Citation: CHAO Wen-Liu, WAN Yong, WANG Yun-Xia, LIU Chang-Song, . Tribological Properties of Cu-Doped TiO₂ Films[J]. Acta Physico-Chimica Sinica, ;2010, 26(08): 2317-2322. doi: 10.3866/PKU.WHXB20100816 shu

Tribological Properties of Cu-Doped TiO₂ Films

CHAO Wen-Liu ¹ ,
WAN Yong ^1, ,
WANG Yun-Xia ¹ ,
LIU Chang-Song ² ,
^1,,

1.
1. School of Mechanical Engineering, Qingdao Technological University, Qingdao 266033, Shandong Province, P. R. China;
2. State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China

Corresponding author: ,
Received Date: 25 January 2010
Available Online: 21 June 2010
Fund Project: 山东省自然科学基金(Y2008F05) (Y2008F05)青岛市应用基础研究基金(09-1-3-35-jch)资助项目 (09-1-3-35-jch)

Undoped TiO₂ and Cu-doped TiO₂ (Cu-TiO₂) nano-structured thin films were prepared by a sol-gel process on glass substrates. We investigated their structures, surface morphologies, and tribological properties by X-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM), X-ray diffraction (XRD), and friction and wear testing using a UMT-3 tester. We found that the prepared Cu-TiO₂ films were smoother and more uniform than the undoped TiO₂ films and they had better friction-reducing and anti-wear properties. The amount of Cu dopant directly affects the tribological performance of the doped TiO₂ film. The 5%(mole fraction) Cu-TiO₂ film possesses the longest wear life and the lowest friction coefficient.
- TiO₂,
- Sol-gel,
- Thin film,
- Cu doped,
- Tribological property
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沈阳化工大学材料科学与工程学院沈阳 110142

Tribological Properties of Cu-Doped TiO2 Films

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Tribological Properties of Cu-Doped TiO₂ Films