Abstract
Bilayered molecular film PFPE (perfluoropolyether), namely, ultrathin lubricant film consisting of bonded molecular layer and mobile molecular layer was dip-coated on DLC surface and the experiments for the tribological characteristics of the bilayered molecular film were carried out. Friction reduced with either layer average thickness but was more dependent on the average thickness of bonded layer. It was found that the lubricant film of bi-monolayer structure showed lowest friction and highest durability.
