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Lamp-assisted CVD of carbon micro/nano-structures using metal catalysts and CH2I2 precursor
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Materials Chemistry, Inorganic Chemistry. (oorgansik kemi)
2009 (English)In: Applied Surface Science, ISSN 0169-4332, E-ISSN 1873-5584, Vol. 255, no 10, 5368-5372 p.Article in journal (Refereed) Published
Abstract [en]

Carbon micro/nanofibers and nanotubes were deposited via chemical vapor deposition (CVD) using CH2I2 precursor and different metal catalysts (Pd, Ni, Fe, Co and Mn) on Si (1 0 0) substrates. A versatile and low-cost IR lamp technique is employed to induce the deposition process. With this method carbon features could be obtained already at temperatures much lower than with common techniques. Palladium metal was deposited by laser-assisted CVD from a liquid solution of the ammine complex and the 3d metals by thermal evaporation. Large-scale periodicity of nano-sized metal catalysts, and subsequently of carbon deposits was obtained by using monolayers of polystyrene microspheres as mask. The carbon structures were analyzed by SEM and micro-Raman spectroscopy.

Place, publisher, year, edition, pages
2009. Vol. 255, no 10, 5368-5372 p.
Keyword [en]
CVD, Nano, Carbon
National Category
Inorganic Chemistry
Research subject
Inorganic Chemistry
URN: urn:nbn:se:uu:diva-108443DOI: 10.1016/j.apsusc.2008.08.021ISI: 000263865000059OAI: oai:DiVA.org:uu-108443DiVA: diva2:235857
Available from: 2009-09-18 Created: 2009-09-18 Last updated: 2010-08-25Bibliographically approved

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