期刊
RSC ADVANCES
卷 5, 期 50, 页码 39884-39888出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra03900b
关键词
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资金
- Key Basic Research Project of China (973 Program) [2013CB632300]
- National Natural Science Foundation of China [51275508, 51205383]
This research presents a general electrophoretic deposition (EPD) method, which offers selective preparation of various heteroatom-containing (i.e., H, Cl, F, N, and S) carboxylic acid molecular (CAM) films directly on silicon wafers, as long as the precursors are water-soluble carboxylic acids. Among them, the as-prepared fluoro-carboxylic acid (trifluoroacetic acid) molecular film with controllable thickness exhibits a longer wear life than self-assembled monolayers (SAMs), along with very low friction coefficient and a superior tolerance to humidity. It may be a promising candidate to replace SAMs as a more wear-resistant solid lubricant in micro/nano electromechanical systems (MEMS/NEMS).
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