CCVD法制备一种特殊形状的炭纤维束
摘要
采用单一催化化学气相沉积法(CCVD)合成了一种特殊形态的炭纤维束。从表面看,这些炭纤维束是由许多条状的粗纤维构成,放大观察可以发现它们是由卷曲的纳米炭纤维紧密的缠绕在一起形成的,最后采用扫描电镜观察其形貌,对这种特殊形貌的炭纤维束的生长进行了简要的推导。
引文
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[2]I.M.Vladimir, A.V.Melechko, M.A.Guillorn, et al.Controlledalignment of carbon nanofibers in a large-scale synthesis process[J], Applied Physics letter, 2002(80):4816-4818.
[3]J.P.Cheng, X.B.Zhang, F.Liu, et al.Long bundles of alignedcarbon nanofibers obtained by vertical floating catalyst method[J],Materials Chemistry and Physics, 2004(87):241-245.
[4]H.F.Yang, Y.Yan, Y.Liu, et al.A Simple Melt ImpregnationMethod to Synthesize Ordered Mesoporous Carbon and CarbonNanofiber Bundles with Graphitized Structure from Pitches[J], Jour-nal of Physical Chemistry B, 2004(108):17320-17328.
[5]S. Norihiro, T. Shun-ichiro. Enhancement of electron fieldemission from carbon nanofiber bundles separately grown on Ni cat-alyst in Ni–Cr alloy[J], Carbon, 2009(47):1258-1263.