化学气相沉积工艺制备绳状纳米碳管的研究  

Preparation of carbon nanotube ropes by chemical vapor deposition

作　　者：古玲[1] 赵建国[1,2] 

机构地区：[1]山西大同大学炭材料研究所,山西大同037009 [2]方大炭素新材料科技股份有限公司,甘肃兰州730084

出　　处：《炭素技术》2011年第2期6-8,共3页Carbon Techniques

基　　金：国家自然科学基金(51072105);山西省高等学校优秀青年学术带头人支持计划;山西省国际科技合作项目(2010081026)

摘　　要：用硝酸铁作催化剂,乙炔作碳源气体,高纯氮气作稀释气体,在750℃下化学气相沉积生长了绳状纳米碳管,用高分辨扫描电镜观察了所得绳状纳米碳管的形貌。纳米碳管的直径为100～200 nm,长度为10～20μm。文中还提出了绳状纳米碳管的生长机理。Carbon nanotube ropes had been synthesized with the presence of catalyst Fe（NO3）3 by using acetylene as the carbon source at 750 ℃.The as-received rope-type carbon nanotubes were characterized by scanning electron microscopy.The diameters of the as-produced carbon nanotubes range from 100 nm to 200 nm,and the lengths range from 10 μm to 20 μm.The tentative growth mechanism for rope-type carbon nanotubes had been suggested and discussed.

关 键 词：纳米碳管 扫描电子显微镜 化学气相沉积 

分 类 号：O613.71[理学—无机化学] TB383[理学—化学]