Production of Carbon Nanostructures by CO_2-Laser Irradiating Graphite

Acta Chimica Sinica ›› 2002, Vol. 60 ›› Issue (8): 1411-1414. Previous Articles Next Articles

Original Articles

CO_2激光辐照石墨产生的碳纳米结构

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

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)

发布日期:2002-08-15

Production of Carbon Nanostructures by CO_2-Laser Irradiating Graphite

Wang Zhenxia;Yu Liping;Ma Yugang;Zhu Zhiyuan;He Guowei;Hu Gang;Chen Yi;Wang Shaoming;Huang Fuquan;Hu Laigui

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)

Published:2002-08-15

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.

Key words: CARBON, NANOPHASE MATERIALS, LASER RADIATION, TEM, CLUSTER COMPOUND

CLC Number:

O644

Cite this article

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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CO_2激光辐照石墨产生的碳纳米结构

Production of Carbon Nanostructures by CO_2-Laser Irradiating Graphite

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