Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Synthesis of Prussian Blue Analogue and Magnetic and Adsorption Characteristics of MnFe2O4

프러시안 블루 유사체의 합성 및 MnFe2O4의 자성과 흡착 특성

  • Lee, Hye-In (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)
  • 이혜인 (충북대학교 공과대학 공업화학과) ;
  • 강국현 (충북대학교 공과대학 공업화학과) ;
  • 이동규 (충북대학교 공과대학 공업화학과)
  • Received : 2016.02.23
  • Accepted : 2016.03.15
  • Published : 2016.03.30
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Abstract

The Prussian Blue Analogue(PBA) has three dimensional structure and the metal - organic framework material, and it has a variety configurations depending on the type of organic ligands. PBA has been receving an attention in the fields of biosensors, optical, catalytic, and hydrogen storage device. Also, it is an environmental friendly substance with a chemical stability. In addition, PBA is widely used in the filed of adsorption art since we can adjust the size of the fine pores. In this study, we synthesized $Mn_3[Fe(CN)_6]_2$, an organometallic framework chains by using a hydrothermal synthesis method. We used $K_4[Fe(CN)_6]$ and $MnCl_2$ as precursors. We also produced a manganese iron oxide, by baking the synthesized material. The effect of the size and shape of the particles was examined by controling pH of the precursor solution, the molar concentration of the precursor, and reaction time as the experimental variables. Synthesized absorbent was analyzed by XRD, SEM, FT-IR, UV-Vis, and TG / DTA to evaluate the adsorption properties of several dyes.

프러시안 블루 유사체(Prussian Blue Analogue : PBA)는 3차원 구조와 기공을 갖는 금속-유기골격체이며, 유기 리간드의 종류에 따라 다양한 구조를 갖는다. PBA는 바이오센서, 광학, 촉매, 수소 저장 장치 등의 분야에서 주목 받고 있으며 화학적 안정성을 가진 환경 친화적인 물질이다. 또한 다양한 크기의 미세기공을 조정할 수 있어 흡착분야에서 많이 활용되고 있다. 본 연구는 수열합성법을 이용하여 금속유기골격체인 $Mn_3[Fe(CN)_6]_2$를 합성하였다. 전구체로 $K_4[Fe(CN)_6]$와 $MnCl_2$를 사용하였고, 합성된 물질은 소성하여 망간철산화물을 생성하였다. 실험 변수로 전구용액의 pH, 전구체의 몰농도, 반응시간을 조절하여 입자의 크기와 형태에 대한 영향을 확인하였다. 합성된 다공체는 XRD, SEM, FT-IR, UV-Vis, TG/DTA에 의해 분석하였고, 여러 염료에 대한 흡착 특성을 평가하였다.

Keywords

References

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