Reddy, A. Leela Mohana and Ramaprabhu, S. (2008) Hydrogen adsorption properties of single-walled carbon nanotube—Nanocrystalline platinum composites. International Journal of Hydrogen Energy, 33 (3). pp. 1028-1034.
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Single-walled carbon nanotubes (SWNTs) have been synthesized by the pyrolysis of methane using hydrogen decrepitated Mischmetal (Mm) based AB3 alloy hydride catalyst by catalytic chemical vapour deposition (CCVD) technique. The use of metal hydrides as catalysts for the bulk synthesis of good quality SWNTs by CCVD technique has been demonstrated. Nanocrystalline Pt dispersed single-walled carbon nanotubes (Pt/SWNT) have been prepared by chemical reduction method using functionalized SWNT. SWNTs and Pt/SWNTs have been characterized by SEM, TEM, HRTEM, Raman, TGA and XRD studies. Hydrogen storage properties of as-grown, purified SWNT and nanocrystalline Pt dispersed SWNT have been investigated using high-pressure Seiverts’ apparatus in the pressure range 1–100 bar and at 298 and 125 K. The effects of purification and dispersion of Pt nanoparticles on the hydrogen storage capacity have been discussed based on the chemisorption process.
|Subjects:||Physical Science > Nanophysics|
Physical Science > Nano objects
Material Science > Nanochemistry
Material Science > Nanostructured materials
|Divisions:||Faculty of Engineering, Science and Mathematics > School of Physics|
Faculty of Engineering, Science and Mathematics > School of Chemistry
|Deposited On:||11 Aug 2009 07:17|
|Last Modified:||11 Aug 2009 07:17|
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