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Study on Synthesis and Gas Sensitivity of SnO2 Nanobelts
作者姓名:应鹏展  倪自丰  修伟杰  贾良菊  罗勇
作者单位:School of Materials Science and Engineering, China University of Mining and Technology, Xuzhou 221008
基金项目:Supported by the National Natural Science Foundation of China under Grant No 19974055.
摘    要:Tin dioxide (SnO2 ) nanobelts have been successfully synthesized in bulk quantity by the CVD process based on the thermal evaporation of tin powders. The x-ray diffraction analysis indicates that the nanobelts are the tetragonal futile structure of SnO2. Scanning electron microscopy and transmission electron microscopy observations reveal that the nanobelts are uniform. The selected-area electron diffraction analysis demonstrates that the nanobelts are single crystals. The energy dispersive x-ray analysis of the nanobelt shows that the nanobelts are composed of Sn and O, Gas-sensing components have been manufactured with prepared SnO2 nanobelts. Their performance indicates that SnO2 nanobelts have high sensitivity and selectivity to liquefied petroleum gas with fairly good response-recovery characteristic and stability at 220℃.

关 键 词:SnO2纳米带  热量蒸发  X射线衍射分析  电子显微术
收稿时间:2005-11-10
修稿时间:2005-11-10

Study on Synthesis and Gas Sensitivity of SnO2 Nanobelts
YING Peng-Zhan, NI Zi-Feng, XIU Wei-Jie, JIA Liang-Ju, LUO Yong.Study on Synthesis and Gas Sensitivity of SnO2 Nanobelts[J].Chinese Physics Letters,2006,23(4):1026-1028.
Authors:YING Peng-Zhan  NI Zi-Feng  XIU Wei-Jie  JIA Liang-Ju  LUO Yong
Abstract:
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