CVD growth of single-walled carbon nanotubes with narrow diameters distribution over Fe/MgO catalyst and their fluorescence spectroscopy

Article Abstract:

Single-walled carbon nanotubes (SWNTs) with a narrow diameter distribution are synthesized by thermal chemical vapor deposition (CVD) of methane over Fe/Mgo catalyst on the basis of papametric by considering Fe loading, reaction temperature and time, methane concentration, and structure of a support material. The synthesis of the SWNTs with a narrow diameter distribution could be applied to the selection of SWNTs with a specific chirality based on postsynthesis separation.

Optical properties, Chemical vapor deposition, Chemical properties, Chemical vapour deposition

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Stable containment of radionuclides on the nanoscale by cut single-wall carbon nanotubes

Article Abstract:

The physisorption of radiolabeled (super 125)I(super -) ions from aqueous solution and the Brunauer-Emmett-Teller surface areas of various carbonaceous molecules materials are measured and compared. The data obtained demonstrate the greatly increased surface area and dramatically enhanced retention properties of cut single-walled carbon nanotubes (SWNTs) over uncut SWNTs.

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