Korean Journal of Materials Research (한국재료학회지)

Materials Research Society of Korea (한국재료학회)
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Fabrication and Characterization of Y2Ti2O7 Powder and Thick Film by Chemical Processing

화학적 공정을 이용한 Y2Ti2O7 분말과 후막 제조 및 특성

  • Lee, Won-Joon (School of Nano & Advanced Materials Engineerin, Changwon National University) ;
  • Choi, Yeon-Bin (School of Nano & Advanced Materials Engineerin, Changwon National University) ;
  • Bae, Dong-Sik (School of Nano & Advanced Materials Engineerin, Changwon National University)
  • 이원준 (국립 창원대학교 신소재 공학과) ;
  • 최연빈 (국립 창원대학교 신소재 공학과) ;
  • 배동식 (국립 창원대학교 신소재 공학과)
  • Received : 2017.03.01
  • Accepted : 2017.04.05
  • Published : 2017.05.27
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Abstract

$Y_2Ti_2O_7$ nanoparticles (0.3 mol%) have been successfully synthesized by the co-precipitation process. The samples, adjusted to pH7 with ammonia solution as catalyst and calcined at $700{\sim}900^{\circ}C$, exhibit very fine particles with close to spherical shape and average size of 10-30 nm. It was possible to control the size of the synthesized $Y_2Ti_2O_7$ particles by manipulating the conditions. The $Y_2Ti_2O_7$ nanoparticles were coated on a glass substrate by a dipping coating process with inorganic binder. The $Y_2Ti_2O_7$ solution coated on the glass substrate had excellent adhesion of 5B; pencil hardness test results indicated an excellent hardness of 6H. The thickness of the thick film was about $30{\mu}m$. Decomposition of MB on the $Y_2Ti_2O_7$ thin film shows that the photocatalytic properties were excellent.

Keywords

References

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