窄直径分布竹节状纳米碳管膜的制备和表征

无机材料学报

窄直径分布竹节状纳米碳管膜的制备和表征

徐军明; 张孝彬; 陈飞; 丁志鹏; 李昱

浙江大学材料物理与微结构研究所硅国家重点实验室杭州 310027

收稿日期:2003-09-25 修回日期:2004-01-12 出版日期:2004-09-20 网络出版日期:2004-09-20

Production of Bamboo-shape Carbon Nanotubes Film with Uniform Diameter Distribution and Its Characterizations

XU Jun-Ming; ZHANG Xiao-Bin; CHEN Fei; DING Zhi-Peng; LI Yu

Department of Materials Science and Engineering; State Key Lab of Silicon; Zhejiang University; Hangzhou 310027; China

Received:2003-09-25 Revised:2004-01-12 Published:2004-09-20 Online:2004-09-20

摘要/Abstract

摘要： 采用短时间一次阳极氧化法制备了纳米级孔氧化铝(AAO)模板,有效地缩短了模板的制备时间,获得的AAO模板孔洞排列有序程度虽有所下降,但分布依然均匀.该模板有效地增加了表面积,为金属沉积提供了均匀的纳米孔洞.采用电沉积法在AAO模板上沉积了颗粒尺寸一致且分布均匀的钴催化剂层后,用CVD法在该模板上生长纳米碳管.经SEM和TEM观察,所制得的纳米碳管密度高直径分布均匀,具有单一的竹节状结构,而且直径远小于孔径.试用了生长动力学来解释这种竹节状纳米碳管的形成原因.

关键词: 纳米碳管, AAO模板, 电沉积法

Abstract: the AAO template was produced with one step anodizing oxidation, the pores were not well arrayed in order,
but they were distributed on substrate almost in proportional spacing, they effectively increased the surface area and provided depositing sites for
catalysts. Cobalt particles were uniformly electrodeposited on this AAO template, the cobalt particles had uniform diameter. CVD were used to grow carbon nanotubes on this template. The investigation of SEM
and TEM showed that carbon nanotubes in high density uniformly covered the surface of the template and formed a film. These carbon nanotubes
had the single shape of bamboo. The growth mechanism of these carbon nanotubes with bamboo shape was proposed on the basis of growth dynamics.

Key words: carbon nanotube, AAO template, electrodeposited method

中图分类号:

TQ127

徐军明,张孝彬,陈飞,丁志鹏,李昱. 窄直径分布竹节状纳米碳管膜的制备和表征[J]. 无机材料学报.

XU Jun-Ming,ZHANG Xiao-Bin,CHEN Fei,DING Zhi-Peng,LI Yu. Production of Bamboo-shape Carbon Nanotubes Film with Uniform Diameter Distribution and Its Characterizations[J]. Journal of Inorganic Materials.

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