Investigation of metal nanoparticles produced by laser ablation and their catalytic activity

Song, Renguo; Yamaguchi, Munehiro; Nishimura, Okio; Suzuki, Masaaki

doi:10.1016/j.apsusc.2006.06.059

Cited by 30 publications

(14 citation statements)

References 9 publications

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“…Comparing the polymerization effi ciency with the mean diameter, it is found that the smaller the mean diameter, the higher the polymerization effi ciency for Pt, Ni, Cu, Al and Au except Zn, W and Ag nanoparticles. It should be pointed out that our previous investigations [10][11][12] showed that the polymerization efficiency increased with decreasing mean diameter of metal nanoparticles, which is not consistent with the present results. These facts suggested that there exists a very complex effect of both the kinds of pulsed laser ablated metals and the mean diameter of metal nanoparticles on the polymerization efficiency.…”

Section: Resultscontrasting

confidence: 99%

Synthesis of metal/poly(diphenylsilylenemethylene) nanocomposite thin films by pulsed laser ablation

Song

Wang

Jiang

2015

J. Wuhan Univ. Technol.-Mat. Sci. Edit.

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A new technique to synthesize poly(diphenylsilylenemethylene) (PDPhSM) matrix nanocomposite thin fi lms containing metal nanoparticles such as Ni, Al, Zn, and W produced by pulsed laser ablation has been developed. First, 1,1,3,3-tetra-phenyl-1,3-disilacyclobutane (TPDC) fi lms were deposited on 4 cm 2 silicon substrates cut from c-Si wafers by conventional vacuum evaporation under a pressure of 4.0×10 3 Pa; then metal nanoparticles were deposited onto the TPDC fi lms by pulsed laser ablation; fi nally the TPDC fi lms with metal nanoparticles were heated in an electric furnace in an air atmosphere at 553 K for 10 min to induce ring-opening polymerization of TPDC. The results indicate that it is easy to synthesize metal/ PDPhSM nanocomposite thin fi lms by pulsed laser ablation. The morphologies and size of metal nanoparticles are closely related to the kinds of metal. Also, the polymerization efficiency depends on the kinds of metal nanoparticles deposited on the TPDC monomer fi lms by pulsed laser ablation. In addition, The laser ablated metal nanoparticles penetrate into the TPDC monomer fi lms during pulsed laser ablation while the DC sputtered metal nanoparticles just lay on the surface of TPDC fi lms. SONG Renguo(宋仁国): Prof.; Ph D;

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Section: Resultscontrasting

confidence: 99%

Synthesis of metal/poly(diphenylsilylenemethylene) nanocomposite thin films by pulsed laser ablation

Song

Wang

Jiang

2015

J. Wuhan Univ. Technol.-Mat. Sci. Edit.

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“…[40] Other less common methods include redox surface techniques, [41,42] thermal [43] and photochemical [44] decomposition of metal complex precursors, sonochemical synthesis [45] and laser ablation. [46] …”

Section: Metal Vapour Chemistrymentioning

confidence: 99%

Transition‐metal nanoparticles: synthesis, stability and the leaching issue

Pachón

Rothenberg

2008

Applied Organom Chemis

415

202

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This perspective examines the state-of-the-art of catalysis by metal nanoparticles. We outline various methods for preparing metal nanoparticle suspensions, and highlight the role of the stabilizers and the stabilizing principles. Subsequently, we examine some catalytic applications of homometallic and bimetallic nanoparticle suspensions in a variety of reactions. The cases are divided according to the stabilizing agent: polymers, dendrimers, ionic liquids, surfactants, micelles and micoremulsions, ligands and solid supports. We explain the importance of atom/ion leaching (all too frequent in nanoparticle catalysis, especially for the catalytically active group VIII metals) and consider ways of minimizing it. The future perspectives of nanoparticles as catalysts are discussed.

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“…Much attention has been devoted to developing methods for synthesizing nanoparticles of Pt and other metals. Metal nanoparticles have been prepared by a wide variety of techniques, including laser ablation [7], vapor nucleation [8], thermal decomposition of organometallic compounds [9], sonolysis [10,11], sol-gel chemistry [12], pulse radiolysis [13], electrochemical reduction [14,15], and chemical reduction of the corresponding salts [16]. However, the size and surface structure of the synthesized metallic particles are sensitive to the synthesis method and experimental conditions.…”

Section: Introductionmentioning

confidence: 99%

Thermal Decomposition of Diammonium Tetrachloroplatinate to form Platinum Nanoparticles and its Application as Electrodes

et al. 2009

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Pt nanoparticles were obtained via the thermal decomposition of (NH 4 ) 2 [PtCl 4 ] (diammonium tetrachloroplatinate) by heating from room temperature to 760°C. The thermal decomposition process was analyzed using thermogravimetric analysis (TGA) and differential thermal analysis (DTA), X-ray thermodiffraction and infrared spectroscopy. The size and structure of the platinum particles were analyzed using transmission electron microscopy (TEM). The electrochemical activity of Pt particles was assessed by cyclic voltammetry in 0.5 M H 2 SO 4 . The TGA and DTA results suggested that the thermal decomposition of the precursor proceeded in two stages: loss of NH 4 Cl at *300°C, followed by loss of NH 4 Cl and Cl 2 at *372°C. Metallic Pt particles were then produced at temperatures of 372°C and above. At 760°C, the mean ± SD size of the Pt particles was (4.1 ± 1.6) nm, as determined from TEM measurements. In cyclic voltammetry (CV) measurements, an electrode comprised of glassy carbon and Pt particles in 0.5 M H 2 SO 4 exhibited behavior similar to that observed using a polycrystalline Pt electrode.

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Investigation of metal nanoparticles produced by laser ablation and their catalytic activity

Cited by 30 publications

References 9 publications

Synthesis of metal/poly(diphenylsilylenemethylene) nanocomposite thin films by pulsed laser ablation

Synthesis of metal/poly(diphenylsilylenemethylene) nanocomposite thin films by pulsed laser ablation

Transition‐metal nanoparticles: synthesis, stability and the leaching issue

Thermal Decomposition of Diammonium Tetrachloroplatinate to form Platinum Nanoparticles and its Application as Electrodes

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