Ordered molecular films, with the Langmuir-Blodgett (LB) film as one of the typical representatives, have been largely focused on as potential candidates for novel advanced lubricating materials. In the present work, the tribological and tribochemical behaviors of various long chain organic molecule LB films, organic molecule modified inorganic nanoparticle LB films, and the composite LB films of organic molecules and inorganic nanoparticles were systematically investigated. The correlation between the structure and tribological behavior of the LB films has been explored, while the models to explain the friction and wear mechanisms of various LB films have been established. Moreover, C60 LB film of good ordering and dispersion capability has been prepared by means of acid-base association and molecular confining of long chain fatty acids. Then the tribological properties of the LB films were studied. ……
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