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首页> 外文期刊>Advanced Functional Materials >Arsonic Acid Self-Assembled Monolayers Protect Oxide Surfaces from Micronewton Nanomechanical Forces
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Arsonic Acid Self-Assembled Monolayers Protect Oxide Surfaces from Micronewton Nanomechanical Forces

机译：亚磺酸自组装单层保护氧化物表面免受微牛顿纳米机械力的影响。

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摘要

The development of new surface coatings is critical for combating wear and increasing the device lifetime in microelectromechanical systems (MEMS). Here, a class of arsonic acid self-assembled monolayers (SAMs) is reported that form readily on oxide substrates including silicon oxide, borosilicate glass, and titanium oxide. Monolayers are easily prepared using a straightforward soaking technique, which is amenable to large-scale commercial applications. Monolayer formation on borosilicate glass and titanium oxide is characterized using infrared spectroscopy. Monolayers on borosilicate glass, native silicon oxide and titanium oxide are evaluated with contact angle measurements, as well as wear measurements using nanoscratching experiments. On titanium oxide and borosilicate glass, monolayers prepared from hexadecylarsonic acid provide significantly greater surface protection than surfaces reacted under similar conditions with hexadecylphosphonic acid, a common modifying agent for oxide substrates.
机译：在微机电系统（MEMS）中，开发新的表面涂层对于抵抗磨损和延长设备寿命至关重要。在此，据报道一类砷酸自组装单分子层（SAMs）容易在包括氧化硅，硼硅酸盐玻璃和氧化钛的氧化物衬底上形成。使用直接浸泡技术可以轻松制备单分子膜，该技术适合大规模商业应用。使用红外光谱法表征在硼硅酸盐玻璃和氧化钛上的单层形成。使用接触角测量以及使用纳米划痕实验进行的磨损测量来评估硼硅酸盐玻璃，天然氧化硅和氧化钛上的单层膜。在氧化钛和硼硅酸盐玻璃上，与在类似条件下与十六烷基膦酸（一种氧化物基材的常用改性剂）反应的表面相比，由十六烷基磺酸制备的单层膜可提供更好的表面保护。

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  • 来源
    《Advanced Functional Materials》 |2013年第19期|2415-2421|共7页
  • 作者

    Natalie A. LaFranzo; Joshua A. Maurer;

  • 作者单位

    Washington University in St. Louis Department of Chemistry Center for Materials Innovation One Brookings Drive Campus Box 1134, Saint Louis, MO 63130, USA;

    Washington University in St. Louis Department of Chemistry Center for Materials Innovation One Brookings Drive Campus Box 1134, Saint Louis, MO 63130, USA;

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