About: Structure and magnetic response of a residual metal catalyst in highly purified single walled carbon nanotubes

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About: Structure and magnetic response of a residual metal catalyst in highly purified single walled carbon nanotubes Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Article presents methods for physical analysis of partial steps leading to the removal of residual metal catalyst nanoparticles (NPs) from single walled carbon nanotubes (SWCNTs) and options for detecting negligible amount of metal in samples possessing diamagnetic response. Based on the previous knowledge of the NP properties included in the commercial SWCNTs, the properties of remaining NPs after the multi-step purification and annealing under static and dynamic vacuum have been investigated. TG, XRD, magnetic property measurements and EXAFS experiments have been done and provided information about the nature of the residual NPs in purified SWCNTs, crucial for further understanding of the purification processes and their improvement. We demonstrated that even if all macroscopic methods indicate a high purity of the treated sample, a non-negligible amount of the metal may still be present and the metal content has to be examined using local element sensitive probes such as EXAFS. Article presents methods for physical analysis of partial steps leading to the removal of residual metal catalyst nanoparticles (NPs) from single walled carbon nanotubes (SWCNTs) and options for detecting negligible amount of metal in samples possessing diamagnetic response. Based on the previous knowledge of the NP properties included in the commercial SWCNTs, the properties of remaining NPs after the multi-step purification and annealing under static and dynamic vacuum have been investigated. TG, XRD, magnetic property measurements and EXAFS experiments have been done and provided information about the nature of the residual NPs in purified SWCNTs, crucial for further understanding of the purification processes and their improvement. We demonstrated that even if all macroscopic methods indicate a high purity of the treated sample, a non-negligible amount of the metal may still be present and the metal content has to be examined using local element sensitive probes such as EXAFS. (en)
Title	Structure and magnetic response of a residual metal catalyst in highly purified single walled carbon nanotubes Structure and magnetic response of a residual metal catalyst in highly purified single walled carbon nanotubes (en)
skos:prefLabel	Structure and magnetic response of a residual metal catalyst in highly purified single walled carbon nanotubes Structure and magnetic response of a residual metal catalyst in highly purified single walled carbon nanotubes (en)
skos:notation	RIV/68378271:_____/13:00394526!RIV14-GA0-68378271
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP204/10/1677)
http://linked.open...iv/cisloPeriodika	16
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Mantlíková, Alice Poltierová Vejpravová, Jana Bittová, Barbara Burianová, Simona
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	108384
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/13:00394526
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	carbon nanotubes; purification; nanoparticles; magnetic property measurements (en)
http://linked.open.../riv/klicoveSlovo	magnetic property measurements carbon nanotubes nanoparticles purification
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[C0183121BE91]
http://linked.open...i/riv/nazevZdroje	Physical Chemistry Chemical Physics
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Magnetic properties of carbon nanostructures in neutral and doped state
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	15
http://linked.open...iv/tvurceVysledku	Kalbáč, Martin Mangold, S. Mantlíková, Alice Vejpravová, Jana Kubíčková, Simona Pacáková Bittová, Barbara
http://linked.open...ain/vavai/riv/wos	000316803500028
issn	1463-9076
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1039/c3cp00087g

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