Aerogel synthesis of yttria-stabilized zirconia by a non-alkoxide sol-gel route

Christopher N. Chervin, Brady J. Clapsaddle, Hsiang Wei Chiu, Alexander E. Gash, Joe H. Satcher, Susan M. Kauzlarich

Research output: Contribution to journalArticle

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Abstract

Homogeneous, nanocrystalline powders of yttria-stabilized zirconia (YSZ) were prepared using a nonalkoxide sol-gel method. Monolithic gels, free of precipitation, were prepared by addition of propylene oxide to aqueous solutions of Zr 4+ and Y 3+ chlorides at room temperature. The gels were dried with supercritical CO 2(l), resulting in amorphous aerogels that crystallized into stabilized ZrO 2 following calcination at 500°C. The aerogels and resulting crystalline products were characterized using in situ temperature profile X-ray diffraction, Raman spectroscopy, thermal analysis, transmission electron microscopy (TEM), scanning electron microscopy (SEM), nitrogen adsorption/desorption analysis, and elemental analysis by inductively coupled plasma-atomic emission spectroscopy. TEM and N 2 adsorption/desorption analysis of an aerogel prepared by this method indicated a porous network structure with a high surface area (409 m 2/g). The crystallized YSZ maintained high surface area (159 m 2/g) upon formation of homogeneous, nanoparticles (∼10 nm). Ionic conductivity at 1000°C of sintered YSZ (1500°C, 3 h) was 0.13 ± 0.02 Ω -1 cm -1. Activation energies for the conduction processes from 1000 to 550°C and 550-400°C were 0.95 ± 0.09 and 1.12 ± 0.05 eV, respectively.

Original languageEnglish (US)
Pages (from-to)3345-3351
Number of pages7
JournalChemistry of Materials
Volume17
Issue number13
DOIs
StatePublished - Jun 28 2005

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Aerogels
Yttria stabilized zirconia
Sol-gels
Desorption
Gels
Atomic emission spectroscopy
Transmission electron microscopy
Nanocrystalline powders
Adsorption
Inductively coupled plasma
Ionic conductivity
Carbon Monoxide
Calcination
Thermoanalysis
Sol-gel process
Propylene
Raman spectroscopy
Chlorides
Nitrogen
Activation energy

ASJC Scopus subject areas

  • Materials Chemistry
  • Materials Science(all)

Cite this

Chervin, C. N., Clapsaddle, B. J., Chiu, H. W., Gash, A. E., Satcher, J. H., & Kauzlarich, S. M. (2005). Aerogel synthesis of yttria-stabilized zirconia by a non-alkoxide sol-gel route. Chemistry of Materials, 17(13), 3345-3351. https://doi.org/10.1021/cm0503679

Aerogel synthesis of yttria-stabilized zirconia by a non-alkoxide sol-gel route. / Chervin, Christopher N.; Clapsaddle, Brady J.; Chiu, Hsiang Wei; Gash, Alexander E.; Satcher, Joe H.; Kauzlarich, Susan M.

In: Chemistry of Materials, Vol. 17, No. 13, 28.06.2005, p. 3345-3351.

Research output: Contribution to journalArticle

Chervin, CN, Clapsaddle, BJ, Chiu, HW, Gash, AE, Satcher, JH & Kauzlarich, SM 2005, 'Aerogel synthesis of yttria-stabilized zirconia by a non-alkoxide sol-gel route', Chemistry of Materials, vol. 17, no. 13, pp. 3345-3351. https://doi.org/10.1021/cm0503679
Chervin CN, Clapsaddle BJ, Chiu HW, Gash AE, Satcher JH, Kauzlarich SM. Aerogel synthesis of yttria-stabilized zirconia by a non-alkoxide sol-gel route. Chemistry of Materials. 2005 Jun 28;17(13):3345-3351. https://doi.org/10.1021/cm0503679
Chervin, Christopher N. ; Clapsaddle, Brady J. ; Chiu, Hsiang Wei ; Gash, Alexander E. ; Satcher, Joe H. ; Kauzlarich, Susan M. / Aerogel synthesis of yttria-stabilized zirconia by a non-alkoxide sol-gel route. In: Chemistry of Materials. 2005 ; Vol. 17, No. 13. pp. 3345-3351.
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