| 毛刺状竹节结构氮化硼纳米管的合成与生长机理 |
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| 引用本文： | 张弜,陈熹. 毛刺状竹节结构氮化硼纳米管的合成与生长机理[J]. 化学物理学报, 2014, 27(5): 555-558 |
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| 作者姓名： | 张弜 陈熹 |
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| 作者单位： | 华南理工大学物理系，广州 510640;华南理工大学物理系，广州 510640 |
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| 摘 要： | 以非晶硼和氧化镍纳米颗粒为原料，在氨气中1100 oC下合成了毛刺状竹节结构的氮化硼纳米管. 利用X射线衍射和透射电镜研究了氮化硼纳米管的结构和形貌. 竹节结构纳米管表面的毛刺是六方氮化硼的纳米薄片. 提出了一种基于固态硼和气态二氧化硼扩散的毛刺形貌生长机理.
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| 关 键 词： | 氮化硼纳米管，热化学合成，X射线衍射，透射电镜 |
| 收稿时间： | 2014-03-05 |
Fabrication and Growth Mechanism of Bamboo-structured Boron Nitride Nanotubes with Thorn-Like Morphology |
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| Jiang Zhang and Xi Chen. Fabrication and Growth Mechanism of Bamboo-structured Boron Nitride Nanotubes with Thorn-Like Morphology[J]. Chinese Journal of Chemical Physics, 2014, 27(5): 555-558 |
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| Authors: | Jiang Zhang and Xi Chen |
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| Affiliation: | Department of Physics, South China University of Technology, Guangzhou 510641, China;Department of Physics, South China University of Technology, Guangzhou 510641, China |
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| Abstract: | Bamboo-structured boron nitride (BN) nanotubes with thorn-like morphology were synthe-sized by thermal chemical reaction using amorphous boron powders and NiO nanoparticles as precursors under the flow of NH3 at 1100 oC. The structural and morphological charac-teristics of BN nanotubes were investigated by X-ray diraction and transmission electron microscopy. The results showed that the thorn-like nanostructures attaching to the stems of bamboo-structured BN nanotubes were the hexagonal BN nano akes. Based on the diffu-sion of solid B and vapor B2O2, a possible growth mechanism of these novel thorn-like BN nanotubes was primarily proposed. |
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| Keywords: | BN nanotube Thermal chemical synthesis X-ray diffraction Electron mi-croscopy |
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