利用直流电弧等离子体方法,以Ho/Ni作为催化剂合成了单壁碳纳米管,借助扫描电子显微镜、拉曼光谱和热重分析方法对所合成的单壁碳纳米管的形貌、结构以及含量进行了表征.电镜观察以及热重分析表明,收集到的大量网状物中单壁碳纳米管含量较高;不同激发波长拉曼测量表明碳纳米管直径分布比较集中,在1.35 nm~1.69nm范围,且直径为1.5 nm的碳纳米管占多数;与Ce/Ni等作为催化剂合成的单壁碳纳米管的直径分布不同.研究结果表明,Ho/Ni对于合成单壁碳纳米管具有很好的催化效果且影响管径分布,元素Ho对单壁碳纳米管的形成起到了重要的作用.
参考文献
[1] | 李峰,白朔,成会明.纳米碳管[J].新型炭材料,2000(03):79-80. |
[2] | W. B. Choi;D. S. Chung;J. H. Kang;H. Y. Kim;Y. W. Jin;I. T. Han;Y. H. Lee;J. E. Jung;N. S. Lee;G. S. Park;J. M. Kim .Fully sealed, high-brightness carbon-nanotube field-emission display[J].Applied physics letters,1999(20):3129-3131. |
[3] | 佟钰,任文才,赵志刚,刘畅,成会明.真空度对纳米碳管场发射性能的影响[J].新型炭材料,2003(02):101-105. |
[4] | 沈建其,何少龙,王新庆,王淼.单壁纳米碳管储氢机制研究[J].新型炭材料,2001(02):24-26,65. |
[5] | Ajayan PM.;Giannaris C.;Rubio A.;Schadler LS. .Single-walled carbon nanotube-polymer composites: Strength and weakness[J].Advanced Materials,2000(10):750-753. |
[6] | 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. |
[7] | 杨杰,沈曾民,熊涛.聚苯胺原位包覆碳纳米管材料的制备及性能[J].新型炭材料,2003(02):95-100. |
[8] | Journet C;Maser W K;Bernier P et al.Large-scale production of single-walled carbon nanotubes by the electric-arc technique[J].Nature,1997,388:756-758. |
[9] | 刘畅,丛洪涛,成会明.氢等离子电弧法半连续制备单壁纳米碳管[J].新型炭材料,2000(02):1-5. |
[10] | 刘畅,成会明.电弧放电法制备纳米碳管[J].新型炭材料,2001(01):67-71. |
[11] | Thess A;Lee R;Nikolaev P et al.Crystalline ropes of metallic carbon nanotubes[J].Science,1996,273:483-487. |
[12] | Cheng HM.;Su G.;Pan HY.;He LL.;Sun X.;Dresselhaus MS.;Li F. .Large-scale and low-cost synthesis of single-walled carbon nanotubes by the catalytic pyrolysis of hydrocarbons[J].Applied physics letters,1998(25):3282-3284. |
[13] | 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. |
[14] | 潘春旭,Liming Yuan,Kozo Saito.扩散火焰合成碳纳米管研究[J].新型炭材料,2001(03):24-27. |
[15] | 梁新宇,王浩静,刘颖,晁兵,周立公.等离子体射流辅助双催化剂原位催化法合成碳纳米管[J].新型炭材料,2005(03):250-254. |
[16] | 李颖,李轩科,刘朗.不同原料气催化热解法制备碳纳米管的研究[J].新型炭材料,2004(04):298-302. |
[17] | 雷中兴,刘静,王建波,李轩科,汪厚植.催化剂结构与形态对碳纳米管生长的影响[J].新型炭材料,2003(04):271-276. |
[18] | Liu BB.;Olsson E.;Yang RS.;Li HD.;Zhang SL.;Yang HB.;Zou GT.;Sundqvist B.;Wagberg T. .Synthesis and characterization of single-walled nanotubes produced with Ce/Ni as catalysts[J].Chemical Physics Letters,2000(3-4):365-372. |
[19] | Shi Z J;Okazaki T;Shimada T et al.Selective high-yield catalytic synthesis of terbium metallofullerenes and single-wall carbon nanotubes[J].Journal of Physical Chemistry B,2003,107:2485-2489. |
[20] | 卢怡,朱珍平,刘振宇.催化剂对爆炸法合成碳纳米管的影响[J].新型炭材料,2004(01):1-6. |
[21] | Li H J;Guan L H;Shi Z J et al.Direct synthesi of high purity single-walled carbon nanotubes fibers by arc discharge[J].Journal of Physical Chemistry B,2004,108:4573-4575. |
[22] | Duesberg GS.;Burghard M.;Syassen K.;Roth S.;Loa I. .Polarized Raman spectroscopy on isolated single-wall carbon nanotubes[J].Physical review letters,2000(25):5436-5439. |
[23] | Kataura H.;Maniwa Y.;Ohtsuka Y.;Sen R.;Suzuki S.;Achiba Y.;Kumazawa Y. .Diameter control of single-walled carbon nanotubes[J].Carbon: An International Journal Sponsored by the American Carbon Society,2000(11/12):1691-1697. |
[24] | Rao AM.;Richter E.;Schlecht U.;Eklund PC.;Haddon RC. Venkateswaran UD.;Kwon YK.;Tomanek D.;Chen J. .Effect of van der Waals interactions on the Raman modes in single walled carbon nanotubes[J].Physical review letters,2001(17):3895-3898. |
[25] | Rao A M;Richter E;Bandow S et al.Diameter-selective raman scattering from vibrational modes in carbon nanotubes[J].Science,1997,275:187-191. |
[26] | Pimenta MA.;Empedocles SA.;Bawendi MG.;Hanlon EB.;Rao AM. Eklund PC.;Smalley RE.;Dresselhaus G.;Dresselhaus MS.;Marucci A. .Raman modes of metallic carbon nanotubes[J].Physical Review.B.Condensed Matter,1998(24):R16016-R16019. |
[27] | Chiang I W;Brinson B E;Smalley R E et al.Purification and characterization of single-wall carbon nanotubes[J].Journal of Physical Chemistry B,2001,105:1157-1161. |
[28] | Shi ZJ.;Liao FH.;Zhou XH.;Gu ZN.;Zhang Y.;Iijima S.;Li HD. Yue KT.;Zhang SL.;Lian YF. .Large scale synthesis of single-wall carbon nanotubes by arc-discharge method[J].The journal of physics and chemistry of solids,2000(7):1031-1036. |
[29] | J. Gavillet;J. Thibault;O. Stephan;H. Amara;A. Loiseau;Ch. Bichara;J.-P. Gaspard;F. Ducastelle .Nucleation and Growth of Single-Walled Nanotubes: The Role of Metallic Catalysts[J].Journal of nanoscience and nanotechnology,2004(4):346-359. |
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