非金属纳米粒子诱导生长单壁碳纳米管
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摘要
采用四乙氧基硅烷(Tetraethylorthosilicate,TEOS),在chemical vapor deposition(CVD)体系中制备二氧化硅薄膜,退火形成Si O2纳米粒子生长SWNTs。通过改变各种实验条件,如温度、催化剂纳米粒子、碳源及载气流量等,对非金属纳米粒子诱导生长SWNTs阵列进行系统研究。
A silicon dioxide film was prepared by a chemical vapor deposition(CVD) system with tetraethylorthosilicate(TEOS), and annealed to form SiO_2 nanoparticles to grow SWNTs. The SWNTs arrays induced by non-metallic nanoparticles were systematically studied by changing the experimental conditions such as temperature, catalyst nanoparticles, carbon source and carrier gas flow.
A silicon dioxide film was prepared by a chemical vapor deposition(CVD) system with tetraethylorthosilicate(TEOS), and annealed to form SiO_2 nanoparticles to grow SWNTs. The SWNTs arrays induced by non-metallic nanoparticles were systematically studied by changing the experimental conditions such as temperature, catalyst nanoparticles, carbon source and carrier gas flow.
引文
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[2]Treacy, M. M. J., Ebbesen, T. W., Gibson, J. M. Exceptionally high Young’s modulus observed for individual carbon nanotubes[J]. Nature, 1996, 381:678-680.
[3]Tans, S. J., Verschueren, A. R. M., Dekker, C. Roomtemperature transistor based on a single carbon nanotube[J].Nature, 1998, 393:49-52.
[4]Fan, S. S., Chapline, M. G., Franklin, N. R., Tombler, T.W., Cassell, A. M., Dai, H. J. Self-oriented regular arrays of carbon nanotubes and their field emission properties[J].Science, 1999, 283:512-514.
[5]Cabria, I., Mintmire, J. W., White, C. T. Metallic and semiconducting narrow carbon nanotubes[J]. Phys. Rev. B,2003, 67:121406.
[6]Tans, S. J., Devoret, M. H., Dai, H. J., Thess, A., Smalley, R.E., Geerligs, L. J., Dekker, C. Individual single-wall carbon nanotubes as quantum wires[J]. Nature, 1997, 386:474-477.
[7]Bezryadin, A., Verschueren, A. R. M., Tans, S. J., Dekker, C.Multiprobe transport experiments on individual single-wall carbon nanotubes[J]. Phys. Rev. Lett., 1998, 80:4036-4039.
[8]Ahir, S. V., Terentjev, E. M. Fast relaxation of carbon nanotubes in polymer composite actuators[J]. Phys. Rev.Lett., 2006, 96:133902.
[9]Zhu, J., Mao, D. J., Cao, A. Y., Liang, J., Wei, B. Q., Xu, C.L., Wu, D. H., Peng, Z. A., Zhu, B. H., Chen, Q. L. Field emission of carbon nanotubes on Mo tip[J]. Mater. Lett.,1998, 37:116-118.
[10]Finnie, P., Homma, Y., Lefebvre, J. Band-gap shift transition in the photoluminescence of single-walled carbon nanotubes[J]. Phys. Rev. Lett., 2005, 94:247401.
[11]Saito, Y., Hamaguchi, K., Mizushima, R., Uemura, S.,Nagasako, T., Yotani, J., Shimojo, T. Field emission from carbon nanotubes and its application to cathode ray tube lighting elements[J]. Appl. Surf. Sci., 1999, 146:305-311.
[12]Zhang, J., Liu, X., Blume, R., Zhang, A. H., Schlogl, R., Su,D. S. Surface-modified carbon nanotubes catalyze oxidative dehydrogenation of n-butane[J]. Science, 2008, 322:73-77.