Effect of UV irradiation on wear protection of TiO2 and Ni-doped TiO2 coatings

被引：10
|
作者：
Wan, Yong [1 ]
Sun, Baojian [1 ]
Xu, Zhen [1 ]
Chao, Wenliu [1 ]
机构：
[1] Qingdao Technol Univ, Sch Mech Engn, Qingdao 266033, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2012年 / 258卷 / 10期
关键词：
Thin film; Sol-gel; TiO2; Friction; Surface energy; SUM-FREQUENCY GENERATION; THIN-FILMS; TRIBOLOGICAL PROPERTIES; MECHANICAL-PROPERTIES; SURFACE; HYDROPHILICITY; TITANIA; HYDROCARBONS; WETTABILITY; CONTACT;
D O I：
10.1016/j.apsusc.2011.12.111
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The relationship between UV photoinduced hydrophilicity and tribological performance of the thin films of pure and Ni-doped TiO2 was investigated in this paper. The films were prepared on a glass substrate by sol-gel and spin coating process from specially formulated ethanol sols. The chemical structure and morphologies of the films surface were observed with X-ray photoelectron spectroscopy (XPS), X-ray Diffraction (XRD) and atomic force microscope (AFM). The tribological properties of obtained thin films, when sliding against steel ball, were evaluated on a one-way reciprocating friction tester. It is clearly observed that UV irradiation resume the hydrophobicility of the films of pure and Ni-doped TiO2, however greatly worsen their wear protection properties. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：4347 / 4350
页数：4
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