硼碳氮纳米管的制备及其表征.pdf

文档介绍：第卷第期化工学报
56 2 VOl. 56 NO. 2
年月
2005 2 JOur nal Of Che mical Industr y and Engi neeri ng Chi na Febr uar y 2005
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研究论文妥硼碳氮纳米管的制备及其表征
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籍凤秋1 !2 !曹传宝1 !薛守洪1 !王大鸷1 !朱鹤孙1
1 北京理工大学材料科学研究中心北京 2 石家庄铁道学院交通工程分院河北石家庄
100081 050043
摘要以石墨粉和硼粉为原料采用机械球磨法在氨气气氛下球磨然后在氨气条件下热处理
120h 1200 C
成功的制备出竹节状的纳米管利用射线衍射扫描电子显微镜透射电镜
6h B- C- N . X XRD SE M
高分辨透射电子显微镜以及电子能量损失谱等手段进行了表征纳米管的直径
TE M ~RTE M EELS .
在之间长度可达定量分析计算结果表明纳米管由硼碳和氮元素组成其
50 ~180n m 20# m . EELS B = C =
原子比为并对纳米管的形成机理进行了初步探讨
N 0. 49 = 1. 00 = 0. 11 .
关键词纳米管机械球磨法竹节状表征
!B- C- N
中图分类号文献标识码文章编号
O 484 A 0438 -1157 2005 02 -0363 -05
Preparati On Of B- C- N nanOt ube and its characterizati On
JI Fenggi u 1 "2 "CAO ChuanbaO 1 "XUE ShOuhOng 1 "WANG Dazhi 1 "Z ~U ~esun 1
1 Researc h Center of Material Science Beij ing I nstit ute of Tec hnology Beij ing 100081 China
2 De Part ment of Traf fic Engineering Shijiazhuang Rail way I nstit ute of Technology Shijiazhuang 050043 ~ebei China
Abstract B- C- N nanOt ube wit h ba mbOO-li ke str uct ure was synt hesized by heati ng ball mill ed mi xt ure Of
bOr On pO wder and graphite pO wder i n fl O wi ng a mmOni a gas strea m at 1200 C . The synt hesized pr Oduct was
characterized by X-ray pO wder diff racti On XRD scanni ng el ectr On mi cr OscOpy SE M trans mi ssi On
el ectr On mi cr OscOpy TE M el ectr On diff racti On