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| Reference : Qualitative assessment of the purity of multi-walled carbon nanotube samples using krypt... |
| 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  [Université de Liège - ULg > Département de chimie appliquée > Génie chimique - Génie catalytique >] | |
| Noville, Francis [Université de Liège - ULg > Département de chimie appliquée > Département de chimie appliquée >] | |
| Bossuot, Christophe [ > > ] | |
| Pirard, Jean-Paul [Université de Liège - ULg > Département de chimie appliquée > Génie chimique - Génie catalytique >] | |
| 2005 | |
| Studies in Surface Science and Catalysis | |
| Elsevier Science | |
| 160 | |
| 265-272 | |
| 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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