| CO_2激光辐照石墨产生的碳纳米结构 |
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| 引用本文： | 王震遐,余礼平,马余刚,朱志远,何国伟,胡岗,陈一,王绍民,黄富泉,胡来归.CO_2激光辐照石墨产生的碳纳米结构[J].化学学报,2002,60(8):1411-1414. |
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| 作者姓名： | 王震遐 余礼平 马余刚 朱志远 何国伟 胡岗 陈一 王绍民 黄富泉 胡来归 |
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| 作者单位： | 中国科学院上海原子核研究所.上海(201800);复旦大学材料系. 上海(200433);浙江大学物理系,杭州(310028) |
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| 基金项目： | 中国科学院知识创新工程重要方向项目 (No .2 60 10 0 3 1) |
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| 摘 要： | 用高分辨透射电子显微镜（HRTEM）检查连续波CO_2激光束（波长10.6 μm， 功率300 W）辐照石墨后发现，不但有通常所见的碳纳米多面体（polyhedrons)， 纳米洋葱（onions)和纳米管，而且也罕见的腔内充填大小不等空心洋葱（hollow onions, HOs）的碳纳米袋（nano-bags)。同时，在纳米袋中一些结构相似的碳 HO聚生成为HO团簇。根据这些团簇的排布情况，我们认为这种聚生物有可能是HO结 晶晶格生长的前体（precursor)。
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| 关 键 词： | 碳 纳米相材料 激光辐照 透射电子显微镜 簇状化合物 |
| 修稿时间： | 2001年12月12 |
Production of Carbon Nanostructures by CO_2-Laser Irradiating Graphite |
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| Wang Zhenxia,Yu Liping,Ma Yugang,Zhu Zhiyuan,He Guowei,Hu Gang,Chen Yi,Wang Shaoming,Huang Fuquan,Hu Laigui.Production of Carbon Nanostructures by CO_2-Laser Irradiating Graphite[J].Acta Chimica Sinica,2002,60(8):1411-1414. |
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| Authors: | Wang Zhenxia Yu Liping Ma Yugang Zhu Zhiyuan He Guowei Hu Gang Chen Yi Wang Shaoming Huang Fuquan Hu Laigui |
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| Institution: | Shanghai Institute of Nuclear Research, Chinese Academy of Sciences. Shanghai(201800);Department of Material, Fudan University.Shanghai (200433);Department of Physics, Zhejiang University,Hangzhou(310028) |
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| Abstract: | A continuous-wave (CW) CO_2-laser with wave length of 10.6 μm has been employed to irradiate graphite targets in air and various carbon nanostructures have been revealed by a high-resolution transmission electron microscope (HRTEM). It was found that not only carbon polyhedrons, onions and nanotubes but also unusual nano-bags filled with hollow-onions of variable diameters were produced, and that some of the similar hollow-onions agglomerated into clusters in which the hollow-onions appear to grow spontaneously. It is proposed that these agglomerated products may be a precursor for hollow-onion crystal lattice growth. |
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| Keywords: | carbon nanostructures CO 2 laser irradiation HRTEM |
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