{"_buckets": {"deposit": "d3d073dd-cdc3-4992-afdd-1fd35812f1c3"}, "_deposit": {"id": "12330", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "12330"}, "status": "published"}, "_oai": {"id": "oai:soar-ir.repo.nii.ac.jp:00012330", "sets": ["1221:1222"]}, "author_link": ["37471", "37472", "37473", "37474"], "item_1628147817048": {"attribute_name": "\u51fa\u7248\u30bf\u30a4\u30d7", "attribute_value_mlt": [{"subitem_version_resource": "http://purl.org/coar/version/c_ab4af688f83e57aa", "subitem_version_type": "AM"}]}, "item_6_biblio_info_6": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2014-01", "bibliographicIssueDateType": "Issued"}, "bibliographicPageEnd": "566", "bibliographicPageStart": "560", "bibliographicVolumeNumber": "66", "bibliographic_titles": [{"bibliographic_title": "CARBON"}]}]}, "item_6_description_20": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "Acidic functional groups produced on the surface of acid-treated multi-walled carbon nanotubes (MWCNTs) were quantified by fluorescence measurements using 1-aminopyrene (1-AP) as an in situ probe molecule. The 1-AP cation-like bands were observed on the HNO3/H2SO4 mixture-treated MWCNT surfaces because the 1-AP molecule was tightly immobilized by the hydrogen bonding interaction between its amino group and the Bronsted-acidic groups on the MWCNT surface. The fluorescence measurement, allowed us to confirm the Langmuir-type adsorption of 1-AP on the functional groups of the MWCNTs, and estimate their amount of the functional groups and adsorption equilibrium constant. A longer acid treatment caused the chemical modification to generate higher amounts of the Bronsted-acidic functional groups and improve the adsorption ability on the MWCNT surface. About 2% of carbon in the MWCNTs was oxidized by the 24 h acid treatment. 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The 1-AP cation-like bands were observed on the HNO3/H2SO4 mixture-treated MWCNT surfaces because the 1-AP molecule was tightly immobilized by the hydrogen bonding interaction between its amino group and the Bronsted-acidic groups on the MWCNT surface. The fluorescence measurement, allowed us to confirm the Langmuir-type adsorption of 1-AP on the functional groups of the MWCNTs, and estimate their amount of the functional groups and adsorption equilibrium constant. A longer acid treatment caused the chemical modification to generate higher amounts of the Bronsted-acidic functional groups and improve the adsorption ability on the MWCNT surface. About 2% of carbon in the MWCNTs was oxidized by the 24 h acid treatment. This value corresponded to 15-22% of carbon in the surface layer. \u00a9 2013 Elsevier Ltd. All rights reserved."}]}, "item_creator": {"attribute_name": "\u8457\u8005", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "Nishikiori,  Hiromasa"}], "nameIdentifiers": [{"nameIdentifier": "37471", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Tanigaki,  Taku"}], "nameIdentifiers": [{"nameIdentifier": "37472", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Endo,  Morinobu"}], "nameIdentifiers": [{"nameIdentifier": "37473", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Fujii,  Tsuneo"}], "nameIdentifiers": [{"nameIdentifier": "37474", "nameIdentifierScheme": "WEKO"}]}]}, "item_files": {"attribute_name": "\u30d5\u30a1\u30a4\u30eb\u60c5\u5831", "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": "Quantitative_characterization_acidic_groups_acid-treated.pdf", "filesize": [{"value": "570.9 kB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_note", "mimetype": "application/pdf", "size": 570900.0, "url": {"label": "Quantitative_characterization_acidic_groups_acid-treated.pdf", "url": "https://soar-ir.repo.nii.ac.jp/record/12330/files/Quantitative_characterization_acidic_groups_acid-treated.pdf"}, "version_id": "143a570e-14dc-4324-af73-2199dd0f84cb"}]}, "item_language": {"attribute_name": "\u8a00\u8a9e", "attribute_value_mlt": [{"subitem_language": "eng"}]}, "item_resource_type": {"attribute_name": "\u8cc7\u6e90\u30bf\u30a4\u30d7", "attribute_value_mlt": [{"resourcetype": "journal article", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_title": "Quantitative characterization of acidic groups on acid-treated multi-walled carbon nanotubes using 1-aminopyrene as a fluorescent probe", "item_titles": {"attribute_name": "\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_title": "Quantitative characterization of acidic groups on acid-treated multi-walled carbon nanotubes using 1-aminopyrene as a fluorescent probe", "subitem_title_language": "en"}]}, "item_type_id": "6", "owner": "1", "path": ["1221/1222"], "permalink_uri": "http://hdl.handle.net/10091/17700", "pubdate": {"attribute_name": "PubDate", "attribute_value": "2014-07-09"}, "publish_date": "2014-07-09", "publish_status": "0", "recid": "12330", "relation": {}, "relation_version_is_last": true, "title": ["Quantitative characterization of acidic groups on acid-treated multi-walled carbon nanotubes using 1-aminopyrene as a fluorescent probe"], "weko_shared_id": -1}