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首页> 外文期刊>Advanced Functional Materials >Formation of Chiral Mesopores in Conducting Polymers by Chiral-Lipid-Ribbon Templating and 'Seeding' Route
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Formation of Chiral Mesopores in Conducting Polymers by Chiral-Lipid-Ribbon Templating and 'Seeding' Route

机译：通过手性-脂质-带状模板和“播种”途径在导电聚合物中形成手性中孔

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摘要

Conducting polymer nanoflbers with controllable chiral mesopores in the size, the shape, and handedness have been synthesized by chiral lipid ribbon templating and "seeding" route. Chiral mesoporous conducting poly(pyrrole) (CMPP) synthesized with very small amount of chiral amphiphilic molecules (usually < 3%) has helically twisted channels with well-defined controllable pore size of 5-20 nm in central axis of the twisted fibers. The structure and chirality of helical mesopores have been characterized by high-resolution transmission electron microscope (HRTEM), scanning electron microscope (SEM) and electron tomography. The average pore diameters of chiral mesopores were approximately estimated from the N_2 adsorption-desorption data and calculated by the conversion calculation from helical ribbons to a rectangular straight tape. The pore size of CMPP has been controlled by choosing different alkyl chain lengths of chiral lipid molecules or precisely adjusting the H_2O/EtOH volume ratio.
机译：已经通过手性脂质带模板和“播种”途径合成了具有大小，形状和手感可控的手性中孔的导电聚合物纳米纤维。由极少量的手性两亲分子（通常<3％）合成的手性介孔导电聚吡咯（CMPP）在加捻纤维的中心轴上具有螺旋形扭曲通道，其可定义的可控孔径为5-20 nm。螺旋介孔的结构和手性已通过高分辨率透射电子显微镜（HRTEM），扫描电子显微镜（SEM）和电子断层扫描进行了表征。从N_2吸附-脱附数据近似估计手性中孔的平均孔径，并通过从螺旋带向矩形直带的转化计算来计算。通过选择不同的手性脂质分子的烷基链长度或精确调节H_2O / EtOH的体积比，可以控制CMPP的孔径。

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