Synthesis and characterisation of ordered arrays of mesoporous carbon nanofibres
Synthesis and characterisation of ordered arrays of mesoporous carbon nanofibres
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DOI：
10.1039/b817156d
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发表时间：
2009-02
影响因子：
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通讯作者：
Kaixue Wang;P. Birjukovs;D. Erts;R. Phelan;M. Morris;Haoshen Zhou;J. Holmes
中科院分区：
文献类型：
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作者：
Kaixue Wang;P. Birjukovs;D. Erts;R. Phelan;M. Morris;Haoshen Zhou;J. Holmes
通过苯酚/甲醛甲阶酚醛树脂和两亲性共聚物模板的受限自组装，一步合成了有序排列的介孔碳纳米结构。介孔碳纳米结构的形态可以通过改变共聚物表面活性剂、所使用的甲阶酚醛树脂-表面活性剂前体溶胶的量以及引入甲阶酚醛树脂-表面活性剂溶胶中的苯酚-甲醛甲阶酚醛树脂的量来控制。已经成功地制备了一维（1-D）碳纳米结构，例如具有核-壳结构的碳纤维和具有平行于带的纵向轴线的圆形介孔的碳带。更重要的是，这些1-D碳纳米结构内的中孔通道的取向可以通过改变AAO膜的平均孔径和在其制备中使用的表面活性剂来调节。这些垂直排列的AAO膜内的介孔碳纳米纤维的导电性能的特征在于通过导电原子力显微镜（C-AFM）。
A facile and reproducible one-step pathway has been developed for preparing ordered arrays of mesoporous carbon nanostructures within the pores of anodized aluminium oxide (AAO) membranes, through the confined self-assembly of phenol/formaldehyde resol and amphiphilic copolymer templates. The morphology of the mesoporous carbon nanostructures can be controlled by varying the copolymer surfactant, the quantity of the resol–surfactant precursor sol used and the amount of phenol–formaldehyde resol introduced into the resol–surfactant sol. One-dimensional (1-D) carbon nanostructures, such as carbon fibres with a core–shell structure and carbon ribbons with circular mesopores running parallel to the longitudinal axis of the ribbons, have been successfully prepared. More importantly, the orientation of the mesoporous channels within these 1-D carbon nanostructures can be tuned by changing the mean pore diameter of the AAO membranes and the surfactants used in their preparation. The conductive properties of these vertically aligned mesoporous carbon nanofibres within the AAO membranes have been characterised by conductive atomic force microscopy (C-AFM).