在原子力显微镜上,对分子链长相同、官能团不同的两种自组装分子膜的摩擦特性进行了研究,分析了载荷和滑动速度对自组装分子膜摩擦特性的影响.结果表明:自组装分子末端官能团的化学活性越强,形成的自组装分子膜的团簇特征越显著;对于两种短链自组装分子,摩擦力随着载荷的增大而增大,而滑动速度的影响在自组装分子末端官能团化学活性较大时才表现出来.形成结构稳定的自组装分子膜后,摩擦力比成膜初期的自组装分子膜显著降低,具有减摩效应.具有较强化学活性官能团的自组装分子膜,当载荷增加到一定值以后,会失去减摩效应,其化学活性越强,摩擦力越大.
参考文献
| [1] | M.H.Stephen, in New Tribological Frontier and Future Trends Conference Proceedings, Nano-lubrication:Concept and Design (Beijing, Society of Tribologists and Lubrication Engineers and Chinese Tribology Institutes, 2002) p.5 |
| [2] | H.C.Zhang, K.Ono, Tribology International, 36(4～6), 361(2003) |
| [3] | B.Bhushan, Tribology Issues and Opportunities in MEMS (Dordrecht, Netherlands, Kluwer Academic Publishers, 1998) p.639 |
| [4] | REN Sili, YANG Shengrong, ZHANG Junyan, ZHANG Xushou, Tribology, 20(5), 395(2000)(任嗣利,杨生荣,张俊彦,张绪寿,摩擦学学报,20(5),395(2000)) |
| [5] | W.R.Ashurst, C.Yau, C.Carraro, R.Maboudian, M.T.Duqqer, Journal of Microelectromechanical Systems,10(1), 41(2001) |
| [6] | R.Maboudian, W.R.Ashurst, C.Carraro, Sensors and Actuators A: Physical, 82(1), 219(2000) |
| [7] | A.Ulman, An Introduction to Ultrathin Organic Films, from Langmuir-Blodgett to Self-Assembly, (Boston,Academic Press, 1991) p.238 |
| [8] | L.Y.Li, S.F.Chen, S.Y.Jiang, Langmuir, 19(3), 666(2003) |
| [9] | QIAN Linmao, LUO Jianbin, WEN Shizhu, XIAO Xudong, Acta Physica Sinica, 49(11), 2240(2000)(钱林茂,雒建斌,温诗铸,萧旭东,物理学报,49(11),2240(2000)) |
| [10] | QIAN Linmao, LUO Jianbin, WEN Shizhu, XIAO Xudong, Acta Physica Sinica, 49(11), 2247(2000)(钱林茂,雒建斌,温诗铸,萧旭东,物理学报,49(11),2247(2000)) |
| [11] | X.Y.Yang, S.S.Perry, Langmuir, 19(15), 6135(2003) |
| [12] | C.C.Susannah, P.F.Nealey, Langmuir, 17(3), 720(2001) |
| [13] | H.Brunner, T.Vallant, U.Mayer, H.Hoffmann, B.Basnar, M.Vallant, G.Friedbacher, Langmuir, 15(6), 1899(1999) |
| [14] | J.Choi, T.Ishida, T.Kato, S.Fujisawa, Tribology International, 36(4～6), 285(2003) |
| [15] | Z.Q.Wei, C. Wang, C.F.Zhu, C.Q.Zhou, B.Xu, C.L.Bai, Surface Science, 459, 401(2000) |
| [16] | C.B.Gorman, Y.F.He, R.L.Carroll, Langmuir, 17(17), 5324(2001) |
| [17] | G.Celichowski, I.Piwonski, M.Cichomski, K.koralewski, S.Plaza, W.Olejniczak, J.Grobelny, Tribology Letter,14(3), 181(2003) |
| [18] | N.J.Brewer, B.D.Beake, G.J.Leqqett, Langmuir, 17(6), 1970(2001) |
| [19] | H.Liu, B.Bhushan, W.Eck, V.Stadler, Journal of Vacuum Science and Technology, 19(4), 1234(2001) |
| [20] | R.W.Carpick, M.Salmeron, Chem. Rev., 97, 1163(1997) |
| [21] | S.F.Chen, L.Y.Li, C.L.Boozer, S.Y.Jiang, Journal of Physical Chemistry B, 105(15), 2975(2002) |
| [22] | N.P. Suh, H.C.Sin, Wear, 69, 91(1981) |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%