Journal of Sol-Gel Science and Technology

, Volume 57, Issue 2, pp 193–197 | Cite as

Tribological performance of fluoroalkylsilane modification of sol–gel TiO2 coating

  • Yong Wan
  • Wenliu Chao
  • Yifang Liu
  • Junyan Zhang
Original Paper


This paper explores the possibility of making coatings with super friction-reducing and wear protection properties by using both sol–gel and self-assembling techniques. The thin film of TiO2 was firstly prepared on glass substrates via a sol–gel method, followed by sintering at 480°C. The self-assembled monolayer of Fluoroalkylsilane (FAS) were then prepared on TiO2 thin film to obtain TiO2–FAS dual-layer film. The contact angle measurement and X-ray photoelectron spectroscopy were used to determine the wetting behavior and chemical structure of films, respectively. The friction behavior of films sliding against a steel ball was examined on a macro friction and wear tester. It is shown that FAS is strongly adsorbed on sol–gel derived TiO2 thin film, making it strongly hydrophobic. Good friction-reducing and wear protection behavior is observed for the glass substrate after duplex surface-modification with sol–gel TiO2 and top layer of FAS.


TiO2 Self-assembled monolayer FAS Friction 



Financial support by Shandong Provincial Natural Science Foundation, China (Y2008F05) and Applied and Basic Research Foundation of Qingdao City (09-1-3-35-jch) are gratefully acknowledged.


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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  • Yong Wan
    • 1
  • Wenliu Chao
    • 1
  • Yifang Liu
    • 1
  • Junyan Zhang
    • 2
  1. 1.School of Mechanical EngineeringQingdao Technological UniversityQingdaoChina
  2. 2.State Key Laboratory of Solid LubricationLanzhou Institute of Chemical PhysicsLanzhouChina

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