Synthesis of K_3Ta_3B_2O_<12> photocatalytic material by aqueous solution-based process using a novel water soluble tantalum complex(<Feature>Aqueous Solution Science for Ceramic Processing II)

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概要

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• The K_3Ta_3B_2O_<12> photocatalytic material for water splitting was prepared by an aqueous solution-based process using a novel water soluble Ta-peroxolactate complex. Use of water as a processing solvent is essential to prevent formation of volatile boron compounds and to synthesize the stoichiometric single phase material by a solution technique. Photocatalytic activity of K_3Ta_3B_2O_<12> for water splitting was the highest when a stoichiometric amount of lactic acid (LA) with Ta:La=1:2 was used for preparation of the Ta-peroxo lactate complex. Additionally, activities of K_3Ta_3B_2O_<12> in the photocatalytic water splitting have been improved when NiO was used as a co-catalyst. The highest photocatalytic hydrogen and oxygen evolution rates exhibited by the materials prepared in this work were H_2: 392μmol/h and O_2: 192μmol/h.

• 社団法人日本セラミックス協会の論文
• 2009-03-01

著者

• TOMITA Koji

  Department of Physics, Kyushu University

• PETRYKIN Valery

  東北大学多元物質科学研究所

• PETRYKIN Valery

  Institute of Multidisciplinary Research for Advanced Materials, Tohoku University

• Tomita Koji

  Department Of Physics Kyushu University

• KUDO Akihiko

  Department of Anatomy, Kyorin University School of Medicine

• Petrykin Valery

  Institute Of Multidisciplinary Research For Advanced Materials Tohoku University

• Matsumoto Yuma

  Department of Chemistry, School of Science, Tokai University

• YAMATANI Norio

  Institute of Multidisciplinary Research for Advanced Materials, Tohoku University

• KAKIHANA Masato

  Institute of Multidisciplinary Research for Advanced Materials, Tohoku University

• Kakihana Masato

  Institute Of Multidisciplinary Research For Advanced Materials Tohoku University

• Kudo Akihiko

  Department Of Anatomy Kyoin University School Of Medicine

• Matsumoto Yuma

  Department Of Chemistry School Of Science Tokai University

• Yamatani Norio

  Institute Of Multidisciplinary Research For Advanced Materials Tohoku University

• Kudo Akihiko

  Department Of Applied Chemistry Tokyo University Of Science

• Kakihana Masato

  Inst. Of Multidisciplinary Res. For Advanced Materials Tohoku Univ.

• PETRYKIN Valery

  J. Heyrovsky Institute of Physical Chemistry

• Tomita Koji

  Department of Chemistry, School of Science, Tokai University

• TOMITA Koji

  Department of Chemistry School of Science, Tokai University

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