Reference : Qualitative assessment of the purity of multi-walled carbon nanotube samples using kr...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
Engineering, computing & technology : Materials science & engineering
http://hdl.handle.net/2268/5943
Qualitative assessment of the purity of multi-walled carbon nanotube samples using krypton adsorption
English
Gommes, Cédric mailto [Université de Liège - ULg > Département de chimie appliquée > Génie chimique - Génie catalytique >]
Noville, Francis mailto [Université de Liège - ULg > Département de chimie appliquée > Département de chimie appliquée >]
Bossuot, Christophe [ > > ]
Pirard, Jean-Paul mailto [Université de Liège - ULg > Département de chimie appliquée > Génie chimique - Génie catalytique >]
2005
Studies in Surface Science and Catalysis
Elsevier Science
160
265-272
Yes
International
0167-2991
Amsterdam
The Netherlands
[en] Krypton is a subcritical vapour at the nitrogen boiling temperature. As such, its adsorption on
crystalline surfaces leads to condensation steps, typical of type VI isotherms according to
IUPAC, while its adsorption on rough surfaces is BET-like. Based on this property of krypton
adsorption at 77 K, a methodology is proposed to determine the purity of carbon nanotubes
samples. The method is tested on model samples obtained by mixing mechanically purified
multi-walled carbon nanotubes with various amounts of the same catalyst as used for their
synthesis.
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/5943

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