Polyvinylpyrrolidone/Silicon Dioxide Composite Thin Films - Preparation and Analysis of Properties

• Autorzy: Tański T. , Matysiak W. , Zaborowska M.

Identyfikatory

DOI

10.24425/118930

• Języki publikacji: EN

Abstrakty

EN

The purpose of this study was to produce composite thin films with polyvinylpyrrolidone (PVP) matrix with nanoparticles of silicon dioxide (SiO₂ ) as the reinforcing phase (5 and 10%) using spin coating method and to investigate the influence of mass concentration of silica particles and process parameters on the morphology and optical properties of the obtained PVP/SiO₂ nanocomposite coatings. The composite layer topography examination, made using atomic force microscope (AFM), showed the increase of roughness due to the increase of silica mass concentration in thin films. UV-Vis spectroscopy analysis showed that with the increase of SiO₂ nanoparticles in polymer matrix and use of higher rotation speed, the absorbance level decrease. Besides, composite layers with 10% mass concentration relative to polymer concentration were characterized by wider energy band gap, so it can be concluded that obtained nanocomposite thin films can be used as protective layers against UV radiation, with zero absorption in the range of visible light wavelengths.

Słowa kluczowe

EN

spin coating; PVP/SiO2; thin films; composite coatings; optical properties

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2018
• Tom: Vol. 63, iss. 1
• Strony: 211--215
• Opis fizyczny: Bibliogr. 29 poz., rys., wykr., wzory

Twórcy

autor

Tański T.

• Silesian University of Technology, Department of Materials Processing Technology, Management and Technology in Materials, Institute of Engineering Materials and Biomaterials, 18a Konarskiego Str., 44-100 Gliwice, Poland
• Silesian University of Technology, Center for Nanotechnology, 18a Konarskiego Str., 44-100 Gliwice, Poland

autor

Matysiak W.

• Silesian University of Technology, Department of Materials Processing Technology, Management and Technology in Materials, Institute of Engineering Materials and Biomaterials, 18a Konarskiego Str., 44-100 Gliwice, Poland

autor

Zaborowska M.

• Silesian University of Technology, Department of Materials Processing Technology, Management and Technology in Materials, Institute of Engineering Materials and Biomaterials, 18a Konarskiego Str., 44-100 Gliwice, Poland

Bibliografia

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Uwagi

EN

1. The research presented in this article was financed by the National Science Centre, Poland based on the decision number 2014/15/B/ST8/04767 This work was supported by the Ministry of Science and Higher Education of Poland as the statutory financial grant of the Faculty of Mechanical Engineering, Silesian University of Technology.

PL

2. Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).