采用Nd:YAG脉冲激光轰击镍-石墨混合靶与乙醇流动相的固液界面原位生长碳纳米管,并通过TEM、XRS、FT-IR、UV-Vis等对其进行了表征.结果表明:常温常压下制备的碳纳米管管身弯曲,管径小于50 nm,长度可达1 μm,且具有多种形态.在脉冲激光轰击过程中实现原位生长碳纳米管,能使制备与修饰碳纳米管同步连续进行,产物在近紫外光区有较强的吸收峰,并存在激子吸收带.
参考文献
| [1] | Dillon AC.;Alleman JL.;Perkins JD.;Heben MJ.;Parilla PA. .Controlling single-wall nanotube diameters with variation in laser pulse power[J].Chemical Physics Letters,2000(1/2):13-18. |
| [2] | Braidy N.;El Khakani MA.;Botton GA. .Effect of laser intensity on yield and physical characteristics of single wall carbon nanotubes produced by the Nd : YAG laser vaporization method[J].Carbon: An International Journal Sponsored by the American Carbon Society,2002(15):2835-2842. |
| [3] | Braidy N;EI Khakani M A;Botton G A .Carbon nanotublar structures synthesis by means of ultraviolet laser ablation[J].Journal of Materials Research,2002,17(09):2189-2195. |
| [4] | Guo T.;Thess A.;Colbert DT.;Smalley RE.;Nikolaev P. .CATALYTIC GROWTH OF SINGLE-WALLED NANOTUBES BY LASER VAPORIZATION[J].Chemical Physics Letters,1995(1/2):49-54. |
| [5] | 章仪 .脉冲激光连续制备纳米金属溶胶及其催化生长碳纳米一维材料研究[D].福州大学,2003. |
| [6] | 陈长鑫 .脉冲激光轰击原位生长法和CVD基体法制备碳纳米管研究[D].福州:福州大学,2004. |
| [7] | 陈长鑫,章仪,陈文哲.激光轰击制备碳纳米管及其相关纳米材料[J].福建工程学院学报,2004(01):8-11. |
| [8] | 王育煌;张强;刘朝阳 等.脉冲激光溅射下固液界面生长碳纳米管及其机理初探[J].物理化学学报,1996,12(10):905-909. |
| [9] | 李瑞芳,尚贞锋,王贵昌,潘荫明,赵学庄.扶手椅型单壁碳纳米管的理论研究[J].高等学校化学学报,2002(07):1356-1359. |
| [10] | 成会明.纳米碳管-制备、结构、物性及应用[M].北京:化学工业出版社,2002 |
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