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Self-Assembly of Polyaniline-From Nanotubes to Hollow Microspheres

机译：聚苯胺的自组装-从纳米管到空心微球

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摘要

By simply changing the molar ratio of the dopant to monomer, the morphology of salicylic acid (SA)-doped polyaniline (PANI) can be changed from one-dimensional nanotubes (～109-150 nm in diameter) to three-dimensional hollow microspheres (～1.5-3.1 蘭 in diameter) via a self-assembly process. Freeze-fracture electron microscopy (FFEM) proved that hollow spherical micelles composed of SA/aniline act as templates in the formation of either nanotubes or hollow spheres. FTIR and X-ray diffraction measurements suggest that the hydrogen bond of the -OH group of SA with the amine group of PANI might be a driving force for self-assembling hollow microspheres, while the hydrogen bond through hydrogen and oxygen of the adjacent SA doped on the polymer chains results in short-range order of the counter-ions along the polymer chain in the nanotubes.
机译：只需改变掺杂剂与单体的摩尔比，即可将水杨酸（SA）掺杂的聚苯胺（PANI）的形态从一维纳米管（直径约为109-150 nm）变为三维中空微球（直径约为1.5-3.1兰）。冷冻断裂电子显微镜（FFEM）证明，由SA /苯胺组成的空心球形胶束在纳米管或空心球的形成中充当模板。 FTIR和X射线衍射测量结果表明，SA的-OH基团的氢键与PANI的胺基团的氢键可能是自组装空心微球的驱动力，而相邻SA的氢和氧掺杂了氢键聚合物链上的碳原子数会导致抗衡离子在纳米管中沿着聚合物链的近程顺序。

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  • 来源
    《Advanced Functional Materials》 |2003年第10期|p. 815-820|共6页
  • 作者

    Lijuan Zhang; Meixiang Wan;

  • 作者单位

    Organic Solid Laboratory, Center for Molecular Science Institute of Chemistry, Chinese Academy of Sciences Beijing, 100080 (P.R. China);

    Organic Solid Laboratory, Center for Molecular Science Institute of Chemistry, Chinese Academy of Sciences Beijing, 100080, (P.R. China);

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 无线电电子学、电信技术;
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