The Journal of the Convergence on Culture Technology (문화기술의 융합)

The International Promotion Agency of Culture Technology (국제문화기술진흥원)
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Synthesis of NiO-CuO Nano Composite using Nickel(II) Nitrate Metal Salt as a Precursor

금속질산염을 전구체로 사용한 NiO-CuO 나노복합재료의 합성

  • 김수종 (한라대학교 신소재화학공학과) ;
  • 김재호 (한라대학교 신소재화학공학과)
  • Received : 2024.08.27
  • Accepted : 2024.11.05
  • Published : 2024.11.30
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Abstract

Ceramic nanocomposites made of two metal oxides exhibiting different properties exhibit better improved properties than the electrical, optical, magnetic, and catalytic properties of their single oxides. These Ceramics nanoparticles have remarkably different properties of the particles produced depending on how they are synthesized. This study aims to synthesize NiO-CuO nanocomposites using a new synthesis method and to investigate the properties of the resulting NiO-CuO particles. NiO-CuO nanocomposite nanoparticles were synthesized using an aqueous solution prepared from nickel and copper nitrates as a precursor. It was confirmed that a NiO-CuO noncomposite was formed even when the precursor impregnated with starch, a natural polymer matrix, in which the aqueous metal salt solution of nickel and copper was calcined at a low temperature. In addition, the crystal structure, constituent elements, and particle size of NiO-CuO particles generated as the calcination temperature of the precursor increased were analyzed by X-ray diffraction analysis (XRD), EDS, and SEM. It is confirmed that a pure NiO-CuO phase was formed at the calcination temperature of 400℃, and the particle size and crystallinity of the produced NiO-CuO composite material increased as the calcination temperature increased.

서로 다른 특성을 나타내는 두 개의 금속산화물로 이루어진 세라믹스 나노복합재료는 그들의 단일산화물이 가지는 전기적, 광학적, 자기적 및 촉매 특성보다 더 우수한 향상된 특성을 나타낸다. 이러한 세라믹스 나노입자는 합성하는 방법에 따라 생성되는 입자의 특성이 현저하게 달라진다. 본 연구는 액상전구체를 사용한 합성법으로 NiO-CuO 나노복합재료를 합성하고 생성된 NiO-CuO 입자의 특성을 조사하는 것을 목표로 하였다. 니켈과 구리의 질산염으로 제조한 수용액을 전구체로 사용하여 산화니켈-산화구리(NiO-CuO) 나노복합재료 입자를 합성하였다. 니켈과 구리의 금속염 수용액이 천연고분자 매트릭스인 전분(starch)에 함침된 전구체는 낮은 하소온도에서 NiO-CuO 나노복합재료가 생성되는 것을 확인하였다. 또한, 전구체의 하소온도 증가에 따라 생성되는 NiO-CuO 입자의 결정구조, 구성 원소 및 입자크기를 X선회절분석(XRD), EDS와 SEM으로 분석하였다. 하소온도 400℃에서 순수한 NiO-CuO 상이 형성되었고 하소온도가 증가할수록 생성되는 NiO-CuO 복합재료의 입자크기 및 결정성이 증가함을 확인하였다.

Keywords

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