Nanotribological Properties of Composite Molecular Films: C60 Anchored to a Self-Assembled Monolayer
Langmuir1996Vol. 12(16), pp. 3905–3911
Citations Over TimeTop 10% of 1996 papers
Abstract
Tribological properties of molecular films composed of a fullerene monolayer chemically attached to the functional surface of self-assembled monolayers (C60−SAM) were studied by friction force microscopy. We observed very high wear stability of composite fullerene films. The friction coefficient (μ) for these films varies in a wide range from 0.04 ± 0.02 at high loads and 0.06 ± 0.02 at the highest velocities tested ( θN3-SAM (84°) > θC60-SAM (70°) ≫ θSiO2 (≈0°), and variation of the adhesive forces, ΔFCH3-SAM (4 nN) ≤ ΔFN3-SAM (5 nN) < ΔFC60-SAM (9 nN) < ΔFSiO2 (12 nN).
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