Journal
COATINGS
Volume 11, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/coatings11080920
Keywords
silicon oxycarbide; CNT; coatings; AFM; QNM; nanoindentation
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Funding
- National Science Centre Poland (NCN) [UMO-402 2014/13/D/ST8/03243]
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A silicon oxycarbide-carbon nanotube coating on steel was synthesized using a novel approach, resulting in homogenous layers with investigated morphology and nanomechanical properties through methods such as infrared spectroscopy and X-ray diffraction.
A silicon oxycarbide-carbon nanotube coating on steel was synthesized using a novel approach utilizing unmodified carbon nanotubes (CNT), silane surfactant and large monomer-based silsesquioxane sol. This enabled the creation of very stable carbon nanotube dispersion, which in turn resulted in homogenous layers obtained in a simple dip-coating process. The samples were annealed in 800 degrees C in argon to obtain a uniform glassy silicon oxycarbide-based composite from a silsesquioxane precursor. The layers' morphology and nanomechanical properties were investigated using a number of methods, including infrared spectroscopy (IR), X-ray diffraction (XRD), scanning electron microscopy (SEM), nanoindentation, Accelerated Property Mapping (XPM) and Quantitative Nanomechanical Mapping-an Atomic Force Microscopy method (QNM-AFM).
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