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Statements

Subject Item
n2:RIV%2F00216224%3A14310%2F06%3A00028950%21RIV10-MSM-14310___
rdf:type
skos:Concept n20:Vysledek
dcterms:description
We have successfully synthesized CNTs in microwave plasma torch at atmospheric pressure from the mixture of methane, hydrogen and argon. The plasma torch was generated at the frequency of 2.45 GHz using an iron hollow electrode. Argon (1000 sccm) was flowing through the electrode whereas methane (10-40 sccm) and hydrogen (100-400 sccm) were added to the expanding torch from outside. The CNTs were grown on substrates placed at various distances from the torch electrode. The substrates were silicon wafers(10x15 mm) with deposited 200 nm thick silicon oxide layer and thin layer (5-20 nm) of iron catalyst on the top. The samples were imaged by scanning electron microscopy(SEM) and transmission electron microscopy(TEM). The processes in the discharge were monitored by optical emission spectroscopy(OES). The SEM analysis showed presence of well aligned 50 micrometer long multi-wall CNTs with narrow diameter distribution centered around 20 nm. We have successfully synthesized CNTs in microwave plasma torch at atmospheric pressure from the mixture of methane, hydrogen and argon. The plasma torch was generated at the frequency of 2.45 GHz using an iron hollow electrode. Argon (1000 sccm) was flowing through the electrode whereas methane (10-40 sccm) and hydrogen (100-400 sccm) were added to the expanding torch from outside. The CNTs were grown on substrates placed at various distances from the torch electrode. The substrates were silicon wafers(10x15 mm) with deposited 200 nm thick silicon oxide layer and thin layer (5-20 nm) of iron catalyst on the top. The samples were imaged by scanning electron microscopy(SEM) and transmission electron microscopy(TEM). The processes in the discharge were monitored by optical emission spectroscopy(OES). The SEM analysis showed presence of well aligned 50 micrometer long multi-wall CNTs with narrow diameter distribution centered around 20 nm. We have successfully synthesized CNTs in microwave plasma torch at atmospheric pressure from the mixture of methane, hydrogen and argon. The plasma torch was generated at the frequency of 2.45 GHz using an iron hollow electrode. Argon (1000 sccm) was flowing through the electrode whereas methane (10-40 sccm) and hydrogen (100-400 sccm) were added to the expanding torch from outside. The CNTs were grown on substrates placed at various distances from the torch electrode. The substrates were silicon wafers(10x15 mm) with deposited 200 nm thick silicon oxide layer and thin layer (5-20 nm) of iron catalyst on the top. The samples were imaged by scanning electron microscopy(SEM) and transmission electron microscopy(TEM). The processes in the discharge were monitored by optical emission spectroscopy(OES). The SEM analysis showed presence of well aligned 50 micrometer long multi-wall CNTs with narrow diameter distribution centered around 20 nm.
dcterms:title
Carbon nanostructures synthesis in microwave plasma torch at atmospheric pressure Carbon nanostructures synthesis in microwave plasma torch at atmospheric pressure Carbon nanostructures synthesis in microwave plasma torch at atmospheric pressure
skos:prefLabel
Carbon nanostructures synthesis in microwave plasma torch at atmospheric pressure Carbon nanostructures synthesis in microwave plasma torch at atmospheric pressure Carbon nanostructures synthesis in microwave plasma torch at atmospheric pressure
skos:notation
RIV/00216224:14310/06:00028950!RIV10-MSM-14310___
n3:aktivita
n12:P n12:Z
n3:aktivity
P(GA202/05/0607), Z(MSM0021622411)
n3:dodaniDat
n9:2010
n3:domaciTvurceVysledku
n11:8326827 n11:4205448 n11:1537539 n11:8588627
n3:druhVysledku
n7:D
n3:duvernostUdaju
n17:S
n3:entitaPredkladatele
n22:predkladatel
n3:idSjednocenehoVysledku
467754
n3:idVysledku
RIV/00216224:14310/06:00028950
n3:jazykVysledku
n4:cze
n3:klicovaSlova
carbon nanostructures; atmospheric pressure; microwave discharge; electron microscopy
n3:klicoveSlovo
n10:carbon%20nanostructures n10:atmospheric%20pressure n10:microwave%20discharge n10:electron%20microscopy
n3:kontrolniKodProRIV
[A17F1A5E7AB0]
n3:mistoKonaniAkce
Brno
n3:mistoVydani
Brno
n3:nazevZdroje
Book of Abstracts 3rd International conference on microwave chemistry
n3:obor
n14:BL
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
7
n3:projekt
n8:GA202%2F05%2F0607
n3:rokUplatneniVysledku
n9:2006
n3:tvurceVysledku
Zajíčková, Lenka Rek, Antonín Matějková, Jiřina Jašek, Ondřej Studýnková, Zuzana Buršík, Jiří Eliáš, Marek
n3:typAkce
n18:WRD
n3:zahajeniAkce
2006-01-01+01:00
n3:zamer
n21:MSM0021622411
s:numberOfPages
1
n15:hasPublisher
Masaryk University
n13:isbn
80-210-4070-X
n16:organizacniJednotka
14310