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A Study on the Influence of Surface Active Agent Molecules on the AFM Scanning and Imaging of SWCNTs

机译:表面活性剂分子对SWCNTs AFM扫描成像的影响研究

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摘要

The paper proposed a preprocessing method for scanning samples based on rinsing technology, and solved the effective fabrication problem of AFM scanning samples based on facilitated dispersing sWCNTs with SDS surface active agents. First, the ultrasonication oscillation method was applied, and the uniform alignment of SWCNTs in SDS was realized. Then, SDS solution of different concentrations was scanned and imaged with AFM, the influence of SDS solution on the imaging quality of SWCNTs was analyzed, and the method to effectively fabricate scanning samples after dispersing SWCNTs was found. The results of the experiments showed that the preprocessing of the SWCNTs solution scanning samples was the decisive factor to influence SWCNTs imaging quality, that the result of rinsing SWCNTs scanning samples for 5s at 0.1ml/s with di-ionized water was the best, and that with the same rinsing rate and angle, the rinsing di-ionized water quantity would influence the alignment degree of SWCNTs on the substrates and SDS macromolecules' residual quantity on SWCNTs scanning samples.
机译:提出了一种基于漂洗技术的样品扫描预处理方法,解决了将sWCNT与SDS表面活性剂分散的AFM扫描样品的有效制备问题。首先,应用超声振荡方法,实现了SCNT中SWCNT的均匀排列。然后,对不同浓度的SDS溶液进行扫描和原子力显微镜成像,分析了SDS溶液对SWCNTs成像质量的影响,找到了分散SWCNTs后有效制备扫描样品的方法。实验结果表明,SWCNTs溶液扫描样品的预处理是影响SWCNTs成像质量的决定性因素,用去离子水将SWCNTs样品以0.1ml / s冲洗5s的结果最好,并且在相同的漂洗速率和漂洗角度下,漂洗的去离子水量会影响基质上SWCNT的取向度,并影响SWDS扫描样品上SDS高分子的残留量。

著录项

  • 来源
  • 会议地点 Xiangtan(CN);Xiangtan(CN)
  • 作者单位

    State Key Laboratory of Robotics,Shenyang Institute of Automation,CAS,Shenyang 110016,China Graduate University of the Chinese Academy of Sciences,Beijing 100049,China;

    Northeastern University,Shenyang 110004,China;

    State Key Laboratory of Robotics,Shenyang Institute of Automation,CAS,Shenyang 110016,China Graduate University of the Chinese Academy of Sciences,Beijing 100049,China;

    State Key Laboratory of Robotics,Shenyang Institute of Automation,CAS,Shenyang 110016,China;

    State Key Laboratory of Robotics,Shenyang Institute of Automation,CAS,Shenyang 110016,China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 特种结构材料;
  • 关键词

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