| 利用基板法在V型热解火焰中合成碳纳米管的实验研究 |
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| 引用本文： | 孙保民,刘远超,李磊,丁兆勇,赵惠富,祝欣慰.利用基板法在V型热解火焰中合成碳纳米管的实验研究[J].人工晶体学报,2009(Z1). |
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| 作者姓名： | 孙保民 刘远超 李磊 丁兆勇 赵惠富 祝欣慰 |
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| 作者单位： | 华北电力大学电站设备状态监测与控制教育部重点实验室;中国科学院工程热物理研究所; |
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| 基金项目： | 国家自然科学基金(No.50676032) |
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| 摘 要： | 利用V型热解火焰合成碳纳米管是一项新的技术和方法,实验中采用304不锈钢片作为取样基板,将硝酸镍溶液均匀涂敷在取样基板上作为催化剂,利用扫描电镜和透射电镜对碳纳米管进行形态和结构表征。实验中得到了典型形态及特殊形态的碳纳米管,催化剂颗粒的直径在为5~8 nm之间。实验结果表明,取样时间为10 min,温度约为1150 K时最有利于产生碳纳米管。最后分析讨论了特殊形态的碳纳米管的结构及可能的形成机理。
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| 关 键 词： | V型热解火焰 碳纳米管 取样基板 硝酸镍 取样时间 温度 |
Study on Synthesis of Carbon Nanotubes in V-shaped Pyrolysis Flame by Substrate Method |
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| SUN Bao-min,LIU Yuan-chao,LI Lei,DING Zhao-yong,ZHAO Hui-fu,ZHU Xin-wei.Study on Synthesis of Carbon Nanotubes in V-shaped Pyrolysis Flame by Substrate Method[J].Journal of Synthetic Crystals,2009(Z1). |
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| Authors: | SUN Bao-min LIU Yuan-chao LI Lei DING Zhao-yong ZHAO Hui-fu ZHU Xin-wei |
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| Institution: | 1.Key Laboratory of Condition Monitoring and Control for Power Plant Equipment;Ministry of Education;North China Electric Power University;Beijing 102206;China;2.Institute of Engineering Thermophysics;Chinese Academy of Sciences;Beijing 100080;China |
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| Abstract: | Synthesis of carbon nanotubes from V-shaped pyrolysis flame is a kind of novel technique.The sampling substrate material is type 304 stainless steel.As catalyst precursor,nitric acid nickel solution will be in uniform coated on the surface of the sampling substrate.The carbon nanotubes morphology and structure were characterized by scanning electron microscopy(SEM) and transmission electron microscopy(TEM).The typical and special structure of carbon nanotubes were synthesized in the V-shaped pyrolysis flame... |
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| Keywords: | V-shaped pyrolysis flame carbon nanotubes sampling substrate nitric acid nickel sampling time temperature |
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