The Synthesis and Structure of Anodized Titania Nanotubes for Energy Conversion Materials

Rinnatha Vongwatthaporn; Narongsak Kodtharin; Udom Tipparach

doi:10.4028/www.scientific.net/AMR.1105.220

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1105The Synthesis and Structure of Anodized Titania...

The Synthesis and Structure of Anodized Titania Nanotubes for Energy Conversion Materials

Abstract:

Titania nanotubes (TiO₂NTs) photoanodes were synthesized by anodization method. The electrolytes were the mixtures of ethylene glycol (EG), ammonium fluoride (0.3 wt % NH₄F) and deionized water (2 Vol % H₂O) with different concentrations of dopant Fe (NO₃)₃∙9H₂O. A constant dc power supply at 50 V was used as anodic voltage. The samples were annealed at 450 °C for 2 hours. The resultant products were characterized by Scanning Electron Microscopy (SEM) and X-ray diffraction (XRD) to determine their microstructure when TiO₂NTs were doped with different amounts of Fe atoms. The diameters of TiO₂NTs were about60-120 nm. The highest density of TiO₂NTs was obtained when the nanotubes were doped with 0.01 M of Fe.

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Periodical:

Advanced Materials Research (Volume 1105)

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220-224

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https://doi.org/10.4028/www.scientific.net/AMR.1105.220

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Online since:

May 2015

Authors:

Rinnatha Vongwatthaporn, Narongsak Kodtharin, Udom Tipparach*

Keywords:

Anodization, Nanomaterials, Renewable Energy, Synthesis, TiO₂, Titania Nanotubes

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