Surface oxygen complexes as governors of neopentane sorption in multiwalled carbon nanotubes
作者： Zs. Ötvös , Gy. Onyestyák , A. Hancz , I. Kiricsi , L.V.C. Rees
DOI: 10.1016/J.CARBON.2006.01.005
关键词: Adsorption 、 Thermogravimetric analysis 、 Thermal desorption spectroscopy 、 Chemical decomposition 、 Sorption 、 Nuclear chemistry 、 Neopentane 、 Thermogravimetry 、 Analytical chemistry 、 Carbon nanotube 、 Chemistry
摘要: Multiwalled carbon nanotube (MWCNT) samples were obtained by purification and ball-milling of a MWCNT sample synthesized catalytic chemical vapor decomposition. These oxidized with KMnO4–H2SO4 solution. A heat treatment was employed to decompose the oxygenated groups created oxidation treatment. The characterized transmission electron microscopy (TEM), adsorption nitrogen, pore size distribution, thermogravimetric analysis combined mass spectroscopy (TG-MS). dynamics 2,2-dimethyl-propane (neopentane) sorption studied frequency-response (FR) spectroscopy. FR spectra clearly demonstrate effect (a) ball-milling, (b) oxidative (c) on uptake processes involved in these treated samples.
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