Synthesis of porous Al2O3/ZrO2 nanocomposites by chemical vapour deposition

Si Jung Park, Doo Jin Choi

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Al2O3/ZrO2 one-dimensional nanocomposite structures were synthesised by chemical vapour deposition using Al2O3 nanowires and a ZrCl4 powder source at a temperature of 800 °C and a pressure of 130 Pa. The samples were characterised using X-ray diffraction, the scanning electron microscopy, the transmission electron microscopy, and N2 adsorption–desorption. The results revealed that Al2O3/ZrO2 composite nanowires coated with surface-embedded ZrO2 nanocrystals were formed and that the ZrO2 macroporous and mesoporous structures changed as the ZrO2 deposition time increased. The pore structure and surface area were also elucidated from the N2 adsorption–desorption measurements.

Original languageEnglish
Pages (from-to)236-241
Number of pages6
JournalAdvances in Applied Ceramics
Volume116
Issue number5
DOIs
Publication statusPublished - 2017 Jul 4

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Nanowires
Chemical vapor deposition
Nanocomposites
Pore structure
Powders
Nanocrystals
Transmission electron microscopy
X ray diffraction
Scanning electron microscopy
Composite materials
Temperature
zirconium chloride

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Industrial and Manufacturing Engineering

Cite this

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abstract = "Al2O3/ZrO2 one-dimensional nanocomposite structures were synthesised by chemical vapour deposition using Al2O3 nanowires and a ZrCl4 powder source at a temperature of 800 °C and a pressure of 130 Pa. The samples were characterised using X-ray diffraction, the scanning electron microscopy, the transmission electron microscopy, and N2 adsorption–desorption. The results revealed that Al2O3/ZrO2 composite nanowires coated with surface-embedded ZrO2 nanocrystals were formed and that the ZrO2 macroporous and mesoporous structures changed as the ZrO2 deposition time increased. The pore structure and surface area were also elucidated from the N2 adsorption–desorption measurements.",
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Synthesis of porous Al2O3/ZrO2 nanocomposites by chemical vapour deposition. / Park, Si Jung; Choi, Doo Jin.

In: Advances in Applied Ceramics, Vol. 116, No. 5, 04.07.2017, p. 236-241.

Research output: Contribution to journalArticle

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