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The effect of the reductive pyrolysis temperature on the structure of the metal particles and its relationship to the electrocatalytic activity toward methanol and preadsorbed carbon monoxide (COad) oxidation was examined. The decomposition temperature of the Pt50Ru50 mixed precursor shifted to a temperature lower than that of the Ru single-source precursor. High-resolution scanning electron microscopy, X-ray diffraction, and COad stripping voltammetry of Pt/C and Ru/C indicated that Ru nanoparticles tend to grow drastically when the pyrolysis temperature is increased, whereas Pt nanoparticles are more resistant to particle growth. Scanning transmission electron microscopy coupled with energy-dispersive X-ray spectroscopy analysis showed that there is a slight compositional variation between individual nanoparticles, depending on the particle size. The Pt50Ru50/C catalyst prepared at 200 degreesC exhibited the maximum electrocatalytic activity toward methanol oxidation per mass of PtRu, which is discussed based on the appropriate balance of precursor decomposition and particle growth. (C) 2004 Elsevier Inc. All rights reserved."}]}, "item_creator": {"attribute_name": "著者", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "Kawaguchi, T"}], "nameIdentifiers": [{"nameIdentifier": "41688", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Sugimoto, W"}], "nameIdentifiers": [{"nameIdentifier": "41689", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Murakami, Y"}], "nameIdentifiers": [{"nameIdentifier": "41690", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Takasu, Y"}], "nameIdentifiers": [{"nameIdentifier": "41691", "nameIdentifierScheme": "WEKO"}]}]}, "item_files": {"attribute_name": "ファイル情報", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2015-09-28"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "JCAT04-486revised.pdf", "filesize": [{"value": "2.0 MB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_note", "mimetype": "application/pdf", "size": 2000000.0, "url": {"label": "JCAT04-486revised.pdf", "url": "https://soar-ir.repo.nii.ac.jp/record/13590/files/JCAT04-486revised.pdf"}, "version_id": "f118e0df-0e81-4019-a656-c38bc538d07a"}]}, "item_language": {"attribute_name": "言語", "attribute_value_mlt": [{"subitem_language": "eng"}]}, "item_resource_type": {"attribute_name": "資源タイプ", "attribute_value_mlt": [{"resourcetype": "journal article", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_title": "Particle growth behavior of carbon-supported Pt, Ru, PtRu catalysts prepared by an impregnation reductive-pyrolysis method for direct methanol fuel cell anodes", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "Particle growth behavior of carbon-supported Pt, Ru, PtRu catalysts prepared by an impregnation reductive-pyrolysis method for direct methanol fuel cell anodes", "subitem_title_language": "en"}]}, "item_type_id": "6", "owner": "1", "path": ["1310"], "permalink_uri": "http://hdl.handle.net/10091/131", "pubdate": {"attribute_name": "PubDate", "attribute_value": "2007-03-13"}, "publish_date": "2007-03-13", "publish_status": "0", "recid": "13590", "relation": {}, "relation_version_is_last": true, "title": ["Particle growth behavior of carbon-supported Pt, Ru, PtRu catalysts prepared by an impregnation reductive-pyrolysis method for direct methanol fuel cell anodes"], "weko_shared_id": -1}
Particle growth behavior of carbon-supported Pt, Ru, PtRu catalysts prepared by an impregnation reductive-pyrolysis method for direct methanol fuel cell anodes
http://hdl.handle.net/10091/131
http://hdl.handle.net/10091/1315fe6954f-749c-4b01-b833-976fefe0c567
名前 / ファイル | ライセンス | アクション |
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JCAT04-486revised.pdf (2.0 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2007-03-13 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Particle growth behavior of carbon-supported Pt, Ru, PtRu catalysts prepared by an impregnation reductive-pyrolysis method for direct methanol fuel cell anodes | |||||
言語 | ||||||
言語 | eng | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.jcat.2004.10.020 | |||||
関連名称 | 10.1016/j.jcat.2004.10.020 | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Kawaguchi, T
× Kawaguchi, T× Sugimoto, W× Murakami, Y× Takasu, Y |
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信州大学研究者総覧へのリンク | ||||||
氏名 | Sugimoto, W | |||||
URL | http://soar-rd.shinshu-u.ac.jp/profile/ja.WaTFjekV.html | |||||
信州大学研究者総覧へのリンク | ||||||
氏名 | Murakami, Y | |||||
URL | http://soar-rd.shinshu-u.ac.jp/profile/ja.HpSCuULV.html | |||||
信州大学研究者総覧へのリンク | ||||||
氏名 | Takasu, Y | |||||
URL | http://soar-rd.shinshu-u.ac.jp/profile/ja.gpDmPUDm.html | |||||
出版者 | ||||||
出版者 | Elsevier Inc. | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Journal of Catalysis. 229(1):176-184 (2005) | |||||
書誌情報 |
Journal of catalysis 巻 229, 号 1, p. 176-184, 発行日 2005-01 |
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資源タイプ(コンテンツの種類) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0021-9517 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00694787 | |||||
他の資源との関係:URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.elsevier.com/locate/jcat | |||||
関連名称 | http://www.elsevier.com/locate/jcat | |||||
出版タイプ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
WoS | ||||||
表示名 | Web of Science | |||||
URL | http://gateway.isiknowledge.com/gateway/Gateway.cgi?&GWVersion=2&SrcAuth=ShinshuUniv&SrcApp=ShinshuUniv&DestLinkType=FullRecord&KeyUT=000226290900019&DestApp=WOS |