한국재료학회지 (Korean Journal of Materials Research)

  • 제34권2호
  • /
  • Pages.79-84
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  • 2024
  • /
  • 1225-0562(pISSN)
  • /
  • 2287-7258(eISSN)
한국재료학회 (Materials Research Society of Korea)
권호 표지
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Crack-Free Fabrications of Yttria-Stabilized Zirconia Films Using Successive-Ionic-Layer-Adsorption-and-Reaction and Air-Spray Plus Method

  • Taeyoon Kim (Department of Engineering in Energy Materials, Graduate School of Silla University) ;
  • Sangmoon Park (Department of Engineering in Energy Materials, Graduate School of Silla University)
  • 투고 : 2024.01.15
  • 심사 : 2024.01.24
  • 발행 : 2024.02.27
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초록

Thin films of yttria-stabilized zirconia (YSZ) nanoparticles were prepared using a low-temperature deposition and crystallization process involving successive ionic layer adsorption and reaction (SILAR) or SILAR-Air spray Plus (SILAR-A+) methods, coupled with hydrothermal (175 ℃) and furnace (500 ℃) post-annealing. The annealed YSZ films resulted in crystalline products, and their phases of monoclinic, tetragonal, and cubic were categorized through X-ray diffraction analysis. The morphologies of the as-prepared films, fabricated by SILAR and SILAR-A+ processes, including hydrothermal dehydration and annealing, were characterized by the degree of surface cracking using scanning electron microscopy images. Additionally, the thicknesses of the YSZ thin films were compared by removing diffusion layers such as spectator anions and water accumulated during the air spray plus process. Crack-free YSZ thin films were successfully fabricated on glass substrates using the SILAR-A+ method, followed by hydrothermal and furnace annealing, making them suitable for application in solid oxide fuel cells.

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과제정보

This research was supported by "Regional Innovation Strategy (RIS)" through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (MOE) (2023RIS-007).

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