Synthesis and Water Splitting Activity of NaTaO3 Photocatalyst by Hydrothermal Method and Solvothermal Method
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- Matsumoto Yuma
- School of Earth and Environmental Sciences, Tokai University
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- Tomita Koji
- School of Science, Tokai University
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- Sekine Yoshika
- School of Earth and Environmental Sciences, Tokai University School of Science, Tokai University
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- Kakihana Masato
- Institute of Multidisciplinary Reserch for Advanced Materials Tohoku University
Bibliographic Information
- Other Title
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- 水熱法及びソルボサーマル法によるNaTaO3光触媒の合成と水分解活性
- スイネツホウ オヨビ ソルボサーマルホウ ニ ヨル NaTaO3 ヒカリ ショクバイ ノ ゴウセイ ト ミズブンカイ カッセイ
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Abstract
We prepared NaTaO3 by hydrothermal method and solvothermal method. Na2Ta2O6 was obtained by hydrothermal treatment of water soluble tantalum complex and NaOH. On the other hand NaTaO3 was obtained by solvothermal treatment of TaCl5 and NaOH in methanol. Many samples were synthesized in various hydrothermal condition, however all samples were Na2Ta2O6 or amorphous. Primary particle size of samples obtained by solvothermal method was 10 nm. Primary particles aggregated and formed 20-50 nm secondly particles. Moreover, specific surface area of NaTaO3 synthesized by the solvothermal method was 109 m2/g. Therefore we succeeded in obtaining NaTaO3 fine particles with high specific surface area. NaTaO3 sample loaded NiO of 6 wt% produced H2 of 600 μmol/h. When solvothermal treatment time was extended from 5 hours to 10 hours and stirring in solvothermal treatment, water splitting activity of NaTaO3 was improved.
Journal
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- Journal of the Japan Society of Powder and Powder Metallurgy
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Journal of the Japan Society of Powder and Powder Metallurgy 58 (10), 578-583, 2011
Japan Society of Powder and Powder Metallurgy
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Details 詳細情報について
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- CRID
- 1390001206310523008
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- NII Article ID
- 10029902544
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- NII Book ID
- AN00222724
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- COI
- 1:CAS:528:DC%2BC3MXhsVOku7fI
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- ISSN
- 18809014
- 05328799
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- NDL BIB ID
- 11293584
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed