Hydrothermal synthesis, characterization, and optical properties of wolframite ZnWO<inf>4</inf> nanorods

In this research, the effects of pH, reaction temperature and holding reaction time on the synthesis of one-dimensional ZnWO4 nanostructures by a hydrothermal method were studied. Phase, morphology and atomic vibration were characterized by X-ray diffraction (XRD), scanning and transmission electron...

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Main Authors: Parada Siriwong, Titipun Thongtem, Anukorn Phuruangrat, Somchai Thongtem
Format: Journal
Published: 2018
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http://cmuir.cmu.ac.th/jspui/handle/6653943832/49843
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Institution: Chiang Mai University
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spelling th-cmuir.6653943832-498432018-09-04T04:30:28Z Hydrothermal synthesis, characterization, and optical properties of wolframite ZnWO<inf>4</inf> nanorods Parada Siriwong Titipun Thongtem Anukorn Phuruangrat Somchai Thongtem Chemistry Materials Science Physics and Astronomy In this research, the effects of pH, reaction temperature and holding reaction time on the synthesis of one-dimensional ZnWO4 nanostructures by a hydrothermal method were studied. Phase, morphology and atomic vibration were characterized by X-ray diffraction (XRD), scanning and transmission electron microscopy (SEM and TEM), and Fourier transform infrared (FTIR) and Raman spectroscopy. The pure monoclinic ZnWO4 structure was synthesized at the pH solutions of 7 and 8. By varying the pH values, the mixtures of monoclinic ZnWO4 and hexagonal ZnO as major and minor phases were detected at the pH 9 and 10 solutions, and the pure hexagonal ZnO phase at the pH 11 and 12. SEM and TEM images proved that ZnWO4 nanorods grew along the [021] direction, with the reaction temperature and time to control their morphologies. The Zn-O, Zn-O-W, and W-O stretching vibrations were detected at 474, 888, and 726 cm-1, and their corresponding bending vibrations at 430, 826, and 582 cm-1, respectively. The optical properties of ZnWO4 nanorods were also investigated by UV-visible (UV-vis) and photoluminescence (PL) spectroscopy. The above analyses proved that the appropriate condition for synthesizing of ZnWO4 nanorods is at pH 8 by the 200°C and 24 h hydrothermal treatment. © 2011 The Royal Society of Chemistry. 2018-09-04T04:18:59Z 2018-09-04T04:18:59Z 2011-03-07 Journal 14668033 14668033 2-s2.0-79951791449 10.1039/c0ce00402b https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=79951791449&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/49843
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
topic Chemistry
Materials Science
Physics and Astronomy
spellingShingle Chemistry
Materials Science
Physics and Astronomy
Parada Siriwong
Titipun Thongtem
Anukorn Phuruangrat
Somchai Thongtem
Hydrothermal synthesis, characterization, and optical properties of wolframite ZnWO<inf>4</inf> nanorods
description In this research, the effects of pH, reaction temperature and holding reaction time on the synthesis of one-dimensional ZnWO4 nanostructures by a hydrothermal method were studied. Phase, morphology and atomic vibration were characterized by X-ray diffraction (XRD), scanning and transmission electron microscopy (SEM and TEM), and Fourier transform infrared (FTIR) and Raman spectroscopy. The pure monoclinic ZnWO4 structure was synthesized at the pH solutions of 7 and 8. By varying the pH values, the mixtures of monoclinic ZnWO4 and hexagonal ZnO as major and minor phases were detected at the pH 9 and 10 solutions, and the pure hexagonal ZnO phase at the pH 11 and 12. SEM and TEM images proved that ZnWO4 nanorods grew along the [021] direction, with the reaction temperature and time to control their morphologies. The Zn-O, Zn-O-W, and W-O stretching vibrations were detected at 474, 888, and 726 cm-1, and their corresponding bending vibrations at 430, 826, and 582 cm-1, respectively. The optical properties of ZnWO4 nanorods were also investigated by UV-visible (UV-vis) and photoluminescence (PL) spectroscopy. The above analyses proved that the appropriate condition for synthesizing of ZnWO4 nanorods is at pH 8 by the 200°C and 24 h hydrothermal treatment. © 2011 The Royal Society of Chemistry.
format Journal
author Parada Siriwong
Titipun Thongtem
Anukorn Phuruangrat
Somchai Thongtem
author_facet Parada Siriwong
Titipun Thongtem
Anukorn Phuruangrat
Somchai Thongtem
author_sort Parada Siriwong
title Hydrothermal synthesis, characterization, and optical properties of wolframite ZnWO<inf>4</inf> nanorods
title_short Hydrothermal synthesis, characterization, and optical properties of wolframite ZnWO<inf>4</inf> nanorods
title_full Hydrothermal synthesis, characterization, and optical properties of wolframite ZnWO<inf>4</inf> nanorods
title_fullStr Hydrothermal synthesis, characterization, and optical properties of wolframite ZnWO<inf>4</inf> nanorods
title_full_unstemmed Hydrothermal synthesis, characterization, and optical properties of wolframite ZnWO<inf>4</inf> nanorods
title_sort hydrothermal synthesis, characterization, and optical properties of wolframite znwo<inf>4</inf> nanorods
publishDate 2018
url https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=79951791449&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/49843
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