Authors:
Mónika Urbán Department of Applied and Environmental Chemistry, University of Szeged, Rerrich Béla tér 1, H-6720 Szeged, Hungary

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Zoltán Kónya Department of Applied and Environmental Chemistry, University of Szeged, Department of Applied and Environmental Chemistry Rerrich Béla tér 1, H-6720 Szeged, Hungary H-6720 Szeged

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Multiwall carbon nanotubes were synthesized either on the outer surface of iron containing mesoporous silicates using catalytic chemical vapor deposition (CCVD) or in the pore system of morphologically different mesoporous materials (hexagonal or spherical shapes) with graphitization of the template molecules. Transmission electron microscopy (TEM) study shows that the CCVD method resulted in long, bent and well graphitized carbon nanotubes on impregnated samples irrespective to the morphology of the silicate. Isomorphously substituted spherical MCM-41 with low Si/Fe ratio was found to be active catalysts for carbon nanotube production in CCVD as well. Synthesis of MWNTs with graphitization of template molecules in the pores of MCM-41 was successful in hexagonal MCM-41 samples irrespective that they contain or not iron in the silicate framework. Carbon nanotube formation was not observed in spherical derivatives of these samples during the graphitization process.

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Senior editors

Editor-in-Chief: Kukovecz Ákos (SZTE)

Editor-in-Chief: Kónya Zoltán (SZTE)

 

Nanopages
Publication Model Gold Open Access
Submission Fee none
Article Processing Charge none
Printed Color Illustrations 40 EUR (or 10 000 HUF) + VAT / piece
Subscription Information Gold Open Access

Nanopages
Language English
Size B5
Year of
Foundation
2006
Volumes
per Year
1
Issues
per Year
1
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1787-4033 (Print)
ISSN 1788-0718 (Online)

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