Synthesis and characterization of uniform-sized cubic ytterbium scandium co-doped zirconium oxide (1Yb10ScSZ) nanoparticles by using basic amino acid as organic precursor

Jarot Raharjo, S. A. Muhammed Ali, Oka Pradipta Arjasa, Agustanhakri Bakri, X. Damisih, Eniya Listiani Dewi, Andanastuti Muchtar, Mahendra Rao Somalu

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Cubic ytterbium scandium stabilized zirconium oxide (1Yb10ScSZ) nanoparticles with highly uniform sizes were synthesized using basic amino acid as organic precursor in aqueous medium. The 1Yb10ScSZ materials were prepared by precipitation (P-YbScSZ) and sol-gel (SG-YbScSZ) using l-arginine as the basic amino acid. l-Arginine can form complex gel with metal cation and increase the solution pH. The calcination temperatures were varied from 600 to 700 °C to study the effect of calcination temperature on particle size. The stable cubic phase ensured the high ionic conductivity of the zirconia-based electrolyte material for solid-oxide fuel cells (SOFC). The crystal structures of the nanoparticles obtained from the precipitation and sol-gel methods were cubic, but the nanoparticles obtained from the precipitation method calcined at 600 °C were more uniformly sized. However, the symmetrical cell with SG-YbScSZ powder sintered at 1550 °C/5 h showed a higher ionic conductivity value of 0.012 Ω cm2 at 800 °C and a lower activation energy than the cell using the P-YbScSZ powder. This finding demonstrated that the 1Yb10ScSZ electrolyte prepared by the sol-gel method had better properties, higher sinter ability, and ability to obtain sufficient density with better electrical property than that prepared by the precipitation method.

Original languageEnglish
JournalInternational Journal of Hydrogen Energy
DOIs
Publication statusAccepted/In press - 1 Oct 2015

Fingerprint

Scandium
Ytterbium
scandium
ytterbium
zirconium oxides
Zirconia
amino acids
Amino acids
Arginine
gels
Ionic conductivity
Nanoparticles
Calcination
nanoparticles
Sol-gel process
synthesis
Electrolytes
roasting
ion currents
Powders

Keywords

  • 1Yb10ScSZ
  • Nanoparticles
  • SOFC
  • Synthesis

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

Synthesis and characterization of uniform-sized cubic ytterbium scandium co-doped zirconium oxide (1Yb10ScSZ) nanoparticles by using basic amino acid as organic precursor. / Raharjo, Jarot; Muhammed Ali, S. A.; Arjasa, Oka Pradipta; Bakri, Agustanhakri; Damisih, X.; Dewi, Eniya Listiani; Muchtar, Andanastuti; Somalu, Mahendra Rao.

In: International Journal of Hydrogen Energy, 01.10.2015.

Research output: Contribution to journalArticle

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AU - Arjasa, Oka Pradipta

AU - Bakri, Agustanhakri

AU - Damisih, X.

AU - Dewi, Eniya Listiani

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