Title
Atomic layer deposition-based synthesis of photoactive <tex>$TiO_{2}$</tex> nanoparticle chains by using carbon nanotubes as sacrificial templates Atomic layer deposition-based synthesis of photoactive <tex>$TiO_{2}$</tex> nanoparticle chains by using carbon nanotubes as sacrificial templates
Author
Faculty/Department
Faculty of Sciences. Physics
Faculty of Sciences. Bioscience Engineering
Publication type
article
Publication
Subject
Physics
Biology
Engineering sciences. Technology
Source (journal)
RSC advances
Volume/pages
4(2014) , p. 11648-11653
ISSN
2046-2069
ISI
000332470000017
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Highly ordered and self supported anatase TiO2 nanoparticle chains were fabricated by calcining conformally TiO2 coated multi-walled carbon nanotubes (MWCNTs). During annealing, the thin tubular TiO2 coating that was deposited onto the MWCNTs by atomic layer deposition (ALD) was transformed into chains of TiO2 nanoparticles ([similar]12 nm diameter) with an ultrahigh surface area (137 cm2 per cm2 of substrate), while at the same time the carbon from the MWCNTs was removed. Photocatalytic tests on the degradation of acetaldehyde proved that these forests of TiO2 nanoparticle chains are highly photoactive under UV light because of their well crystallized anatase phase.
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