Fabrication of Ceramic Materials through Building Up Block Particles

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  • ISHIGAKI Takamasa
    Department of Chemical Science and Technology, Faculty of Bioscience and Applied Chemistry, Hosei University Research Center for Micro-Nano Technology, Hosei University
  • KOYASU Satoshi
    Department of Chemical Science and Technology, Faculty of Bioscience and Applied Chemistry, Hosei University

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Other Title
  • 微粒子をビルディングブロックとしたセラミックス材料合成

Abstract

<p>Fabrication of ceramic materials has been developed through building up block particles. One of the commonest process of building blocks is a sintering process, in which dense sintered bodies are fabricated via building up particles. This work shows a different type of building blocks. Oriented ZnO seed layers composed of hexagonal plate-like ZnO particles were prepared by dip-coating convective self-assembly method through adjusting the particle volume fraction in suspension and the substrate withdrawal rate. Oriented ZnO rod films were fabricated by growing seed layers using a hydrothermal method. Concentration of the precursor, and hydrothermal treatment time was optimized to synthesize homogeneous ZnO rod arrays. The uniformity of the rod arrays was improved by applying a strong magnetic field (12 T) during hydrothermal treatment.</p>

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