”

mentioning

confidence: 99%

Influence of aerosol formation mechanism by an ultrasonic field on particle size distribution of ceramic powders

Jokanovic¹,

Janaćković²,

Uskoković³

1999

Ultrasonics Sonochemistry

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“…Stopic et al 18) prepared nickel powders by USP method using aqueous solutions of NiCl2 at 900 and 1000 under H2-N2 (1:5) mixture gas atmosphere. They reported that pure Ni particles could only be produced at 1000 with H2-N2 gas mixture under 20 sec droplet residence time conditions.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Characterization of Nickel Particles by Hydrogen Reduction Assisted Ultrasonic Spray Pyrolysis(USP-HR) Method

Ebin

Gürmen

2011

KONA

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Spherical nickel particles were prepared by hydrogen reduction assisted ultrasonic spray pyrolysis (USP-HR) method using nickel chloride solution without any additives. Thermodynamic of the hydrogen reduction of the nickel chloride were studied by FactSage software. Particles were obtained at 800 reaction temperature by hydrogen reduction of aerosol droplets under H2 flow. The effects of the precursor concentration on the particle size and morphology were investigated by scanning electron microscopy. Results showed that nickel particle sizes were decreased from 630 to 270 nm by reducing solution concentration, and also narrower size distribution was obtained using lower concentrated precursor. Nickel particle sizes were theoretically calculated and results indicated that there was a slight difference in the particle sizes compared to experimental values.

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“…This technique combines the advantages of microreactors and the nonthermal plasma chemistry, resulting in a new and facile route for the gas phase fabrication of Ni nanoparticles. Compared to the existing methods (Table 2 [33][34][35][36][37][38][39][40][41][42][43][44][45] ), the present study chooses Ni(cp) 2 as the precursor to replace the commonly used Ni(CO) 4 which is extremely toxic and dangerous. 36 As a consequence, special safety precautions are not needed.…”

Section: Meanwhile As Shown In Supporting Informationmentioning

confidence: 99%

Synthesis of Ni nanoparticles with controllable magnetic properties by atmospheric pressure microplasma assisted process

Lin

Starostin³

et al. 2017

AIChE Journal

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An atmospheric pressure microplasma technique is demonstrated for the gas phase synthesis of Ni nanoparticles by plasma-assisted nickelocene dissociation at different conditions. The dissociation process and the products are characterized by complementary analytical methods to establish the relationship between operational conditions and product properties. The innovation is to show proof-of-principle of a new synthesis route which offers access to less costly and less poisonous reactant, a higher quality product, and a simple, continuous and pre/post treatment-free manner with chance for fine-tuning "in-flight." Results show that Ni nanoparticles with controllable magnetic properties are obtained, in which flexible adjustment of product properties can be achieved by tuning operational parameters. At the optimized condition only fcc Ni nanoparticles are formed, with saturation magnetization value of 44.4 mAm 2 /g. The upper limit of production rate for Ni nanoparticles is calculated as 4.65 3 10 23 g/h using a single plasma jet, but the process can be scaled-up through a microplasma array design. In addition, possible mechanisms for plasma-assisted nickelocene dissociation process are discussed.

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Structural and morphological transformations during NiO and Ni particles generation from chloride precursor by ultrasonic spray pyrolysis

Cited by 24 publications

References 8 publications

Influence of aerosol formation mechanism by an ultrasonic field on particle size distribution of ceramic powders

Influence of aerosol formation mechanism by an ultrasonic field on particle size distribution of ceramic powders

Synthesis and Characterization of Nickel Particles by Hydrogen Reduction Assisted Ultrasonic Spray Pyrolysis(USP-HR) Method

Synthesis of Ni nanoparticles with controllable magnetic properties by atmospheric pressure microplasma assisted process

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