The characterization and application of p-type semiconducting mesoporous carbon nanofibers

The characterization and application of p-type semiconducting mesoporous carbon nanofibers
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p型半导体介孔碳纳米纤维的表征及应用

DOI:
10.1016/j.carbon.2009.03.029
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发表时间:
2009-06
期刊:
影响因子:
10.9
通讯作者:
Shen, Zexiang
Shen, Zexiang
中科院分区:
材料科学2区
文献类型:
--
作者:
Chang, Xiaofeng;Liao, Lei;Ji, Guangbin;Gong, Hao;Zhang, Zhou;Cao, Jian;Yu, Ting;Wu, Tom;Zheng, Mingbo;Yan, Bin;Cao, Jieming;Zhang, Jixuan;Shen, Zexiang

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采用扫描电镜、透射电镜、纳米拉曼光谱、氮气吸附-脱附和光学透射等方法对介孔碳纳米纤维的微观结构进行了表征。它们具有高的比表面积840 m2 g-1和1.07eV的带隙。所有的介孔碳纳米管网络都可以作为p型场效应晶体管器件的沟道材料,其场效应迁移率超过10 cm 2/Vs。此外,介孔碳纳米管网络对NO2气体具有比碳纳米管更好的灵敏度和更快的响应速度,这使其成为一种有希望的有毒气体传感纳米器件。
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 840m2g−1and a 1.07eV 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 10cm2/Vs. Furthermore, mesoporous carbon nanofiber network exhibits better sensitivity and faster response to NO2gas than that of carbon nanotubes, which makes it a promising candidate as poisonous gas sensing nanodevices.
通过简单模板法一步合成新型介孔碳纳米纤维
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