{"_buckets": {"deposit": "60ca3a1f-de76-46a6-82d9-5ca2ea5c64aa"}, "_deposit": {"id": "14", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "14"}, "status": "published"}, "_oai": {"id": "oai:repository.dl.itc.u-tokyo.ac.jp:00000014"}, "item_2_biblio_info_7": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2001-09-21", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "3-4", "bibliographicPageEnd": "316", "bibliographicPageStart": "307", "bibliographicVolumeNumber": "181", "bibliographic_titles": [{"bibliographic_title": "Applied surface science : a journal devoted to the properties of interfaces in relation to the synthesis and behaviour of materials"}]}]}, "item_2_description_13": {"attribute_name": "\u30d5\u30a9\u30fc\u30de\u30c3\u30c8", "attribute_value_mlt": [{"subitem_description": "application/pdf", "subitem_description_type": "Other"}]}, "item_2_description_5": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "Self-assembled 3-mercaptopropyltrimethoxysilane (MPTMS, (CH3O)3SiCH2CH2CH2 SH) layers on hydroxyl-terminated silicon oxide (SiO2) were prepared at MPTMS concentrations ranging from 5 \u00d7 10-3 to 4 \u00d7 10-2M. The surface structure and morphology of MPTMS layers were characterized by X-ray photoelectron spectroscopy (XPS), contact angle measurements, scanning electron microscopy (SEM), and atomic force microscopy (AFM). We found that the MPTMS layers on SiO2 consisted of dispersed domains 20-200nm in diameter, instead of continuous, flat monolayers. With increasing MPTMS concentration, the domain shape changed from flat to steep. Flat domains were composed of well-ordered monolayers with thiol headgroups uniformly distributed on the uppermost surface, whereas steep domains were composed of disordered polymers with randomly distributed thiol headgroups on the uppermost surface. These results indicate that MPTMS molecules show good self-assembly at an MPTMS concentration of 5 \u00d7 10-3M, but not above this concentration. The effect of MPTMS concentration on the structure and morphology of MPTMS layers might be due to the competition between self-polymerization and surface dehydration reactions, which depends on the trace quantity of water in the solvent and on the SiO2 surface. Our research further indicates that MPTMS and water concentrations are the controlling parameters for preparing well-ordered, self-assembled MPTMS monolayers on SiO2.", "subitem_description_type": "Abstract"}]}, "item_2_full_name_3": {"attribute_name": "\u8457\u8005\u5225\u540d", "attribute_value_mlt": [{"nameIdentifiers": [{"nameIdentifier": "61", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "\u91ce\u7530, \u512a"}]}, {"nameIdentifiers": [{"nameIdentifier": "62", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "\u5927\u4e45\u4fdd, \u9054\u4e5f"}]}, {"nameIdentifiers": [{"nameIdentifier": "63", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "\u5c71\u53e3, \u7531\u5c90\u592b"}]}, {"nameIdentifiers": [{"nameIdentifier": "64", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "\u5c0f\u5bae\u5c71, \u5b8f"}]}]}, "item_2_publisher_20": {"attribute_name": "\u51fa\u7248\u8005", "attribute_value_mlt": [{"subitem_publisher": "Elsevier"}]}, "item_2_source_id_10": 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"nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Okubo, Tatsuya"}], "nameIdentifiers": [{"nameIdentifier": "58", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Yamaguchi, Yukio"}], "nameIdentifiers": [{"nameIdentifier": "59", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Komiyama, Hiroshi"}], "nameIdentifiers": [{"nameIdentifier": "60", "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": "2017-05-30"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "2001ASS_hu.pdf", "filesize": [{"value": "496.8 kB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_free", "mimetype": "application/pdf", "size": 496800.0, "url": {"label": "2001ASS_hu.pdf", "url": "https://repository.dl.itc.u-tokyo.ac.jp/record/14/files/2001ASS_hu.pdf"}, "version_id": "c88804c0-e01e-4dd3-b2a5-21544a57ed26"}]}, "item_keyword": {"attribute_name": "\u30ad\u30fc\u30ef\u30fc\u30c9", "attribute_value_mlt": [{"subitem_subject": "Silica", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Silicon oxide", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Self assembly", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Morphology", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Surface treatment", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Silanes", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Monolayers", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Dehydration", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Polymerization", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Concentration", "subitem_subject_scheme": "Other"}, {"subitem_subject": "X ray photoelectron spectroscopy", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Scanning electron microscopy", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Atomic force microscopy", "subitem_subject_scheme": "Other"}]}, "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": "Structure and morphology of self-assembled 3-mercaptopropyltrimethoxysilane layers on silicon oxide", "item_titles": {"attribute_name": "\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_title": "Structure and morphology of self-assembled 3-mercaptopropyltrimethoxysilane layers on silicon oxide"}]}, "item_type_id": "2", "owner": "1", "path": ["9/10/11", "6/7/8"], "permalink_uri": "http://hdl.handle.net/2261/22", "pubdate": {"attribute_name": "\u516c\u958b\u65e5", "attribute_value": "2006-02-06"}, "publish_date": "2006-02-06", "publish_status": "0", "recid": "14", "relation": {}, "relation_version_is_last": true, "title": ["Structure and morphology of self-assembled 3-mercaptopropyltrimethoxysilane layers on silicon oxide"], "weko_shared_id": 2}