MNM-4A-2 単層カーボンナノチューブの直径制御CVD合成(セッション 4A ナノ材料と熱工学)

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In this study, we investigate the influence of the catalyst pre-treatment on the average diameter of SWNTs synthesized by Co-Mo binary catalysts. It was found that diameter of SWNT depends not only on reduction temperature, but also time. The small diameter SWNT can be obtained with low temperature reduction process and/or short time reduction. Furthermore, introducing small amount of water before CVD process can also result in smaller SWNT diameter. We also explore rhodium and cobalt as a new catalyst combination, to investigate the potential of rhodium to narrow down the diameter distribution. Small diameter SWNTs were realized with a new Co/Rh bimetal catalyst, which results in small diameter of SWNT, closed to that from Co/Fe and smaller than HiPCO sample.
一般社団法人日本機械学会の論文
2010-10-12