Title
Porous nanostructured metal oxides synthesized through atomic layer deposition on a carbonaceous template followed by calcination Porous nanostructured metal oxides synthesized through atomic layer deposition on a carbonaceous template followed by calcination
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Cambridge ,
Subject
Physics
Chemistry
Engineering sciences. Technology
Source (journal)
Journal of materials chemistry A : materials for energy and sustainability / Royal Society of Chemistry. - Cambridge, 2013, currens
Volume/pages
3(2015) :6 , p. 2642-2649
ISSN
2050-7488
ISI
000348990500019
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Porous metal oxides with nano-sized features attracted intensive interest in recent decades due to their high surface area which is essential for many applications, e.g. Li ion batteries, photocatalysts, fuel cells and dye-sensitized solar cells. Various approaches have so far been investigated to synthesize porous nanostructured metal oxides, including self-assembly and template-assisted synthesis. For the latter approach, forests of carbon nanotubes are considered as particularly promising templates, with respect to their one-dimensional nature and the resulting high surface area. In this work, we systematically investigate the formation of porous metal oxides (Al2O3, TiO2, V2O5 and ZnO) with different morphologies using atomic layer deposition on multi-walled carbon nanotubes followed by post-deposition calcination. X-ray diffraction, scanning electron microscopy accompanied by X-ray energy dispersive spectroscopy and transmission electron microscopy were used for the investigation of morphological and structural transitions at the micro-and nano-scale during the calcination process. The crystallization temperature and the surface coverage of the metal oxides and the oxidation temperature of the carbon nanotubes were found to produce significant influence on the final morphology.
E-info
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https://repository.uantwerpen.be/docman/iruaauth/f02b16/796125298.pdf
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Full text (open access)
https://repository.uantwerpen.be/docman/irua/df37da/8845.pdf
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