{"created":"2025-04-24T23:24:20.020136+00:00","id":2013234,"links":{},"metadata":{"_buckets":{"deposit":"19247bb9-037b-4a07-be99-e4ed8c0fd440"},"_deposit":{"created_by":8,"id":"2013234","owners":[8],"pid":{"revision_id":0,"type":"depid","value":"2013234"},"status":"published"},"_oai":{"id":"oai:tokushima-u.repo.nii.ac.jp:02013234","sets":["1713853213384:1713853295607"]},"author_link":["75","130","1235","275","763"],"control_number":"2013234","item_10001_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2025-04-22","bibliographicIssueDateType":"Issued"},"bibliographicPageStart":"163328","bibliographicVolumeNumber":"702","bibliographic_titles":[{"bibliographic_title":"Applied Surface Science","bibliographic_titleLang":"en"}]}]},"item_10001_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"We synthesized TiO2/Au/TiO2/Au (IMIM) stacked nanostructure composed of TiO2 thin films (TFs) and Au nanoparticles (NPs). The TFs of TiO2 were deposited by sputtering Ti targets in Ar/O2 gas, followed by annealing to induce the anatase phase. The Au NPs were deposited by sputtering an Au target in Ar gas and then annealed to form the NPs. The nanostructures made of TiO2/Au/TiO2 (MIM) and TiO2/Au (IM) were synthesized for the purpose of comparison. The photocatalytic activity was evaluated by measuring organic decomposition and bacterial inactivation under ultraviolet and visible light irradiation, with the visible light wavelength matching the localized surface plasmon resonance (LSPR) of Au NPs. The photocatalytic performance of IMIM was more enhanced than TiO2 TF as the visible light intensity increased. The IMIM also outperformed the MIM and IM nanostructures. The improved photocatalytic activity would be attributed to the hot electron transfer from Au NPs to TiO2, originating from the visible-light-driven LSPR at the TiO2/Au interface at the top of IMIM. Additionally, the increased visible light absorption attributed to more oxygen vacancies in the top TiO2 layer due to Au NPs and a rougher surface due to the top TiO2 layer would enhance the photocatalytic activity.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_10001_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"Elsevier","subitem_publisher_language":"en"}]},"item_10001_rights_15":{"attribute_name":"権利情報","attribute_value_mlt":[{"subitem_rights":"© 2025. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/","subitem_rights_language":"en"}]},"item_10001_source_id_9":{"attribute_name":"収録物ID","attribute_value_mlt":[{"subitem_source_identifier":"18735584","subitem_source_identifier_type":"EISSN"},{"subitem_source_identifier":"01694332","subitem_source_identifier_type":"PISSN"},{"subitem_source_identifier":"AA1152169X","subitem_source_identifier_type":"NCID"}]},"item_10001_version_type_20":{"attribute_name":"出版タイプ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_ab4af688f83e57aa","subitem_version_type":"AM"}]},"item_1715043197608":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"embargoed 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annealing","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Local surface plasmon resonance","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Photocatalytic activity","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"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":"Enhanced photocatalytic activity of TiO2/Au/TiO2/Au stacked nanostructures synthesized via sputtering and subsequent annealing","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Enhanced photocatalytic activity of TiO2/Au/TiO2/Au stacked nanostructures synthesized via sputtering and subsequent 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