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Morphology, crystal structure and adsorption performance of hydrothermally synthesized titania and titanate nanostructures

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Morphology, crystal structure and adsorption performance of hydrothermally synthesized titania and titanate nanostructures

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dc.contributor.author Lim, Linda Ying Wen
dc.contributor.author Tang, Yuxin
dc.contributor.author Cheng, Yu Hua
dc.contributor.author Chen, Zhong
dc.date.accessioned 2012-05-25T03:00:52Z
dc.date.available 2012-05-25T03:00:52Z
dc.date.copyright 2010
dc.date.issued 2012-05-25
dc.identifier.citation Lim, L. Y. W., Tang, Y., Cheng, Y. H., & Chen, Z. (2010). Morphology, crystal structure and adsorption performance of hydrothermally synthesized titania and titanate nanostructures. Nanoscale, 2, 2751-2757.
dc.identifier.uri http://hdl.handle.net/10220/8146
dc.description.abstract Titania (TiO2) and sodium titanate nanostructures with controllable phases and morphologies were synthesized by hydrothermal method with titanium disulfide (TiS2) as the starting material. Sodium 5 titanate nanobelts could be synthesized under a relatively low alkaline concentration (1 mol L-1 NaOH) and short duration (6 hours). At 3 mol L-1 HCl, rutile TiO2 nanorods were synthesized. Anatase TiO2 nanoparticles were obtained under pH values ranged between 2 to 13. FTIR analysis confirmed the phase change as the pH of the reacting medium increased from highly acidic to highly alkaline condition. The adsorption of methylene blue (MB) on the as-synthesized sodium titanate nanobelts 10 fitted well with the Langmuir monolayer model, with an adsorption capacity as high as 312.5 mg g-1. The kinetics of MB adsorption was found to be pseudo-second-order kinetic model. In brief, this study demonstrates a simple method to control the phase and morphology of titanium-based oxides. Excellent performance has been shown in the MB adsorption test by the sodium titanate nanostructures.
dc.format.extent 14 p.
dc.language.iso en
dc.relation.ispartofseries Nanoscale
dc.rights © 2010 The Royal Society of Chemistry.This is the author created version of a work that has been peer reviewed and accepted for publication by Nanoscale, Royal Society of Chemistry. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1039/c0nr00440e].
dc.subject DRNTU::Engineering::Materials::Nanostructured materials
dc.title Morphology, crystal structure and adsorption performance of hydrothermally synthesized titania and titanate nanostructures
dc.type Journal Article
dc.contributor.school School of Materials Science and Engineering
dc.identifier.doi http://dx.doi.org/10.1039/c0nr00440e
dc.description.version Accepted version

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