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B.I.Stepanov Institute of Physics

68 Nezalezhnasti Ave.
220072 Minsk.
Belarus

Contact email:

Website: http://ifanbel.bas-net.by.

Brief presentation of the institution

The B.I. Stepanov Institute of Physics (IPh), National Academy of Sciences of Belarus is one of the leading recearch organizations in Belarus specializing in the research and applications of plasma. The  research includes experimental and theoretical investigations of plasmas generated by electrical discharges and laser radiation in gases and liquids. An important part of this research is a development of plasma diagnostic techniques and development and introduction of plsma-based technologies.  The IPh is the internationally recognised research institution,   the organiser of  international conference Plasma Physics and Plasma Technologies,  has a total of 330 employees and it is divided into 12 scientific departments.

 

 

Main Plasma with liquids related topics

-Physics and chemistry of plasmas induced by electrical discharges  directly in the liquid (ethanol, water), in contact with liquid and during treatment of powders by electrical discharge in suspensions.

-Development of methods of spectroscopic diagnostics of plasma in and in contact with liquid, of the controlled synthesis of nanoparticles and plasma processing of materials by plasma with liquids.

-Optimization of conditions for a formation of nanoparticles with the required parameters;  investigation of the morphology, structure and  properties of the synthesized nanomaterials in dependence on the  parameters plasmas in liquids and search for the possible ways of their practical applications.

Main Plasma with liquids related research techniques and equipment

Lab-scale equipment  for generation of plasmas in liquids:

- bipolar and monopolar pulsed high-voltage generators, providing spark (peak current of 60 A, pulse duration 30 μs) or arc (peak current and pulse duration  10 A and 4 ms, respectively ) discharge regimes with a repetition rate of 100 Hz. 

- high- voltage dc source (3.6 kV) for ignition of gas–liquid interface discharges (plasmas in contact with liquid)

For characterization of plasmas in liquids the following diagnostics are being used:

optical emission spectroscopy and laser-induced fluorescence,  time-resolved shadowgraphy, gated imaging technique, optical absorption spectroscopy.

Instrumentation for characterization of nanopatrticles synthesized:

optical absorption spectroscopy (OAS), transmission (TEM) and scanning (SEM) electron microscopies, X-ray diffraction  (XRD), selected area electron diffraction (SAED) analysis.

Brief information on available facilities related to Plasma with liquids

Experimental reactor operating on the  high-voltage discharge between two electrodes submerged into liquid for generation of nanoparticles in liquids with technical characteristics:

-electrical power of discharge source up to 3 kW, 
-average size of synthesized particles in the range of 5-40 nm 
-deviation from the average size   not more than 30% 
-maximal productivity   1-40 mg / min 
-nomenclature of nanoparticles metals, oxides, carbides, nanocomposites.
 
DC  discharge system generating a gas–liquid interface discharge (plasma in contact with liquid).  
 
Pulsed discharge system with a funnel-shaped plastic discharge chamber for synthesis of composite nanoparticles from a mixture of powder precursors.
 
Double-pulse laser spectrometer for generation and spectroscopic characterization  of laser ablation plasmas in liquid.
 
 

 
 

 

Willingness to accept/host visiting researchers

Participation in Working Groups

Projects:

  • Development of plasma-laser methods of synthesis, analysis and modification of nanostructured materials
    Project type: National
    Funding: 39 850 Euro for 2015
  • Physical and chemical processes in the discharge above the surface of electrolyte and its application for the synthesis of nanostructures
    Project type: National
    Funding: 18 500 Eur for 2 years

Members:

  • Andrei Butsen
    Email:

    Position: Researcher
  • Vasilii Kiris
    Email:

    Position: Researcher
  • Mikhail Nedelko
    Email:

    Position: Researcher
  • Alena Nevar
    Email:

    Position: Researcher
  • Natalie Tarasenka
    Email:

    Position: Researcher
  • Nikolai Vladimir Tarasenko
    Email:

    Position: Professor

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Working groups

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