Synthesis and characterization of WO{sub 3} nanostructures prepared by an aged-hydrothermal method

Journal Article · Tue Sep 15 00:00:00 EDT 2009 · Materials Characterization

DOI:https://doi.org/10.1016/J.MATCHAR.2009.03.006· OSTI ID:22066119

Huirache-Acuna, R ^[1]; Paraguay-Delgado, F ^[2]; Albiter, M A; Lara-Romero, J ^[3]; Martinez-Sanchez, R ^[2]

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1. CFATA-UNAM, Boulevard Juriquilla 3001, Juriquilla Queretaro, 76230 (Mexico)
2. Centro de Investigacion en Materiales Avanzados, S.C. CIMAV, Laboratorio Nacional de Nanotecnologia-Chihuahua, Miguel de Cervantes 120, Complejo Industrial Chihuahua, Chih., 31109 (Mexico)
3. Facultad de Ingenieria Quimica, Universidad Michoacana de San Nicolas de Hidalgo, Morelia Mich., 58000 (Mexico)

Nanostructures of tungsten trioxide (WO{sub 3}) have been successfully synthesized by using an aged route at low temperature (60 deg. C) followed by a hydrothermal method at 200 deg. C for 48 h under well controlled conditions. The material was studied by X-ray diffraction (XRD), scanning electron microscopy (SEM) and Energy Dispersive Spectroscopy (EDS), transmission electron microscopy (TEM) and high-resolution transmission electron microscopy (HRTEM), Raman spectroscopy and X-ray photoelectron spectroscopy (XPS). Specific Surface Area (S{sub BET}) were measured by using the BET method. The lengths of the WO{sub 3} nanostructures obtained are between 30 and 200 nm and their diameters are from 20 to 70 nm. The growth direction of the tungsten oxide nanostructures was determined along [010] axis with an inter-planar distance of 0.38 nm.

• OSTI ID: 22066119
• Journal Information: Materials Characterization, Vol. 60, Issue 9; Other Information: Copyright (c) 2009 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA); ISSN 1044-5803
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
77 NANOSCIENCE AND NANOTECHNOLOGY
AGING
CRYSTAL GROWTH
CRYSTAL STRUCTURE
HYDROTHERMAL SYNTHESIS
NANOSTRUCTURES
RAMAN SPECTROSCOPY
SCANNING ELECTRON MICROSCOPY
SPECIFIC SURFACE AREA
TEMPERATURE DEPENDENCE
TRANSMISSION ELECTRON MICROSCOPY
TUNGSTEN OXIDES
X-RAY DIFFRACTION
X-RAY PHOTOELECTRON SPECTROSCOPY
X-RAY SPECTROSCOPY