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Preparation and characterization of helical carbon/silica nanofibers with lamellar mesopores on the surfaces

Qing Wang ,  Bao-Zong Li ,  Yi Li

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Citation:  Qing Wang, Bao-Zong Li, Yi Li. Preparation and characterization of helical carbon/silica nanofibers with lamellar mesopores on the surfaces[J]. Chinese Chemical Letters, 2014, 25(2): 253-256. shu

Preparation and characterization of helical carbon/silica nanofibers with lamellar mesopores on the surfaces

    • 通讯作者: Bao-Zong Li,
  • 基金项目:

    This work was supported by Natural Science Foundation of Jiangsu Province (No. BK2011354) (No. BK2011354)

    the Priority Academic Program Development of Jiangsu High Education Institutions (PAPD) (PAPD)

摘要: Helical 1,2-ethylene-silica nanofibers with lamellar mesopores on the surfaces and twisted rod-like mesopores inside were prepared according to literature procedures. After carbonization, helical carbon/silica nanofibers with lamellar mesopores on the surfaces and twisted rod-like micropores inside were obtained. The morphologies and pore architectures of the carbon/silica nanofibers were characterized using transmission electron microscopy, field-emission scanning electron microscopy, powder X-ray diffraction and N2 sorptions. Although the mesopores inside shrank into micropores, the helical nanostructure remained. Moreover, several carbon/silica nanofibers with lamellar mesopores on the surfaces and concentric circular micropores inside were also obtained. After being calcined in air, helical silica nanofibers with lamellar mesopores on the surfaces and twisted rod-like micropores inside were produced as well.

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  • 收稿日期:  2013-08-07
  • 网络出版日期:  2013-09-27
通讯作者: 陈斌, bchen63@163.com
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