Preparation, characterization and catalytic property of CuO nano/microspheres via thermal decomposition of cathode-plasma generating Cu2(OH)3NO3 nano/microspheres

Zhang, Zhikun; Guo, Dengzhu; Zhang, Gengmin

doi:10.1016/j.jcis.2011.01.102

Cited by 27 publications

(8 citation statements)

References 40 publications

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“…Similar effect was recently decribed by Demel et al [18] who prepared ZnO nanodiscs from the lamellar layered zinc hydroxide salts. CuO has been studied for its significant catalytic as well as semiconductive properties [19]. Since many authors attempted to enhance its properties via various micro-and nano-structural modifications, e.g.…”

Section: Resultsmentioning

confidence: 99%

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Synthesis and characterization of single crystals of the layered copper hydroxide acetate Cu₂(OH)₃(CH₃COO)·H₂O

Švarcová

Klementová

Bezdička

et al. 2011

Cryst. Res. Technol.

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Single-crystals of the layered copper hydroxide acetate Cu 2 (OH) 3 (CH 3 COO)·H 2 O were synthesized by heating copper acetate solution at 60 °C. The standard synthesis of the title compound based on slow titration of copper acetate solution with NaOH yielded materials with worse morphology and an additional phase present. The obtained products were characterized with powder X-ray diffraction, high temperature powder X-ray diffraction, scanning electron microscopy and infrared spectroscopy. The crystal structure was determined from single-crystal X-ray diffraction data, collected both at 120 K and at 293 K. The title compound crystallizes in the monoclinic botallackite-type layered structure, space group P2 1 , with the lattice parameters a = 5.5776(3) Å, b = 6.0733(2) Å, c = 18.5134(8) Å, β = 91.802(4)° and a = 5.5875(4) Å, b = 6.0987(4) Å, c = 18.6801(10) Å, β = 91.934(5)° for 120 K and for 293 K, respectively. Acetate groups and water molecules are interlayered between corrugated sheets of edge-sharing CuO6 octahedra exhibiting strong distortion resulted from the Jahn-Teller effect.

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Section: Resultsmentioning

confidence: 99%

“…Since many authors attempted to enhance its properties via various micro-and nano-structural modifications, e.g. [19,20], the single-crystalized Cu 2 (OH) 3 (CH 3 COO)·H 2 O could be also used as a promising precursor for pseudomorphous formation of oriented CuO nano-particles.…”

Section: Resultsmentioning

confidence: 99%

Synthesis and characterization of single crystals of the layered copper hydroxide acetate Cu₂(OH)₃(CH₃COO)·H₂O

Švarcová

Klementová

Bezdička

et al. 2011

Cryst. Res. Technol.

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“…This has been widely studied and attempts have been made to improve it by the use of various types of additives [9][10][11][12][13]. The DSC curve of pure AP shows one endothermic peak at around 241.2 °C and two exothermic peaks at 286 °C and 428 °C [14,15].…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Characterization of CuO Nanoparticles by the Chemical Liquid Deposition Method and Investigation of its Catalytic Effect on the Thermal Decomposition of Ammonium Perchlorate

Eslami¹,

Juibari²,

Hosseini³

et al. 2017

Cent. Eur. J. Energ. Mater.

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Abstract:Copper oxide nanoparticles have been synthesized by the chemical liquid deposition method and characterized by means of X-ray diffraction analysis (XRD), Fourier transform infrared spectroscopy (FT-IR) and scanning electron microscopy (SEM). The XRD and SEM results showed that the particle size was between 50 nm and 70 nm. Ammonium perchlorate (AP)-CuO nanostructures have been prepared by ex-situ mixing of AP and CuO nanoparticles, while AP/CuO nanocomposites have been obtained by in-situ growth of nano CuO on the surface of AP. The effect of the nanoparticles on the thermal decomposition of AP has been examined by differential scanning calorimetery (DSC) and thermogravimetric analysis (TGA) methods. The results showed that the ex-situ prepared nanoparticles had better catalytic activity than the in-situ prepared ones. The effect of the synthesized nanoparticles on the thermal decomposition of AP in experiments with a AP to CuO ratio of 98:2 was as follows: with the ex-situ prepared experiments, the decomposition temperature decreased from 428 °C to 348 °C and the heat released increased from 344 J·g −1 to 1432 J·g

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“…For example, the preparation of nanomaterials from the thermal decomposition of nanoprecursors (Wang et al 2014a, b;Zhang et al 2011), the high temperature catalysis of nanocatalysts (Zhang et al 2014;Koroteev et al 2014), the explosion of the nanomaterials in some propellants (Kumari et al 2013;Pivkina et al 2004), the effect of the dope of nanomaterials on the thermal stability of composites (Zhang et al 2015), and so on. So the research on the effect of the particle size on the thermodynamics for decomposition reactions of nanomaterials has important scientific significance and actual application value.…”

Section: Introductionmentioning

confidence: 99%

Theoretical and experimental study: the size dependence of decomposition thermodynamics of nanomaterials

Cui

Duan

et al. 2015

J Nanopart Res

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In the processes of preparation and application of nanomaterials, the decomposition reactions of nanomaterials are often involved. However, there is a dramatic difference in decomposition thermodynamics between nanomaterials and the bulk counterparts, and the difference depends on the size of the particles that compose the nanomaterials. In this paper, the decomposition model of a nanoparticle was built, the theory of decomposition thermodynamics of nanomaterials was proposed, and the relations of the size dependence of thermodynamic quantities for the decomposition reactions were deduced. In experiment, taking the thermal decomposition of nanoCu 2 (OH) 2 CO 3 with different particle sizes (the range of radius is at 8.95-27.4 nm) as a system, the reaction thermodynamic quantities were determined, and the regularities of size dependence of the quantities were summarized. These experimental regularities consist with the above thermodynamic relations. The results show that there is a significant effect of the size of particles composing a nanomaterial on the decomposition thermodynamics. When all the decomposition products are gases, the differences in thermodynamic quantities of reaction between the nanomaterials and the bulk counterparts depend on the particle size; while when one of the decomposition products is a solid, the differences depend on both the initial particle size of the nanoparticle and the decomposition ratio. When the decomposition ratio is very small, these differences are only related to the initial particle size; and when the radius of the nanoparticles approaches or exceeds 10 nm, the reaction thermodynamic functions and the logarithm of the equilibrium constant are linearly associated with the reciprocal of radius, respectively. The thermodynamic theory can quantificationally describe the regularities of the size dependence of thermodynamic quantities for decomposition reactions of nanomaterials, and contribute to the researches and the applications in the decomposition of nanomaterials.

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Preparation, characterization and catalytic property of CuO nano/microspheres via thermal decomposition of cathode-plasma generating Cu2(OH)3NO3 nano/microspheres

Cited by 27 publications

References 40 publications

Synthesis and characterization of single crystals of the layered copper hydroxide acetate Cu₂(OH)₃(CH₃COO)·H₂O

Synthesis and characterization of single crystals of the layered copper hydroxide acetate Cu₂(OH)₃(CH₃COO)·H₂O

Synthesis and Characterization of CuO Nanoparticles by the Chemical Liquid Deposition Method and Investigation of its Catalytic Effect on the Thermal Decomposition of Ammonium Perchlorate

Theoretical and experimental study: the size dependence of decomposition thermodynamics of nanomaterials

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Preparation, characterization and catalytic property of CuO nano/microspheres via thermal decomposition of cathode-plasma generating Cu2(OH)3NO3 nano/microspheres

Cited by 27 publications

References 40 publications

Synthesis and characterization of single crystals of the layered copper hydroxide acetate Cu2(OH)3(CH3COO)·H2O

Synthesis and characterization of single crystals of the layered copper hydroxide acetate Cu2(OH)3(CH3COO)·H2O

Synthesis and Characterization of CuO Nanoparticles by the Chemical Liquid Deposition Method and Investigation of its Catalytic Effect on the Thermal Decomposition of Ammonium Perchlorate

Theoretical and experimental study: the size dependence of decomposition thermodynamics of nanomaterials

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Synthesis and characterization of single crystals of the layered copper hydroxide acetate Cu₂(OH)₃(CH₃COO)·H₂O

Synthesis and characterization of single crystals of the layered copper hydroxide acetate Cu₂(OH)₃(CH₃COO)·H₂O