NDLI: Porous nanostructured metal oxides synthesized through atomic layer deposition on a carbonaceous template followed by calcination

Content Provider	Royal Society of Chemistry (RSC)
Author	Cott, Daire J. Detavernier, Christophe Kurttepeli, Mert Deng, Shaoren Bals, Sara
Copyright Year	2015
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.
Starting Page	2642
Ending Page	2649
Page Count	8
File Format	HTM / HTML PDF
ISSN	20507488
Volume Number	3
Issue Number	6
Journal	Journal of Materials Chemistry A
DOI	10.1039/c4ta05165c
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Li Ion Dye-sensitized solar cell Self-assembly Carbon nanotube Atomic layer deposition Calcination X-ray crystallography Scanning electron microscope Spectroscopy Transmission electron microscopy
Content Type	Text
Resource Type	Article
Subject	Chemistry Renewable Energy, Sustainability and the Environment Materials Science

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