Controlled growth of one-dimensional clusters of molybdenum atoms using double-walled carbon nanotube templating

Yousheng Tao; Muramatsu, Hiroyuki; Hayashi, Takuya; Yoong Ahm Kim; Shimamoto, Daisuke; Endo, Morinobu; Kaneko, Katsumi; Terrones, Mauricio; Dresselhaus, Mildred S.
March 2009
Applied Physics Letters;3/16/2009, Vol. 94 Issue 11, p113105
Academic Journal
We report the controlled growth of one-dimensional clusters of molybdenum atoms inside the inner cores of double-walled carbon nanotubes. A combined characterization including high resolution transmission electron microscopy, nitrogen adsorption measurement at 77 K, x-ray photoelectron spectroscopy, Raman spectroscopy, and thermogravimetric analysis reveals that the growth of one-dimensional Mo clusters can be controlled by varying the reaction conditions. The products have specific surface areas of 360–480 m2 g-1, and their characteristic properties are attributed to the presence of Mo cluster, which affect the electronic structure and can be exploited for the development of nanotube electronic devices.


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