Electrochemical synthesis of iron and platinum nanoparticles in deionized water

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• 作者：V. E. Kasatkin ; D. L. Tytik ; A. A. Revina…
• 刊名：Protection of Metals and Physical Chemistry of Surfaces
• 出版年：2015
• 出版时间：November 2015
• 年：2015
• 卷：51
• 期：6
• 页码：973-979
• 全文大小：1,067 KB
• 参考文献：1.Feldheim, D.L. and Foss, C.A., Metal Nanoparticles: Synthesis, Characterization, and Applications, New York: Marcel Dekker, 2002.
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• 作者单位：V. E. Kasatkin (1)
  D. L. Tytik (1)
  A. A. Revina (1)
  S. A. Busev (1)
  M. A. Abaturov (1)
  V. V. Vysotskii (1)
  V. I. Roldugin (1)
  L. P. Kazanskii (1)
  V. I. Kuz’min (2)
  A. F. Gadzaov (2)
  V. V. Tsetlin (3)
  
  1. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Lenininskii pr. 31, Moscow, 119991, Russia
  2. Moscow State Institute of Radio Engineering, Electronics and Automation, Vernadskogo pr. 78, Moscow, 119454, Russia
  3. Institute of Medical and Biological Problems, Russian Academy of Sciences, Khoroshevskoe sh. 76-A, Moscow, 123007, Russia
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Tribology, Corrosion and Coatings
  Materials Science
  Metallic Materials
  Inorganic Chemistry
  Industrial Chemistry and Chemical Engineering
  Characterization and Evaluation Materials
  
• 出版者：MAIK Nauka/Interperiodica distributed exclusively by Springer Science+Business Media LLC.
• ISSN：2070-206X

文摘

The processes of formation of disperse phase in water in a two-electrode electrochemical cell with platinum or steel electrodes in the constant electric potential application regime are studied. It is established by the method of dynamic light scattering (DLS) that the charge transfer process in the system is accompanied by formation of nanoparticles (NPs) made of electrode material in the aqueous medium. It is shown that the dynamics of changes in the electric current conforms to the dynamics of NP formation. Simultaneous registration of absorbance spectra of the aqueous medium at various moments of time has shown the presence of plasmon resonance bands corresponding to a platinum NP. In case of platinum electrode, a residue of platinum-containing NPs was found on the cathode using energy-dispersive X-ray microanalysis (EDXMA) and electronic spectroscopy for chemical analysis (ESCA) methods. The possibility of cathophoresis of platinum NPs forming on the anode to the cathode under effect of the applied voltage in the cell with water.