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Application of cold atmospheric pressure plasma jet for material treatment and sterilization

Grant number: 13/06732-3
Support Opportunities:Scholarships in Brazil - Post-Doctoral
Effective date (Start): October 01, 2013
Effective date (End): September 30, 2016
Field of knowledge:Physical Sciences and Mathematics - Physics - Physics of Fluids, Plasma Physics and Electrical Discharge
Principal Investigator:Konstantin Georgiev Kostov
Grantee:Vadym Prysiazhnyi
Host Institution: Faculdade de Engenharia (FEG). Universidade Estadual Paulista (UNESP). Campus de Guaratinguetá. Guaratinguetá , SP, Brazil


The electrical discharges at atmospheric pressure, such as corona, dielectric barrier discharge (DBD) and cold plasma jet have being used in many technological applications including the production of ozone, ultraviolet light generation, production of plasma panels, fluorescent lamps, air pollution control and more recently for the deposition of thin films and surface modification and sterilization of various materials. Their most important feature is the possibility to generate large volume of non-thermal plasma at high pressure without vacuum chamber. Among atmospheric plasma discharges, the cold atmospheric plasma jets have drown significant attention in recent years. The present research project proposes to continue the study and characterization of a plasma jet that is already in operation at the Plasma Applications Laboratory, Department of Physics and Chemistry of the FEG-UNESP. The research emphasis will be given on the applications of plasma jet in material processing and sterilization. A novel plasma jet application that is suggested in this project is the treatment of conductive materials like metals, semiconductors and carbonaceous materials in order to clean and activate their surface and as a result improve the material surface properties, such as wettability, adhesion and roughness. These characteristics are very important for various technological applications such as thin films growth on substrates with poor adhesion properties.

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Scientific publications (7)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
RICCI CASTRO, ALONSO HERMAN; KOSTOV, KONSTANTIN GEORGIEV; PRYSIAZHNYI, VADYM. Influence of Nozzle Shape on the Performance of Low-Power Ar Plasma Jet. IEEE TRANSACTIONS ON PLASMA SCIENCE, v. 43, n. 9, 2, p. 3228-3233, . (13/06732-3)
PRYSIAZHNYI, VADYM; SATURNINO, VINICIUS F. B.; KOSTOV, KONSTANTIN G.. Transferred plasma jet as a tool to improve the wettability of inner surfaces of polymer tubes. INTERNATIONAL JOURNAL OF POLYMER ANALYSIS AND CHARACTERIZATION, v. 22, n. 3, p. 215-221, . (13/06732-3, 15/21989-6)
PRYSIAZHNYI, VADYM; RICCI CASTRO, ALONSO H.; KOSTOV, KONSTANTIN G.. Properties of Atmospheric Pressure Ar Plasma Jet Depending on Treated Dielectric Material. Brazilian Journal of Physics, v. 47, n. 1, p. 65-71, . (13/06732-3, 15/21989-6)
PRYSIAZHNYI, VADYM; RICCI, ALONSO H. C.; KOSTOV, KONSTANTIN G.. On Power Measurements of Single-Electrode Low-Power Ar Plasma Jets. Brazilian Journal of Physics, v. 46, n. 5, p. 496-502, . (13/06732-3)
RICCI CASTRO, ALONSO HERMAN; KOSTOV, KONSTANTIN GEORGIEV; PRYSIAZHNYI, VADYM. Influence of Nozzle Shape on the Performance of Low-Power Ar Plasma Jet. IEEE TRANSACTIONS ON PLASMA SCIENCE, v. 43, n. 9, p. 6-pg., . (13/06732-3)
KOSTOV, KONSTANTIN G.; MACHIDA, MUNEMASA; PRYSIAZHNYI, VADYM; HONDA, ROBERTO Y.. Transfer of a cold atmospheric pressure plasma jet through a long flexible plastic tube. PLASMA SOURCES SCIENCE & TECHNOLOGY, v. 24, n. 2, . (13/06732-3)
RICCI CASTRO, ALONSO H.; KODAIRA, FELIPE V. P.; PRYSIAZHNYI, VADYM; MOTA, ROGERIO P.; KOSTOV, KONSTANTIN G.. Deposition of thin films using argon/acetylene atmospheric pressure plasma jet. SURFACE & COATINGS TECHNOLOGY, v. 312, p. 13-18, . (13/06732-3)

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