Synthesis of indium tin oxide powder by solid-phase reaction with microwave heating

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概要

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• Indium tin oxide (ITO) powder was synthesized from indium oxide and tin oxide powders by a solid-phase method using microwave heating and conventional heating methods. Microwave heating could reduce the treatment time necessary for the completion of the solid-phase reaction by 1/30. This decrease was attributed to an increase in the diffusion rate of Sn at the local heat spot in the indium oxide formed by microwave irradiation. However, microwave heating also decreased the amount of ITO produced, since the powder layer of the raw material was heated unevenly and had an uneven temperature distribution. Therefore, a microwave heating method including a mixing process was proposed in order to diminish the uneven progress of the ITO synthesis reaction in the powder layer. This revised method could increase the conversion to ITO, which is higher than that obtained by using the conventional heating method. Hence, the electric conductivity of the powder layer obtained by the proposed method was higher than that of the commercially supplied ITO powder layer.

• Elsevier Science BVの論文
• 2009-09-01

著者

• 山本 徹也

  広島大学大学院 工学研究科 物質化学システム専攻

• Yoshida Hideto

  Department Of Chemical Engineering Graduate School Of Engineering Hiroshima University

• Yoshida Hideto

  Hiroshima Univ. Higashi Hiroshima Jpn

• Fukui Kunihiro

  Hiroshima Univ. Higashi Hiroshima Jpn

• Fukui Kunihiro

  Department Of Applied Physics Faculty Of Science Tokyo University Of Education

• 山本 徹也

  京都大学工学研究科化学工学専攻

• Yamamoto Tetsuya

  Department Of Chemical Engineering Graduate School Of Engineering Hiroshima University

• KANAYAMA Keiji

  Department of Chemical Engineering, Graduate School of Engineering, Hiroshima University

• KATOH Manabu

  Department of Chemical Engineering, Graduate School of Engineering, Hiroshima University

• Katoh Manabu

  Department Of Chemical Engineering Graduate School Of Engineering Hiroshima University

• Kanayama Keiji

  Department Of Chemical Engineering Graduate School Of Engineering Hiroshima University

• Yamamoto Tetsuya

  Department Of Chemical Engineering

• Yamamoto Tetsuya

  Department Of Astronomy School Of Science The University Of Tokyo

• 山本 徹也

  広島大学大学院 工学研究科 化学工学専攻

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