采用化学气相沉积(CVD)方法制备了厚度超过4 mm的定向碳纳米管(ACNTs)阵列,并以此为骨架,利用化学气相渗(CVI)工艺制备了新型的定向碳纳米管/炭(ACNT/C)复合材料.利用SEM、PLM、XRD、TGA和Raman光谱对ACNT/C复合材料进行了表征.结果表明:ACNT/C复合材料中的热解炭主要为类粗糙层(RL)结构,而在相同工艺条件下制备的炭/炭(C/C)复合材料的热解炭为典型的光滑层(SL)结构.ACNT/C复合材料晶化程度明显优于相同工艺条件下的C/C复合材料.同时,ACNT/C复合材料在空气中的热失重转变温度比相同工艺条件下制备的C/C复合材料提高了约50 ℃左右.
参考文献
| [1] | Iijima S.Helical microtubules of graphitic carbon[J].Nature,1991:354-356. |
| [2] | Treacy M J;Ebbesen T W;Gilson J M .Exceptionally high Young's modulus observed for individual carbon nanotubes[J].Nature,1996,381:678. |
| [3] | Wong EW. Sheehan PE. Lieber CM. .NANOBEAM MECHANICS - ELASTICITY, STRENGTH, AND TOUGHNESS OF NANORODS AND NANOTUBES[J].Science,1997(5334):1971-1975. |
| [4] | Hamada N;Sawada S I;Oshiyama A .New one-dimensional conductors:graphitic microtubules[J].Physical Review Letters,1992,68(10):1579-1581. |
| [5] | Mintmire J W;Dunlap B I;White C T .Are fullerene tubules metallic?[J].Physical Review Letters,1992,68(05):631-634. |
| [6] | Wagner HD.;Feldman Y.;Tenne R.;Lourie O. .Stress-induced fragmentation of multiwall carbon nanotubes in a polymer matrix[J].Applied physics letters,1998(2):188-190. |
| [7] | Peigney A;Laurent Ch;Flahaut E et al.Carbon nanotubes in novel ceramic matrix nanocomposites[J].Ceramics International,2000,26(06):667-683. |
| [8] | Xu C.L.;Wei B.Q.;Ma R.Z;Liang J.;Ma X.K.;Wu D.H. .Fabrication of aluminum-carbon nanotube composites and their electrical properties[J].Carbon: An International Journal Sponsored by the American Carbon Society,1999(5):855-858. |
| [9] | 李玉宝,解思深,周维亚,王刚,魏秉庆,吴德海.碳纳米管对Fe-P非晶的力学性能和晶化行为影响的研究[J].新型炭材料,2000(03):7-12. |
| [10] | 李莉香,李峰,英哲,杨全红,成会明.纳米碳管/聚合物功能复合材料[J].新型炭材料,2003(01):69-74. |
| [11] | 魏飞,张强,骞伟中,徐光辉,项荣,温倩,王垚,罗国华.碳纳米管阵列研究进展[J].新型炭材料,2007(03):271-282. |
| [12] | 曹宗良,王健农,丁冬雁,戴杰华,余帆.化学气相沉积法快速生长定向纳米碳管[J].新型炭材料,2003(01):48-52. |
| [13] | Ren Z F;Huang Z P;Xu J W.Synthesis of large arrays of well-aligned carbon nanotubes on glass[J].Science,1998(282):1105-1107. |
| [14] | R. Andrews;D. Jacques;A. M. Rao;F. Derbyshire;D. Qian;X. Fan;E. C. Dickey;J. Chen .Continuous production of aligned carbon nanotubes: a step closer to commercial realization[J].Chemical Physics Letters,1999(5/6):467-474. |
| [15] | Savage G.Carbon-Carbon Composites[M].London:Chapman and Hall,1993 |
| [16] | Xiaodong Bai;Dan Li;Dong Du;Hongjun Zhang;Lifeng Chen;Ji Liang .Laser irradiation for purification of aligned carbon nanotube films[J].Carbon: An International Journal Sponsored by the American Carbon Society,2004(10):2125-2127. |
| [17] | 张福勤,黄启忠,黄伯云,巩前明,陈腾飞.C/C复合材料石墨化度与导电性能的关系[J].新型炭材料,2001(02):45-48. |
| [18] | 张福勤,黄启忠,黄伯云,巩前明,陈腾飞,熊翔.C/C复合材料结构显微激光喇曼光谱研究[J].复合材料学报,2003(03):113-117. |
| [19] | Reznik B;Huttinger K J .On the terminology for pyrolytic carbon[J].Carbon,2002,40:620-624. |
| [20] | Tuinstra F;Koenig J L .Raman spectrum of graphite[J].Journal of Chemical Physics,1970,53(03):1126-1130. |
| [21] | Nemanich R J;Solin S A .First and second order Raman scattering from finite-size crystals of graphite[J].Physical Review B,1979,20:392-401. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%