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Nanowires for surface enlargement of narrow-bore fused-silica tubing
KTH, Superseded Departments, Chemistry.
KTH, Superseded Departments, Chemistry.
KTH, Superseded Departments, Chemistry.
2004 (English)In: Electrophoresis, ISSN 0173-0835, E-ISSN 1522-2683, Vol. 25, no 21-22, 3660-3668 p.Article in journal (Refereed) Published
Abstract [en]

A method for preparation of silica nanowires with dimensions of d = 10-100 nm, 5-500 nm, is described. The nanostructured material is an integral part of the inner surface of narrow bore fused-silica capillary tubing. The wire preparation method is based on a decomposition of 2-chloro-1,1,2-trifluoroethyl methyl ether at elevated temperature and pressure. The silica bulk material is rearranged via a sustained silica-hydrogen fluoride chemistry, and reaction mechanisms for this process are proposed. The method is suitable for preparing long lengths of tubing with the modified surface. It is our belief that the texture of the capillary wall with its increased surface area is useful for applications such as microreactions, catalysis, and high-resolution pressure and/or electrodriven open-tubular liquid chromatography.

Place, publisher, year, edition, pages
2004. Vol. 25, no 21-22, 3660-3668 p.
Keyword [en]
2-chloro-1, 1, 2-trifluoroethyl methyl ether, fused-silica capillary, miniaturization, nanowires, silica, tubular liquid-chromatography, hydrogen-fluoride, amorphous silica, gas-chromatography, crystal-growth, whisker growth, vapor, phase, nanotubes, mechanism
National Category
Biochemistry and Molecular Biology
URN: urn:nbn:se:kth:diva-23951DOI: 10.1002/elps.200406085ISI: 000225679000015ScopusID: 2-s2.0-10944246713OAI: diva2:342650
QC 20100525 QC 20110915Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2011-09-15Bibliographically approved

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Woldegiorgis, AndreasCurcio, MarioRoeraade, Johan
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