Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Fabrication and Properties of Au fine Particles Doped ZrO2 Thin Films by the Sol-gel Method

졸-겔법에 의한 Au 미립자 분산 ZrO2 박막의 제조와 특성

  • 이승민 (경남대학교 신소재공학부) ;
  • 문종수 (경남대학교 신소재공학부)
  • Published : 2003.05.01
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Abstract

Nanocomposite of Au doped ZrO$_2$ films was prepared, which could be used as non-linear optic materials, selective absorption and transmission films. After heat treatment of prepared thin film by dip-coating method, the characteristics were investigated by X-ray diffraction, UV-VIS Spectrometer, Atomic Force Microscopy (AFM) and Scanning Electron Microscope (SEM). Film thickness was about 150 nm, the Au particle size was 15~35 nm. The thin film had a smooth surface roughness about 1.06 nm. Nonlinearity optics was found that films showed absorption peak at 600~650 nm visible region by plasma resonance of Au metal particles.

금 미립자를 ZrO$_2$중에 분산시켜 비선형광학재료, 선택흡수막 및 투과막 등 새로운 기능성 재료로 활용하기 위하여 Au/ZrO$_2$나노복합체 박막을 제조하였다. 딥-코팅법에 의해 제조한 박막을 열처리한 후 그 특성을 엑스선 회절분석,분광분석, 주사탐침현미경 및 전자현미경 등을 이용하여 조사하였다. Au/ZrO$_2$ 박막은 150 nm의 두께를 보였으며, 박막의 표면에 분산된 금 미립자의 크기는 15~35 nm였으며, 표면거칠기는 약 1.06 nm로 막질이 우수하였다. 그리고 가시광선 영역인 600~650 nm의 파장범위에서 금 미립자의 플라즈마 공명에 의한 흡수 피_크를 나타내어 비선형광학성을 확인할 수 있었다.

Keywords

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