Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Fabrication of 3-Dimensional LiMn2O4 Thin Film

  • Park, Bo-Gun (Department of Advanced Materials Engineering, Kyonggi University) ;
  • Ryu, Jea Hyeok (Department of Advanced Materials Engineering, Kyonggi University) ;
  • Choi, Won Youl (Department of Metal and Metallurgical Engineering, Kangnung National University) ;
  • Park, Yong-Joon (Department of Advanced Materials Engineering, Kyonggi University)
  • Published : 2009.03.20
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Abstract

3-Dimensionally ordered macroporous $LiMn_2O_4$ thin film was prepared by a sol-gel and dip coating method on Pt/Ti/$SiO_2$/Si substrate. An opal structure consisting of mono dispersed polystyrene beads (300 nm) was used as a template. After solution containing Mn and Li precursors was coated on the template-deposited substrate, the template and organic materials in the precursors was removed by calcination at 400 ${^{\circ}C}$. And then the 3-dimensional $LiMn_2O_4$ thin film with spinel structure was fabricated by heat treatment at 700 ${^{\circ}C}$. The structural and electrochemical property was investigated by XRD, SEM and charge-discharge cycler.

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