Plasma Polymer Deposition of Neutral Agent Carvacrol on a Metallic Surface by Using Dielectric Barrier Discharge Plasma in Ambient Air

  • Tsegaye Gashaw GetnetEmail author
  • Nilson Cristino da Cruz
  • Milton Eiji Kayama
  • Elidiane Cipriano Rangel
Conference paper
Part of the Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering book series (LNICST, volume 308)


This experiment was conducted by newly designed home-made planar type DBD plasma generator in ambient, with industrial argon as the primary plasma-forming and a carrier gas of monomer. Natural agent Carvacrol monomer was used as a precursor in order to deposit plasma polymeric thin film on the surface of metallic material. The discharge characteristics including, the plasma active power, the discharge voltage, and current were diagnosed. The applied voltage was measured by using a voltage divider and the current and the discharge-charge were measured by using the drop of voltage on a resistor and capacitor, respectively. The characteristics of the thin film deposited are presented by varying discharge conditions. The structures of the film, aging, and adhesion were characterized by infrared reflectance spectroscopy and its thicknesses and roughness by profilometry. The obtained thin film was exhibited smooth, dense, uniform, and having chemical similarity to carvacrol monomer. The obtained thin film also exhibited a high thermal resistivity, strong crosslink with good adhesion to the metallic surface. In general, the thin film can be used for practical application as the surface of a biomaterial.


Plasma diagnostics Dielectric barrier discharge Plasma polymer 



The authors thank TWAS and CNPq (190896/2015-9) and FAPESP (2012/14708-2) for financial support.


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Copyright information

© ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering 2020

Authors and Affiliations

  1. 1.Technological Plasmas LaboratoryPaulista State University, Experimental Campus of SorocabaSorocabaBrazil
  2. 2.Department of Chemistry, College of ScienceBahir Dar UniversityBahir DarEthiopia
  3. 3.Laboratory of Plasma and ApplicationsSao Paulo State UniversityGuaratinguetáBrazil

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