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Large-scale electrochemical synthesis of SnO2 nanoparticles

Tin oxide nanoparticles were synthesized by electrochemical oxidation of a tin metal sheet in a non-aqueous electrolyte containing NH 4 F. The as-prepared nanoparticles were then thermally annealed at 700 °C for 6 h. The resulting particles were characterized by a variety of experimental techniques,... Full description

Journal Title: Journal of materials science 2008-08-01, Vol.43 (15), p.5291-5299
Main Author: Chen, Wei
Other Authors: Ghosh, Debraj , Chen, Shaowei
Format: Electronic Article Electronic Article
Language: English
Subjects:
Publisher: New York: Springer US
ID: ISSN: 0022-2461
Link: http://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20563238
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recordid: cdi_proquest_miscellaneous_32975742
title: Large-scale electrochemical synthesis of SnO2 nanoparticles
format: Article
creator:
  • Chen, Wei
  • Ghosh, Debraj
  • Chen, Shaowei
subjects:
  • Annealing
  • Aqueous electrolytes
  • Article
  • Characterization and Evaluation of Materials
  • Chemical synthesis
  • Chemical synthesis methods
  • Classical Mechanics
  • Cross-disciplinary physics: materials science
  • rheology
  • Crystal structure
  • Crystallinity
  • Crystallography and Scattering Methods
  • Electrochemical oxidation
  • Exact sciences and technology
  • general
  • Heat treatment
  • Lattice vibration
  • Line broadening
  • Materials Science
  • Metal sheets
  • Methods of nanofabrication
  • Nanoparticles
  • Nonaqueous electrolytes
  • Photoluminescence
  • Physics
  • Polymer Sciences
  • Solid Mechanics
  • Tin dioxide
  • Tin oxides
  • Transmission electron microscopy
  • Vibration mode
  • X-ray diffraction
ispartof: Journal of materials science, 2008-08-01, Vol.43 (15), p.5291-5299
description: Tin oxide nanoparticles were synthesized by electrochemical oxidation of a tin metal sheet in a non-aqueous electrolyte containing NH 4 F. The as-prepared nanoparticles were then thermally annealed at 700 °C for 6 h. The resulting particles were characterized by a variety of experimental techniques, including X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), Raman, UV-visible, and photoluminescence (PL) spectroscopy. The XRD patterns clearly showed that the amorphous phase of the as-synthesized SnO 2 particles was transformed into a rutile-type crystalline structure after thermal treatment; and from the line broadening of the XRD peaks, the average size of the annealed particles was found to be 15.4, 12.5, 11.8 nm for the particles initially synthesized at 20, 30, and 40 V, respectively. Consistent results were also observed in HRTEM measurements which showed clear crystalline lattice fringes of the calcined nanoparticles, as compared to the featureless profiles of the as-produced counterparts. In Raman spectroscopic studies, three dominant peaks were observed at 480, 640, and 780 cm −1 which were ascribed to the E 1g , A 1g , and B 2g Raman active vibration modes, respectively, and the wavenumbers of these peaks blue-shifted with decreasing particle size. Additionally, a broad strong emission band was observed in room-temperature photoluminescence measurements.
language: eng
source:
identifier: ISSN: 0022-2461
fulltext: no_fulltext
issn:
  • 0022-2461
  • 1573-4803
url: Link


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descriptionTin oxide nanoparticles were synthesized by electrochemical oxidation of a tin metal sheet in a non-aqueous electrolyte containing NH 4 F. The as-prepared nanoparticles were then thermally annealed at 700 °C for 6 h. The resulting particles were characterized by a variety of experimental techniques, including X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), Raman, UV-visible, and photoluminescence (PL) spectroscopy. The XRD patterns clearly showed that the amorphous phase of the as-synthesized SnO 2 particles was transformed into a rutile-type crystalline structure after thermal treatment; and from the line broadening of the XRD peaks, the average size of the annealed particles was found to be 15.4, 12.5, 11.8 nm for the particles initially synthesized at 20, 30, and 40 V, respectively. Consistent results were also observed in HRTEM measurements which showed clear crystalline lattice fringes of the calcined nanoparticles, as compared to the featureless profiles of the as-produced counterparts. In Raman spectroscopic studies, three dominant peaks were observed at 480, 640, and 780 cm −1 which were ascribed to the E 1g , A 1g , and B 2g Raman active vibration modes, respectively, and the wavenumbers of these peaks blue-shifted with decreasing particle size. Additionally, a broad strong emission band was observed in room-temperature photoluminescence measurements.
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subjectAnnealing ; Aqueous electrolytes ; Article ; Characterization and Evaluation of Materials ; Chemical synthesis ; Chemical synthesis methods ; Classical Mechanics ; Cross-disciplinary physics: materials science; rheology ; Crystal structure ; Crystallinity ; Crystallography and Scattering Methods ; Electrochemical oxidation ; Exact sciences and technology ; general ; Heat treatment ; Lattice vibration ; Line broadening ; Materials Science ; Metal sheets ; Methods of nanofabrication ; Nanoparticles ; Nonaqueous electrolytes ; Photoluminescence ; Physics ; Polymer Sciences ; Solid Mechanics ; Tin dioxide ; Tin oxides ; Transmission electron microscopy ; Vibration mode ; X-ray diffraction
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descriptionTin oxide nanoparticles were synthesized by electrochemical oxidation of a tin metal sheet in a non-aqueous electrolyte containing NH 4 F. The as-prepared nanoparticles were then thermally annealed at 700 °C for 6 h. The resulting particles were characterized by a variety of experimental techniques, including X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), Raman, UV-visible, and photoluminescence (PL) spectroscopy. The XRD patterns clearly showed that the amorphous phase of the as-synthesized SnO 2 particles was transformed into a rutile-type crystalline structure after thermal treatment; and from the line broadening of the XRD peaks, the average size of the annealed particles was found to be 15.4, 12.5, 11.8 nm for the particles initially synthesized at 20, 30, and 40 V, respectively. Consistent results were also observed in HRTEM measurements which showed clear crystalline lattice fringes of the calcined nanoparticles, as compared to the featureless profiles of the as-produced counterparts. In Raman spectroscopic studies, three dominant peaks were observed at 480, 640, and 780 cm −1 which were ascribed to the E 1g , A 1g , and B 2g Raman active vibration modes, respectively, and the wavenumbers of these peaks blue-shifted with decreasing particle size. Additionally, a broad strong emission band was observed in room-temperature photoluminescence measurements.
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abstractTin oxide nanoparticles were synthesized by electrochemical oxidation of a tin metal sheet in a non-aqueous electrolyte containing NH 4 F. The as-prepared nanoparticles were then thermally annealed at 700 °C for 6 h. The resulting particles were characterized by a variety of experimental techniques, including X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), Raman, UV-visible, and photoluminescence (PL) spectroscopy. The XRD patterns clearly showed that the amorphous phase of the as-synthesized SnO 2 particles was transformed into a rutile-type crystalline structure after thermal treatment; and from the line broadening of the XRD peaks, the average size of the annealed particles was found to be 15.4, 12.5, 11.8 nm for the particles initially synthesized at 20, 30, and 40 V, respectively. Consistent results were also observed in HRTEM measurements which showed clear crystalline lattice fringes of the calcined nanoparticles, as compared to the featureless profiles of the as-produced counterparts. In Raman spectroscopic studies, three dominant peaks were observed at 480, 640, and 780 cm −1 which were ascribed to the E 1g , A 1g , and B 2g Raman active vibration modes, respectively, and the wavenumbers of these peaks blue-shifted with decreasing particle size. Additionally, a broad strong emission band was observed in room-temperature photoluminescence measurements.
copNew York
pubSpringer US
doi10.1007/s10853-008-2792-x