About: Carbon nanotubes synthesis in microwave plasma torch at atmospheric pressure

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About: Carbon nanotubes synthesis in microwave plasma torch at atmospheric pressure Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Well aligned multi-walled carbon nanotubes were synthesized at atmospheric pressure using a microwave plasma torch on silicon substrates with silicon oxide buffer layer and catalyst overlayer in the mixture of argon, hydrogen and methane. Iron or nickel was used as catalysts. The optimum substrate temperature for the deposition on Si/SiO2/Fe substrates was about 970 K. In this case SEM micrographs of the deposits revealed a presence of vertically aligned nanotubes with the diameters around 15 nm. TEM micrographs showed a presence of amorphous carbon particles in the samples and some defects in the wall structure of the produced nanotubes. In Raman spectra two peaks at 1332 and 1584 cm-1 were observed. The CNTs were also synthesized on the substrates without SiO2 buffer layer but their quality was lower. The synthesis with Ni instead of Fe catalyst required lower temperature and the alignment of the nanotubes was worse. The deposition process was monitored by optical emission spectroscopy. Well aligned multi-walled carbon nanotubes were synthesized at atmospheric pressure using a microwave plasma torch on silicon substrates with silicon oxide buffer layer and catalyst overlayer in the mixture of argon, hydrogen and methane. Iron or nickel was used as catalysts. The optimum substrate temperature for the deposition on Si/SiO2/Fe substrates was about 970 K. In this case SEM micrographs of the deposits revealed a presence of vertically aligned nanotubes with the diameters around 15 nm. TEM micrographs showed a presence of amorphous carbon particles in the samples and some defects in the wall structure of the produced nanotubes. In Raman spectra two peaks at 1332 and 1584 cm-1 were observed. The CNTs were also synthesized on the substrates without SiO2 buffer layer but their quality was lower. The synthesis with Ni instead of Fe catalyst required lower temperature and the alignment of the nanotubes was worse. The deposition process was monitored by optical emission spectroscopy. (en)
Title	Carbon nanotubes synthesis in microwave plasma torch at atmospheric pressure Carbon nanotubes synthesis in microwave plasma torch at atmospheric pressure (en)
skos:prefLabel	Carbon nanotubes synthesis in microwave plasma torch at atmospheric pressure Carbon nanotubes synthesis in microwave plasma torch at atmospheric pressure (en)
skos:notation	RIV/00216224:14310/06:00015729!RIV10-MSM-14310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA202/05/0607), Z(AV0Z20410507), Z(AV0Z20650511), Z(MSM0021622411)
http://linked.open...iv/cisloPeriodika	5-7
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Kudrle, Vít Bublan, Martin Jašek, Ondřej Zajíčková, Lenka Eliáš, Marek
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	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	467762
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/06:00015729
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	carbon nanotubes; microwave torch (en)
http://linked.open.../riv/klicoveSlovo	microwave torch carbon nanotubes
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[11D0488D81DD]
http://linked.open...i/riv/nazevZdroje	MATERIALS SCIENCE AND ENGINEERING: C
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	9 (xsd:int)
http://linked.open...vavai/riv/projekt	Synthesis of carbon micro- and nanostructures by plasma technologies
http://linked.open...UplatneniVysledku	2006
http://linked.open...v/svazekPeriodika	26
http://linked.open...iv/tvurceVysledku	Buršík, Jiří Eliáš, Marek Jašek, Ondřej Kudrle, Vít Zajíčková, Lenka Matějková, Jiřina Rek, Antonín Kadlečíková, Magdaléna Bublan, Martin
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing Research into experimental methods for examination of the physical properties of matter and their application in advanced technologies Study and application of plasma chemical reactions in non-isothermic low temperature plasma and its interaction with solid surface
issn	0928-4931
number of pages	5 (xsd:int)
http://localhost/t...ganizacniJednotka	14310
is http://linked.open...avai/riv/vysledek of	Carbon nanotubes synthesis in microwave plasma torch at atmospheric pressure Carbon nanotubes synthesis in microwave plasma torch at atmospheric pressure

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