Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Synthesis of Metal Doped ZnO Nanoclusters by Microwave Assisted Polyol Process

마이크로웨이브 폴리올 공정에서 금속 도핑 산화아연 나노클러스터의 합성

  • Kwon, Oh-San (Department of Engineering Chemistry, Chungbuk National University) ;
  • Kang, Kuk-Hyoun (Department of Engineering Chemistry, Chungbuk National University) ;
  • Lee, Dong-Kyu (Department of Engineering Chemistry, Chungbuk National University)
  • 권오산 (충북대학교 공과대학 공업화학과) ;
  • 강국현 (충북대학교 공과대학 공업화학과) ;
  • 이동규 (충북대학교 공과대학 공업화학과)
  • Received : 2014.09.15
  • Accepted : 2014.09.19
  • Published : 2014.09.30
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Abstract

ZnO has attracted much attention such as photocatalysts, sensors, piezoelectricity and etc. At present, an economical and rapid synthesis route based on the efficient microwave polyol process is used to synthesized metal-doped ZnO nanoclusters. Diethylene glycol has a property of high polarizability, and is an excellent microwave absorbing agent, thus leading to a high heating rate and a significantly shorter reaction time. In this study, metal-doped ZnO nanoclusters are obtained with different seed volumes, when zinc acetate dihydrate is used as a precursor, and metal acetate hydrate is used as a doped-metal and diethylene glycol is used as a solvent. The obtained metal-doped ZnO nanoclusters were characterized by FE-SEM, XRD, Raman and PSA.

금속이 도핑 된 산화아연 나노클러스터를 합성하기 위해 마이크로웨이브를 이용한 폴리올 공정은 빠르고 경제적인 합성 방법이다. 디에틸렌글리콜은 높은 분극률과 마이크로파의 흡수 능력이 뛰어나며, 높은 온도상승 비율과 반응시간을 짧게 해준다. 본 연구에서는 금속이 도핑 된 산화아연 나노클러스터를 합성하기 위해서 첨가되는 seed의 부피비를 다르게 하여 얻었으며, 전구체로는 아세트산 아연 2수화물, 도핑 금속은 아세트산 금속 염을 그리고 용매로서 디에틸렌글리콜을 사용하였다. 금속이 도핑된 산화아연 클러스터는 FE-SEM, XRD, Raman, PSA로 특성을 확인하였다.

Keywords

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