The characterization and application of p-type semiconducting mesoporous carbon nanofibers
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- 作者：Lei Liao ; Mingbo Zheng ; Zhou Zhang ; Bin Yan ; Xiaofeng Chang ; Guangbin Ji ; Zexiang Shen ; Tom Wu ; Jieming Cao ; Jixuan Zhang ; Hao Gong ; Jian Cao ; Ting Yu
- 刊名：Carbon
- 出版年：2009
- 出版时间：June 2009
- 年：2009
- 卷：47
- 期：7
- 页码：1841-1845
- 全文大小：828 K
文摘
The microstructures of mesoporous carbon nanofibers were characterized by scanning electron microscopy, transmission electron microscopy, nano-Raman, nitrogen adsorption–desorption and optical transmission. They possessed a high specific surface area 840 m2 g−1 and a 1.07 eV band gap. All mesoporous carbon nanofiber network can act as the channel material in p-type field-effect transistor devices with field-effect mobilities over 10 cm2/V s. Furthermore, mesoporous carbon nanofiber network exhibits better sensitivity and faster response to NO2 gas than that of carbon nanotubes, which makes it a promising candidate as poisonous gas sensing nanodevices.