Modification of surface properties of bell metal by radiofrequency plasma polymerization.

11 November 2012


Radiofrequency (RF) plasma polymerization is a convenient thin film deposition process as it facilitates the synthesis of polymer films with stable physico-chemical properties suitable for various applications in microelectronic, optical, and biomedical fields. The unique properties of these plasma polymerized films as compared to the conventional ones are strongly related to the proper adjustment of the external plasma discharge parameters and selection of suitable monomer.

It is also important to study the fundamental chemistry of RF plasma polymerization process, so that one can successfully correlate the internal features of the discharge with the film properties and explore their possible technological applications. The possibility of using styrene-based plasma polymer (SPP) films on bell metal as protective coatings is explored in this work.

Depositions of the films are carried out in RF Ar/styrene discharge at working pressure of 1.2 × 10−1 mbar and at the RF power range of 20 to 110 W. Optical emission spectroscopy (OES) is used to study the active species generated during plasma polymerization, while Fourier transform infrared (FT-IR) and X-ray photoelectron spectroscopy (XPS) are used to analyze the internal chemical structures of the films. The protective performances of the SPP films are attempted to correlate with the results obtained from OES, FT-IR, and XPS analyses.


Chutia, J., Choudhury, A.J., Pal, A.R. and Gogoi, D., 2012. Modification of surface properties of bell metal by radiofrequency plasma polymerization. Journal of Theoretical and Applied Physics, 6(1), pp.1-10.

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