Mechanical shuttling of linear motor-molecules in condensed phases on solid substrates

被引:106
作者
Huang, TJ
Tseng, HR
Sha, L
Lu, WX
Brough, B
Flood, AH
Yu, BD
Celestre, PC
Chang, JP
Stoddart, JF
Ho, CM
机构
[1] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA
[2] Univ Calif Los Angeles, Dept Mech & Aerosp Engn, Los Angeles, CA 90095 USA
[3] Univ Calif Los Angeles, Dept Chem Engn, Los Angeles, CA 90095 USA
[4] Univ Calif Los Angeles, Calif NanoSyst Inst, Los Angeles, CA 90095 USA
[5] Univ Calif Los Angeles, Inst Cell Mimet Space Explorat, Los Angeles, CA 90095 USA
关键词
D O I
10.1021/nl035099x
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
From analyses of pressure-area isotherms and X-ray photoelectron spectra, we have demonstrated that redox-controllable molecular shuttles, in the shape of amphiphilic, bistable rotaxanes, are mechanically switchable in closely packed Langmuir films with chemical reagents. Additionally, mechanical switching has been proven to occur in closely packed Langmuir-Blwodgett bilayers while mounted on solid substrates. The results not only constitute a proof of principle but they also provide the impetus to develop solid-state nanoelectromechanical systems that have the potential to reach up to the mesoscale.
引用
收藏
页码:2065 / 2071
页数:7
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