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Title: Controlled Gd2O3 nanorods and nanotubes by the annealing of Gd(OH)3 nanorod and nanotube precursors and self-templates produced by a microwave-assisted hydrothermal process
Authors: Titipun Thongtem
Anukorn Phuruangrat
Dong Jin Ham
Jae Sung Lee
Somchai Thongtem
Keywords: Chemistry
Materials Science
Physics and Astronomy
Issue Date: 1-Oct-2010
Abstract: One dimensional Gd(OH)3 nanorods and nanotubes were successfully produced through a microwave-assisted hydrothermal process of Gd(NO 3)3 solutions at pH 10, adjusted using 3 M NaOH and NH4OH as buffer solutions. Subsequently, the Gd(OH)3 nanorods and nanotubes, functioned as both the precursors and self-templates, were annealed at 450 °C for 2 h to form the respective Gd2O 3 nanorods and nanotubes whilst retaining their shapes. X-Ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, thermogravimetric analysis (TGA), scanning electron microscopy (SEM), transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HRTEM), and selected area electron diffraction (SAED) were used to characterize these Gd(OH)3 and Gd2O3 nanorods and nanotubes, of which the formation mechanisms were also proposed. © 2010 The Royal Society of Chemistry.
ISSN: 14668033
Appears in Collections:CMUL: Journal Articles

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