以钴(Co)、氧化镁(MgO)作催化剂和催化剂载体,采用化学气相沉积(CVD)法催化裂解甲烷气体制备单壁碳纳米管(SWNTs).利用拉曼光谱、紫外-红外-近红外吸收光谱、透射电子显微镜、X射线衍射、扫描电子显微镜等手段对样品进行表征.结果表明,在Co/MgO催化体系下,通过改变升温速率可以调节产物中粗细管径(0.8～1.4nm) SWNTs的相对含量；同时还证实了在不同的升温速率下所得到MgO基体的晶体结构是相同的.
参考文献
| [1] | Treacy M M J et al.Exceptionally high Young's modulus observed for individual carbon nanotubes[J].Nature,1996,381(6584):678. |
| [2] | Ebbesen T W et al.Electrical conductivity of individual carbon nanotubes[J].Nature,1996,382(6586):54. |
| [3] | Collins PG. Zettl A. Bando H. Thess A. Smalley RE. .NANOTUBE NANODEVICE[J].Science,1997(5335):100-103. |
| [4] | Kaul AB;Wong EW;Epp L;Hunt BD .Electromechanical carbon nanotube switches for high-frequency applications[J].Nano letters,2006(5):942-947. |
| [5] | Saito R.Physical properties of carbon nanotubes[M].London:Imperial College Press,1998 |
| [6] | Zhang L;Zaric S;Tu XM;Wang XR;Zhao W;Dai HJ .Assessment of chemically separated carbon nanotubes for nanoelectronics[J].Journal of the American Chemical Society,2008(8):2686-2691. |
| [7] | Minmire J M et al.Are fullerene tubules metallic[J].Physical Review Letters,1992,68(05):631. |
| [8] | R. Bruce Weisman;Sergei M. Bachilo .Dependence of Optical Transition Energies on Structure for Single-Walled Carbon Nanotubes in Aqueous Suspension: An Empirical Kataura Plot[J].Nano letters,2003(9):1235-1238. |
| [9] | Nan Li;Xiaoming Wang;Fang Ren .Diameter Tuning of Single-Walled Carbon Nanotubes with Reaction Temperature Using a Co Monometallic Catalyst[J].The journal of physical chemistry, C. Nanomaterials and interfaces,2009(23):10070-10078. |
| [10] | High-yield Separation Of Metallic And Semiconducting Single-wall Carbon Nanotubes By Agarose Gel Electrophoresis[J].Applied physics express,2008(11):66-68. |
| [11] | Anne-Claire Dupuis .The catalyst in the CCVD of carbon nanotubes—a review[J].Progress in materials science,2005(8):929-961. |
| [12] | 温倩,骞伟中,魏飞.高温煅烧Mo改性的Fe/MgO催化剂用于制备管径分布均一的单壁碳纳米管[J].催化学报,2008(07):617-623. |
| [13] | Hiroki A et al.Roles of metal-support interaction in growth of single-and double-walled carbon nanotubes studied with diameter-controlled iron particles supported on MgO[J].Journal of Physical Chemistry B,2004,108(49):18908. |
| [14] | 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. |
| [15] | Claye A.;Fischer JE.;Sirenko A.;Sumanasekera GU.;Eklund PC.;Rahman S. .In situ Raman scattering studies of alkali-doped single wall carbon nanotubes[J].Chemical Physics Letters,2001(1/2):16-22. |
| [16] | A. M. Rao;S. Bandow;E. Richter;P. C. Eklund .Raman spectroscopy of pristine and doped single wall carbon nanotubes[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,1998(1/2):141-147. |
| [17] | Alvarez L.;Guillard T.;Rols S.;Anglaret E.;Laplaze D. Sauvajol JL.;Righi A. .Resonant Raman study of the structure and electronic properties of single-wall carbon nanotubes[J].Chemical Physics Letters,2000(3-4):186-190. |
| [18] | Liu X.;Pichler T.;Knupfer M.;Golden MS.;Fink J.;Kataura H.;Achiba Y. .Detailed analysis of the mean diameter and diameter distribution of single-wall carbon nanotubes from their optical response - art. no. 045411[J].Physical Review.B.Condensed Matter,2002(4):5411-0. |
| [19] | O. Jost;A. A. Gorbunov;W. Pompe .Diameter grouping in bulk samples of single-walled carbon nanotubes from optical absorption spectroscopy[J].Applied physics letters,1999(15):2217-2219. |
| [20] | H.Kataura;Y.Kumazawa .Optical Properties of Single-Wall Carbon Nanotubes[J].Synthetic Metals,1999(1/3):2555-2558. |
| [21] | O'Connell M J et al.Band gap fluorescence from individual single-walled carbon nanotubes[J].Science,2002,297(5581):593. |
| [22] | Yu, B.;Liu, C.;Hou, P.-X.;Tian, Y.;Li, S.;Liu, B.;Li, F.;Kauppinen, E.I.;Cheng, H.-M. .Bulk synthesis of large diameter semiconducting single-walled carbon nanotubes by oxygen-assisted floating catalyst chemical vapor deposition[J].Journal of the American Chemical Society,2011(14):5232-5235. |
| [23] | Jorio A.;Hafner JH.;Lieber CM.;Hunter M.;McClure T. Dresselhaus G.;Dresselhaus MS.;Saito R. .Structural (n, m) determination of isolated single-wall carbon nanotubes by resonant Raman scattering[J].Physical review letters,2001(6):1118-1121. |
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%