{"id":"https://openalex.org/W192176137","doi":"https://doi.org/10.1023/a:1008707804908","title":"Formation of Hierarchical Pore Structure in Silica Gel","display_name":"Formation of Hierarchical Pore Structure in Silica Gel","publication_year":2000,"publication_date":"2000-03-01","ids":{"openalex":"https://openalex.org/W192176137","doi":"https://doi.org/10.1023/a:1008707804908","mag":"192176137"},"language":"en","primary_location":{"id":"doi:10.1023/a:1008707804908","doi":"https://doi.org/10.1023/a:1008707804908","is_oa":false,"landing_page_url":"https://doi.org/10.1023/a:1008707804908","pdf_url":null,"source":{"id":"https://openalex.org/S146449914","display_name":"Journal of Sol-Gel Science and Technology","issn_l":"0928-0707","issn":["0928-0707","1573-4846"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-d","jufo-1","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Sol-Gel Science and Technology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5034790721","display_name":"Kazuki Nakanishi","orcid":"https://orcid.org/0000-0002-8069-4780","observed_orcids":["https://orcid.org/0000-0002-8069-4780"]},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kazuki Nakanishi","raw_affiliation_strings":["Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, Japan","Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, Japan","institution_ids":["https://openalex.org/I22299242"]},{"raw_affiliation_string":"Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan","institution_ids":["https://openalex.org/I22299242"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111668964","display_name":"Ry\u014dji Takahashi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Ryoji Takahashi","raw_affiliation_strings":["Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, Japan","Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, Japan","institution_ids":["https://openalex.org/I22299242"]},{"raw_affiliation_string":"Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan","institution_ids":["https://openalex.org/I22299242"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061779461","display_name":"Tomohiro Nagakane","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tomohiro Nagakane","raw_affiliation_strings":["Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, Japan","Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, Japan","institution_ids":["https://openalex.org/I22299242"]},{"raw_affiliation_string":"Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan","institution_ids":["https://openalex.org/I22299242"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091375454","display_name":"Koji Kitayama","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Koji Kitayama","raw_affiliation_strings":["Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, Japan","Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, Japan","institution_ids":["https://openalex.org/I22299242"]},{"raw_affiliation_string":"Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan","institution_ids":["https://openalex.org/I22299242"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040048674","display_name":"Norihito Koheiya","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Norihito Koheiya","raw_affiliation_strings":["Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, Japan","Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, Japan","institution_ids":["https://openalex.org/I22299242"]},{"raw_affiliation_string":"Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan","institution_ids":["https://openalex.org/I22299242"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030861565","display_name":"Hiroko Shikata","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroko Shikata","raw_affiliation_strings":["Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, Japan","Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, Japan","institution_ids":["https://openalex.org/I22299242"]},{"raw_affiliation_string":"Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan","institution_ids":["https://openalex.org/I22299242"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5015433810","display_name":"Naohiro Soga","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Naohiro Soga","raw_affiliation_strings":["Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, Japan","Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, Japan","institution_ids":["https://openalex.org/I22299242"]},{"raw_affiliation_string":"Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan","institution_ids":["https://openalex.org/I22299242"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I22299242"],"apc_list":{"value":3990,"currency":"USD","value_usd":3990},"apc_paid":null,"fwci":3.7131,"has_fulltext":false,"cited_by_count":149,"citation_normalized_percentile":{"value":0.93240845,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"17","issue":"3","first_page":"191","last_page":"210"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10735","display_name":"Mesoporous Materials and Catalysis","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10735","display_name":"Mesoporous Materials and Catalysis","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12195","display_name":"Aerogels and thermal insulation","score":0.0012000000569969416,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10908","display_name":"Analytical Chemistry and Chromatography","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/hierarchical-porous-structure","display_name":"hierarchical porous structure","score":0.972000002861023},{"id":"https://openalex.org/keywords/macroporous-silica-gel","display_name":"macroporous silica gel","score":0.9570000171661377},{"id":"https://openalex.org/keywords/mesopore-formation","display_name":"mesopore formation","score":0.9150000214576721},{"id":"https://openalex.org/keywords/phase-separation","display_name":"phase separation","score":0.7820000052452087},{"id":"https://openalex.org/keywords/sol-gel-transition","display_name":"sol-gel transition","score":0.9769999980926514},{"id":"https://openalex.org/keywords/solvent-exchange","display_name":"solvent exchange","score":0.8420000076293945},{"id":"https://openalex.org/keywords/gel-aging","display_name":"gel aging","score":0.6330000162124634},{"id":"https://openalex.org/keywords/surface-chemistry","display_name":"surface chemistry","score":0.550000011920929},{"id":"https://openalex.org/keywords/pore-size-control","display_name":"pore size control","score":0.7850000262260437},{"id":"https://openalex.org/keywords/analytical-performance","display_name":"analytical performance","score":0.5839999914169312}],"concepts":[{"id":"https://openalex.org/C82776694","wikidata":"https://www.wikidata.org/wiki/Q380049","display_name":"Mesoporous material","level":3,"score":0.8362274169921875},{"id":"https://openalex.org/C77066764","wikidata":"https://www.wikidata.org/wiki/Q178674","display_name":"Nanometre","level":2,"score":0.690140962600708},{"id":"https://openalex.org/C2780471494","wikidata":"https://www.wikidata.org/wiki/Q146505","display_name":"Solvent","level":2,"score":0.6311379671096802},{"id":"https://openalex.org/C11268172","wikidata":"https://www.wikidata.org/wiki/Q421110","display_name":"Micelle","level":3,"score":0.6293237805366516},{"id":"https://openalex.org/C42360764","wikidata":"https://www.wikidata.org/wiki/Q83588","display_name":"Chemical engineering","level":1,"score":0.5922071933746338},{"id":"https://openalex.org/C58226133","wikidata":"https://www.wikidata.org/wiki/Q1324199","display_name":"Pulmonary surfactant","level":2,"score":0.5553485751152039},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.5421692728996277},{"id":"https://openalex.org/C6648577","wikidata":"https://www.wikidata.org/wiki/Q622669","display_name":"Porosity","level":2,"score":0.5012741088867188},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.46846458315849304},{"id":"https://openalex.org/C150581940","wikidata":"https://www.wikidata.org/wiki/Q622205","display_name":"Specific surface area","level":3,"score":0.4120827913284302},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.396208256483078},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.338836669921875},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.16662201285362244},{"id":"https://openalex.org/C184651966","wikidata":"https://www.wikidata.org/wiki/Q906356","display_name":"Aqueous solution","level":2,"score":0.1527423858642578},{"id":"https://openalex.org/C161790260","wikidata":"https://www.wikidata.org/wiki/Q82264","display_name":"Catalysis","level":2,"score":0.09146037697792053},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.08011892437934875},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1023/a:1008707804908","doi":"https://doi.org/10.1023/a:1008707804908","is_oa":false,"landing_page_url":"https://doi.org/10.1023/a:1008707804908","pdf_url":null,"source":{"id":"https://openalex.org/S146449914","display_name":"Journal of Sol-Gel Science and Technology","issn_l":"0928-0707","issn":["0928-0707","1573-4846"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-d","jufo-1","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Sol-Gel Science and Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":39,"referenced_works":["https://openalex.org/W15494983","https://openalex.org/W68303247","https://openalex.org/W240891730","https://openalex.org/W646751307","https://openalex.org/W1586330458","https://openalex.org/W1969551082","https://openalex.org/W1969668176","https://openalex.org/W1970979949","https://openalex.org/W1971372493","https://openalex.org/W1974541812","https://openalex.org/W1982489904","https://openalex.org/W1985968805","https://openalex.org/W1990098501","https://openalex.org/W1990255713","https://openalex.org/W1997155696","https://openalex.org/W2000429316","https://openalex.org/W2000551342","https://openalex.org/W2009232111","https://openalex.org/W2013798200","https://openalex.org/W2020796727","https://openalex.org/W2028335230","https://openalex.org/W2035044547","https://openalex.org/W2051080290","https://openalex.org/W2052497381","https://openalex.org/W2054105009","https://openalex.org/W2057662494","https://openalex.org/W2058366525","https://openalex.org/W2058412985","https://openalex.org/W2058420615","https://openalex.org/W2060518285","https://openalex.org/W2065578401","https://openalex.org/W2070457128","https://openalex.org/W2074724856","https://openalex.org/W2091226635","https://openalex.org/W2109610204","https://openalex.org/W3216361837","https://openalex.org/W4247951076","https://openalex.org/W6600658774","https://openalex.org/W6776912718"],"related_works":["https://openalex.org/W15494983","https://openalex.org/W2023833046","https://openalex.org/W1996595969","https://openalex.org/W2332072847","https://openalex.org/W2065578401","https://openalex.org/W2565083834","https://openalex.org/W1989395518","https://openalex.org/W2141475811","https://openalex.org/W1503407933","https://openalex.org/W2148133777"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":2},{"year":2018,"cited_by_count":6},{"year":2017,"cited_by_count":11},{"year":2016,"cited_by_count":8},{"year":2015,"cited_by_count":7},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":8}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}