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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Enhanced CO oxidation by reversible structural variation of supported Ag nanoparticle catalyst from single to twin by CO treatment

http://hdl.handle.net/2237/0002007345
http://hdl.handle.net/2237/0002007345
a66f436b-bcfb-4040-8817-39a7fc8c6891
名前 / ファイル ライセンス アクション
Revised_Manuscript_CatalToday_220602.pdf Revised_Manuscript_CatalToday_220602.pdf (939 KB)
 Download is available from 2025/2/28.
Item type itemtype_ver1(1)
公開日 2023-09-19
タイトル
タイトル Enhanced CO oxidation by reversible structural variation of supported Ag nanoparticle catalyst from single to twin by CO treatment
言語 en
著者 Tamura, Takehiro

× Tamura, Takehiro

en Tamura, Takehiro

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Ohyama, Junya

× Ohyama, Junya

en Ohyama, Junya

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Sawabe, Kyoichi

× Sawabe, Kyoichi

en Sawabe, Kyoichi

Search repository
Satsuma, Atsushi

× Satsuma, Atsushi

en Satsuma, Atsushi

Search repository
アクセス権
アクセス権 embargoed access
アクセス権URI http://purl.org/coar/access_right/c_f1cf
権利
言語 en
権利情報 © 2023. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
内容記述
内容記述 Twinned structure of metal nanoparticles can strongly affect catalysis because of its unique atomic alignment and bond strain in metal nanoparticles. Here, the twin and single crystal structures of supported Ag nanoparticles are controlled reversibly by gas treatment. The single crystal Ag nanoparticles were formed in Ag/Al2O3 by H2 treatment, and subsequent CO gas treatment changed the Ag particle structure to twin. The change in the Ag particle structure from single to twin caused enhancement of CO oxidation activity. In addition, the catalytic activity was reversibly changed from low to high by applying H2 and CO gas treatment to Ag/Al2O3. The kinetic analysis for CO oxidation revealed that the twin Ag nanoparticles have stronger CO adsorption energy than the single crystal ones, which is responsible for the enhanced CO oxidation activity of twin Ag nanoparticles.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 Elsevier
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
関連情報
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1016/j.cattod.2022.06.029
収録物識別子
収録物識別子タイプ PISSN
収録物識別子 09205861
書誌情報 en : Catalysis Today

巻 411-412, p. 113814, 発行日 2023-03-01
ファイル公開日
日付 2025-03-01
日付タイプ Available
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