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中文摘要：
在这份报纸，我们报导 tribological 性质自我装配分子(SAM ) 与不同链长度， fluoroalkylsilanes 和 non-fluoroalkylsilanes 的电影由共有原子价契约在 Si 底层表面上吸附了。SAM 电影用一个通用球磁盘被描绘在水的答案的试验性的测试者。底层表面被 X 光检查光电子光谱学(XPS ) 检验，并且 SAM 电影在 Si 表面上吸附了被接触角度大小和 XPS 检查。润滑油研究表明几种 fluoroalkylsilanes 有类似的磨擦系数；小差别被归因于链灵活性。相反，在 non-fluoroalkylsilanes 的 SAM 电影的水的润滑油性质的差别清楚地被识别。有氟的符号原子和 fluoroalkylsilanes 的表面亲密关系的替换贡献了表面变化的再分配，这被建议，引起在润滑油行为的变化。
英文摘要：
In this paper, we report the tribological properties of self-assembled molecular （SAM） films of fluoroalkylsilanes and non-fluoroalkylsilanes, with different chain-lengths, adsorbed on Si substrate surfaces by covalent bonds. The SAM films were characterized using a universal bail-disk experimental tester in aqueous solutions. The substrate surface was examined by X-ray photoelectron spectroscopy （XPS）, and the SAM films adsorbed on the Si surfaces were inspected by contact angle measurements and XPS. Lubrication studies revealed that several kinds of fluoroalkylsilanes had similar friction coefficients; the small differ- ences were attributed to the chain flexibility. In contrast, differences in the aqueous lubrication properties of SAM films of non-fluoroalkylsilanes were clearly identified. It is suggested that substitution with fluorine atoms and the surface affinities of fluoroaikylsilanes contributed to redistribution of surface changes, causing variations in lubrication behaviors.
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