{"created":"2025-02-21T03:50:26.271616+00:00","id":2007386,"links":{},"metadata":{"_buckets":{"deposit":"8abe22db-abd2-4eb4-a652-d1fc5ffa8252"},"_deposit":{"created_by":41,"id":"2007386","owners":[41],"pid":{"revision_id":0,"type":"depid","value":"2007386"},"status":"published"},"_oai":{"id":"oai:hiroshima.repo.nii.ac.jp:02007386","sets":["1730444907710"]},"author_link":[],"item_1617186331708":{"attribute_name":"Title","attribute_value_mlt":[{"subitem_title":"Development of an acetylacetonate-modified silica-zirconia composite membrane applicable to gas separation","subitem_title_language":"en"}]},"item_1617186419668":{"attribute_name":"Creator","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Lawal, Sulaiman","creatorNameLang":"en"}],"familyNames":[{"familyName":"Lawal","familyNameLang":"en"}],"givenNames":[{"givenName":"Sulaiman","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Kanezashi, Masakoto","creatorNameLang":"en"}],"familyNames":[{"familyName":"Kanezashi","familyNameLang":"en"}],"givenNames":[{"givenName":"Masakoto","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Nagasawa, Hiroki","creatorNameLang":"en"}],"familyNames":[{"familyName":"Nagasawa","familyNameLang":"en"}],"givenNames":[{"givenName":"Hiroki","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Tsuru, Toshinori","creatorNameLang":"en"}],"familyNames":[{"familyName":"Tsuru","familyNameLang":"en"}],"givenNames":[{"givenName":"Toshinori","givenNameLang":"en"}]}]},"item_1617186476635":{"attribute_name":"Access Rights","attribute_value_mlt":[{"subitem_access_right":"open access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_abf2"}]},"item_1617186499011":{"attribute_name":"Rights","attribute_value_mlt":[{"subitem_rights":"© 2020. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/"},{"subitem_rights":"This is not the published version. Please cite only the published version. この論文は出版社版ではありません。引用の際には出版社版をご確認、ご利用ください。"}]},"item_1617186609386":{"attribute_name":"Subject","attribute_value_mlt":[{"subitem_subject":"Silica-zirconia","subitem_subject_scheme":"Other"},{"subitem_subject":"Acetylacetone","subitem_subject_scheme":"Other"},{"subitem_subject":"Chelating ligand","subitem_subject_scheme":"Other"},{"subitem_subject":"Chemical modification","subitem_subject_scheme":"Other"},{"subitem_subject":"Gas separation","subitem_subject_scheme":"Other"}]},"item_1617186626617":{"attribute_name":"Description","attribute_value_mlt":[{"subitem_description":"In this work, an acetylacetonate-modified equimolar SiO2–ZrO2 composite-derived membrane with molecular sieving properties was successfully fabricated. The sol-gel method was successfully employed to chemically modify zirconium tetrabutoxide prior to co-hydrolysis and -condensation with tetraethoxysilane, the resulting sol then used to fabricate a gas separation layer. An acetylacetonate-modified SiO2–ZrO2-derived membrane prepared at 300 °C showed H2 permeance of 9.9 × 10 −7 mol m−2 s−1 Pa−1 with a H2/SF6 permeance ratio of 7,600, which was a significant improvement over pure SiO2–ZrO2-derived membranes (H2 permeance: 1.4 × 10 −6 mol m−2 s−1 Pa−1, H2/SF6 permeance ratio: 11). Heat-treatment of an acac−-modified SiO2–ZrO2-derived membrane prepared at temperatures that ranged from 250 °C (H2 permeance: 4.5 × 10−8 mol m−2 s−1 Pa−1, H2/CH4: 100, CO2/CH4: 60, H2/SF6: >18,000 at 50 °C) to 550 °C resulted in an improved H2 permeance of 3.4 × 10−6 mol m−2 s−1 Pa−1 with reduced permeance ratios (H2/CH4: 3, H2/SF6: 9) at 50 °C. A membrane prepared by heat-treating a 250 °C-fired membrane at 300 °C showed the best trade-off with H2 permeance-H2/SF6 permeance ratios above the trade-off line compared with membranes prepared at other temperatures.","subitem_description_language":"en"}]},"item_1617186643794":{"attribute_name":"Publisher","attribute_value_mlt":[{"subitem_publisher":"Elsevier"}]},"item_1617186702042":{"attribute_name":"Language","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_1617186920753":{"attribute_name":"Source Identifier","attribute_value_mlt":[{"subitem_source_identifier":"0376-7388","subitem_source_identifier_type":"ISSN"}]},"item_1617187024783":{"attribute_name":"Page Start","attribute_value_mlt":[{"subitem_start_page":"117844"}]},"item_1617187056579":{"attribute_name":"Bibliographic Information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2020-04-01","bibliographicIssueDateType":"Issued"},"bibliographicPageStart":"117844","bibliographicVolumeNumber":"599","bibliographic_titles":[{"bibliographic_title":"Journal of Membrane Science"},{"bibliographic_title":"Journal of Membrane Science"}]}]},"item_1617258105262":{"attribute_name":"Resource Type","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_1617265215918":{"attribute_name":"Version Type","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_b1a7d7d4d402bcce","subitem_version_type":"AO"}]},"item_1617353299429":{"attribute_name":"Relation","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"10.1016/j.memsci.2020.117844","subitem_relation_type_select":"DOI"}},{"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://doi.org/10.1016/j.memsci.2020.117844","subitem_relation_type_select":"DOI"}}]},"item_1617605131499":{"attribute_name":"File","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2022-04-01"}],"displaytype":"simple","fileDate":[{"fileDateType":"Available","fileDateValue":"2022-04-01"}],"filename":"JourMembSci_599_117844.pdf","filesize":[{"value":"1.1 MB"}],"mimetype":"application/pdf","url":{"objectType":"fulltext","url":"https://hiroshima.repo.nii.ac.jp/record/2007386/files/JourMembSci_599_117844.pdf"},"version_id":"2ed78ff8-190c-4c49-8e47-049c3a8f3333"}]},"item_1732771732025":{"attribute_name":"旧ID","attribute_value":"50509"},"item_1732772494514":{"attribute_name":"備考","attribute_value":"The full-text file will be made open to the public on 1 April 2022 in accordance with publisher's 'Terms and Conditions for Self-Archiving'"},"item_title":"Development of an acetylacetonate-modified silica-zirconia composite membrane applicable to gas separation","item_type_id":"40003","owner":"41","path":["1730444907710"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2023-03-18"},"publish_date":"2023-03-18","publish_status":"0","recid":"2007386","relation_version_is_last":true,"title":["Development of an acetylacetonate-modified silica-zirconia composite membrane applicable to gas separation"],"weko_creator_id":"41","weko_shared_id":-1},"updated":"2025-02-21T09:49:54.990949+00:00"}