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Polysiloxane Nanotubes


Stojanovic, Ana; Olveira, Sandro; Fischer, Maria; Seeger, Stefan (2013). Polysiloxane Nanotubes. Chemistry of Materials, 25(14):2787-2792.

Abstract

The synthesis of polysiloxane nanotubes using trifunctional
organosilanes is reported. Tubular nanostructures were formed via a chemical vapor deposition technique at room temperature when ethyltrichlorosilane is used or via a liquid phase method when methyltriethoxysilane is used as precursor. In the chemical vapor deposition process the shape of the tubes was controlled by changing the water content in the reaction chamber prior to coating. The diameter varied between 60 and 4000 nm. While in the case of the liquid phase method nanotubes with very high aspect ratios of 800 are produced. Parameters, such as length and diameter of the various tubes, were investigated using scanning electron microscopy and transmission
electron microscopy. Additionally, the chemical composition of produced structures was analyzed using attenuated total
reflectance-infrared and energy-dispersive X-ray spectroscopy. Glass substrates coated with such structures exhibit extreme superhydrophobic properties.

Abstract

The synthesis of polysiloxane nanotubes using trifunctional
organosilanes is reported. Tubular nanostructures were formed via a chemical vapor deposition technique at room temperature when ethyltrichlorosilane is used or via a liquid phase method when methyltriethoxysilane is used as precursor. In the chemical vapor deposition process the shape of the tubes was controlled by changing the water content in the reaction chamber prior to coating. The diameter varied between 60 and 4000 nm. While in the case of the liquid phase method nanotubes with very high aspect ratios of 800 are produced. Parameters, such as length and diameter of the various tubes, were investigated using scanning electron microscopy and transmission
electron microscopy. Additionally, the chemical composition of produced structures was analyzed using attenuated total
reflectance-infrared and energy-dispersive X-ray spectroscopy. Glass substrates coated with such structures exhibit extreme superhydrophobic properties.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Chemistry
Dewey Decimal Classification:540 Chemistry
Language:English
Date:2013
Deposited On:20 Feb 2014 10:16
Last Modified:16 Feb 2018 19:33
Publisher:American Chemical Society
ISSN:0897-4756
OA Status:Closed
Publisher DOI:https://doi.org/10.1021/cm400851k

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