在用热解火焰法合成碳纳米管(carbon nanotubes, CNTs)过程中,CO、H2和He流量对产物种类以及CNTs的产量、结构、管径、管长等有显著影响.为了确定CO、H2和He流量的具体影响,通过固定其他实验条件,仅改变CO、H2和He流量,用扫描电子显微镜(SEM)和高分辨率透射电子显微镜(HR-TEM)对合成的产物进行表征,分析得到合成CNTs较好的CO、H2和He流量分别为0.4 L/min,0.3 L/min和0.2 L/min.
参考文献
[1] | Iijima S .Helical Microtubes of Graphite Carbon[J].Nature,1991,354:56-58. |
[2] | Esawi A M K;Farag M M .Carbon Nanotube Reinforced Composites:Potential and Current Challenges[J].Materials & Design,2007,28(09):2394-2401. |
[3] | 卢志华,孙康宁,赵冬梅,李爱民,孙晓宁.羟基磷灰石/碳纳米管复合材料的制备及表征[J].人工晶体学报,2007(04):728-731. |
[4] | Dillon AC;Mahan AH;Deshpande R;Alleman JL;Blackburn JL;Parillia PA;Heben MJ;Engtrakul C;Gilbert KEH;Jones KM .Hot-wire chemical vapor synthesis for a variety of nano-materials with novel applications[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,2006(1/2):216-220. |
[5] | Saito Yahachi;Mizushima Ryou;Uemura Sashiro;Nagasako Takeshi;Yotani Junko;Shimojo Tokuhide;Hamaguchi Koji .Field emission from carbon nanotubes and its application to cathode ray tube lighting elements[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,1999(1):305-311. |
[6] | Derycke V;Auvray S;Borghetti J et al.Carbon Nanotube Chemistry and Assembly for Electronic Devices[J].Comptesrendus Physique,2009,10(04):330-347. |
[7] | Guo L Q;Wang R;Xu H M et al.Why Can the Carbon Nanotube Tips Increase Resolution and Quality of Image in Biological Systems[J].PHYSICA E,2005,27(1-2):240-244. |
[8] | Ebbesen T W;Ajayan P M .Large-scale Synthesis of Carbon Nanotubes[J].Nature,1992,358(6383):220-222. |
[9] | 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. |
[10] | 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. |
[11] | Howard J B;Chowdhury K D;Vander S J B .Carbon Shells in Flames[J].NATURE,1994,370(6491):603. |
[12] | 孙保民;刘远超;李磊 等.利用基板法在V型热解火焰中合成碳纳米管的实验研究[J].人工晶体学报,2009,38:303-307. |
[13] | M.J. Height;J.B. Howard;J.W. Tester .Flame synthesis of single-walled carbon nanotubes[J].Carbon,2004(11):2295-2307. |
[14] | Nolan P E;Lynch D C;Cutler A H .Catalytic Disproportionation of CO in the Absence of Hydrogen:Encapsulating Shell Carbon Formation[J].CARBON,1994,32(03):477-483. |
[15] | Park C.;Baker RTK.;Rodriguez NM. .CARBON DEPOSITION ON IRON-NICKEL DURING INTERACTION WITH CARBON MONOXIDE HYDROGEN MIXTURES[J].Journal of Catalysis,1997(1):212-227. |
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