Thermal stability of ordered mesoporous yttria-stabilized zirconia

I. Ming Hung, Kuan-Zong Fung, De Tsai Hung, Min Hsiung Hon

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

The hexagonal mesostructured nanocrystalline 16 mol% yttria-stabilized zirconia (8YSZ) formed by using a Pluronic triblock copolymer F127 as template is reported as a function of temperature. The characterization of the samples is achieved using wide-angle XRD diffraction, small-angle XRD diffraction, nitrogen adsorption-desorption, and transmission electron microscopy. The mesostructured 8YSZ calcined at 500 °C is found to be based upon a 2D periodic array of mesopores with diameter around 6.4 nm and the 8YSZ framework is composed of about 4.8 nm nanocrystallites. The sample has a BET surface area of 124 m2/g with a narrow pore size distribution. The ordered mesoporous structure remained even after calcination up to temperature of 600 °C grew out collapsed gradually when calcined above 700 °C owing to the fact that the crystallite size of 8YSZ larger than the inorganic pore-wall thickness.

Original languageEnglish
Pages (from-to)1161-1167
Number of pages7
JournalJournal of the European Ceramic Society
Volume28
Issue number6
DOIs
Publication statusPublished - 2008 Feb 7

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UCON 50-HB-5100
Yttria stabilized zirconia
Thermodynamic stability
Diffraction
Poloxamer
Nanocrystallites
Crystallite size
Calcination
Block copolymers
Pore size
Desorption
Nitrogen
Transmission electron microscopy
Adsorption
Temperature

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites

Cite this

Hung, I. Ming ; Fung, Kuan-Zong ; Hung, De Tsai ; Hon, Min Hsiung. / Thermal stability of ordered mesoporous yttria-stabilized zirconia. In: Journal of the European Ceramic Society. 2008 ; Vol. 28, No. 6. pp. 1161-1167.
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Thermal stability of ordered mesoporous yttria-stabilized zirconia. / Hung, I. Ming; Fung, Kuan-Zong; Hung, De Tsai; Hon, Min Hsiung.

In: Journal of the European Ceramic Society, Vol. 28, No. 6, 07.02.2008, p. 1161-1167.

Research output: Contribution to journalArticle

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