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首页> 外文会议>Fullerenes and Nanotubes: The Building Blocks of Next Generation Nanodevices: Fullorenes >CHEMICAL FORCE MICROSCOPY OF SINGLE WALLED CARBON NANOTUBES
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CHEMICAL FORCE MICROSCOPY OF SINGLE WALLED CARBON NANOTUBES

机译：单壁碳纳米管的化学力显微镜

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摘要

Chemical Force Microscopy/Spectroscopy are important new methods for probing interactions between molecules and surfaces. We have utilized these methods to examine the affinity of substituted alkanes with the surface of single walled carbon nanotubes (SWNT). Force volume images of SWNTs were obtained using gold-coated AFM tips functionalized with terminally-substituted alkanethiols. Analysis of these images enabled quantification of the adhesive interactions between the functionalized tip and the SWNT surface. The resultant adhesive forces were shown to be dependent upon surface topography, tip shape, and the terminal group on the alkanethiol. Since the tensile modulus, strength, and strain of SWNTs are greater than steel, they are ideal components for next generation composite materials. The information presented herein will aid in the design of new, light-weight, high-strength composite systems with uniform mechanical properties.
机译：化学力显微镜/光谱学是探测分子与表面之间相互作用的重要新方法。我们已经利用这些方法来检查取代烷烃与单壁碳纳米管（SWNT）表面的亲和力。使用用末端取代的链烷硫醇官能化的金包被的AFM探针获得SWNT的力体积图像。这些图像的分析能够量化功能化的尖端和SWNT表面之间的粘合剂相互作用。所得的粘合力显示取决于表面形貌，尖端形状和链烷硫醇上的末端基团。由于单壁碳纳米管的拉伸模量，强度和应变大于钢，因此它们是下一代复合材料的理想组件。本文提供的信息将有助于设计具有均匀机械性能的新型，轻质，高强度复合材料系统。

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