{"id":"https://openalex.org/W3119016336","doi":"https://doi.org/10.3390/s21020387","title":"Fast-Response Colorimetric UVC Sensor Made of a Ga2O3 Photocatalyst with a Hole Scavenger","display_name":"Fast-Response Colorimetric UVC Sensor Made of a Ga2O3 Photocatalyst with a Hole Scavenger","publication_year":2021,"publication_date":"2021-01-08","ids":{"openalex":"https://openalex.org/W3119016336","doi":"https://doi.org/10.3390/s21020387","mag":"3119016336","pmid":"https://pubmed.ncbi.nlm.nih.gov/33429874"},"language":"en","primary_location":{"id":"doi:10.3390/s21020387","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21020387","pdf_url":"https://www.mdpi.com/1424-8220/21/2/387/pdf?version=1610086125","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/21/2/387/pdf?version=1610086125","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5072803471","display_name":"Heejoong Ryou","orcid":null},"institutions":[{"id":"https://openalex.org/I24456540","display_name":"Korea Aerospace University","ror":"https://ror.org/05jmm0651","country_code":"KR","type":"education","lineage":["https://openalex.org/I24456540"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Heejoong Ryou","raw_affiliation_strings":["Department of Materials Engineering, Korea Aerospace University, Goyang 10540, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Materials Engineering, Korea Aerospace University, Goyang 10540, Korea","institution_ids":["https://openalex.org/I24456540"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029932776","display_name":"Sunjae Kim","orcid":"https://orcid.org/0000-0003-1821-2186"},"institutions":[{"id":"https://openalex.org/I24456540","display_name":"Korea Aerospace University","ror":"https://ror.org/05jmm0651","country_code":"KR","type":"education","lineage":["https://openalex.org/I24456540"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Sunjae Kim","raw_affiliation_strings":["Department of Materials Engineering, Korea Aerospace University, Goyang 10540, Korea","Smart Drone Convergence, Korea Aerospace University, Goyang 10540, Korea"],"raw_orcid":"https://orcid.org/0000-0003-1821-2186","affiliations":[{"raw_affiliation_string":"Department of Materials Engineering, Korea Aerospace University, Goyang 10540, Korea","institution_ids":["https://openalex.org/I24456540"]},{"raw_affiliation_string":"Smart Drone Convergence, Korea Aerospace University, Goyang 10540, Korea","institution_ids":["https://openalex.org/I24456540"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037529665","display_name":"Myunghun Shin","orcid":"https://orcid.org/0000-0003-3790-4022"},"institutions":[{"id":"https://openalex.org/I24456540","display_name":"Korea Aerospace University","ror":"https://ror.org/05jmm0651","country_code":"KR","type":"education","lineage":["https://openalex.org/I24456540"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Myunghun Shin","raw_affiliation_strings":["School of Electronics and Information Engineering, Korea Aerospace University, Goyang 10540, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering, Korea Aerospace University, Goyang 10540, Korea","institution_ids":["https://openalex.org/I24456540"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030026591","display_name":"Junsang Cho","orcid":"https://orcid.org/0000-0003-4211-4113"},"institutions":[{"id":"https://openalex.org/I65832422","display_name":"Duksung Women's University","ror":"https://ror.org/01h6frr69","country_code":"KR","type":"education","lineage":["https://openalex.org/I65832422"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Junsang Cho","raw_affiliation_strings":["Department of Chemistry, Duksung Women\u2019s University, Seoul 01369, Korea","Department of Chemistry, Duksung Women's University, Seoul 01369, Korea"],"raw_orcid":"https://orcid.org/0000-0003-4211-4113","affiliations":[{"raw_affiliation_string":"Department of Chemistry, Duksung Women\u2019s University, Seoul 01369, Korea","institution_ids":["https://openalex.org/I65832422"]},{"raw_affiliation_string":"Department of Chemistry, Duksung Women's University, Seoul 01369, Korea","institution_ids":["https://openalex.org/I65832422"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016542607","display_name":"Wan Sik Hwang","orcid":"https://orcid.org/0000-0002-0060-9348"},"institutions":[{"id":"https://openalex.org/I24456540","display_name":"Korea Aerospace University","ror":"https://ror.org/05jmm0651","country_code":"KR","type":"education","lineage":["https://openalex.org/I24456540"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Wan Sik Hwang","raw_affiliation_strings":["Department of Materials Engineering, Korea Aerospace University, Goyang 10540, Korea","Smart Drone Convergence, Korea Aerospace University, Goyang 10540, Korea"],"raw_orcid":"https://orcid.org/0000-0002-0060-9348","affiliations":[{"raw_affiliation_string":"Department of Materials Engineering, Korea Aerospace University, Goyang 10540, Korea","institution_ids":["https://openalex.org/I24456540"]},{"raw_affiliation_string":"Smart Drone Convergence, Korea Aerospace University, Goyang 10540, Korea","institution_ids":["https://openalex.org/I24456540"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5016542607","https://openalex.org/A5030026591"],"corresponding_institution_ids":["https://openalex.org/I24456540","https://openalex.org/I65832422"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":0.3946,"has_fulltext":true,"cited_by_count":9,"citation_normalized_percentile":{"value":0.48809131,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"21","issue":"2","first_page":"387","last_page":"387"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12529","display_name":"Ga2O3 and related materials","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"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/T12529","display_name":"Ga2O3 and related materials","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"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/T10461","display_name":"Gas Sensing Nanomaterials and Sensors","score":0.9986000061035156,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10782","display_name":"Nanoplatforms for cancer theranostics","score":0.9944000244140625,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/triethanolamine","display_name":"Triethanolamine","score":0.7692283987998962},{"id":"https://openalex.org/keywords/absorbance","display_name":"Absorbance","score":0.6330627202987671},{"id":"https://openalex.org/keywords/photodetector","display_name":"Photodetector","score":0.6059577465057373},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.5686004161834717},{"id":"https://openalex.org/keywords/photocatalysis","display_name":"Photocatalysis","score":0.5228895545005798},{"id":"https://openalex.org/keywords/ultraviolet","display_name":"Ultraviolet","score":0.4962044358253479},{"id":"https://openalex.org/keywords/photochemistry","display_name":"Photochemistry","score":0.4744057357311249},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.44986793398857117},{"id":"https://openalex.org/keywords/analytical-chemistry","display_name":"Analytical Chemistry (journal)","score":0.3340936303138733},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.3215515613555908},{"id":"https://openalex.org/keywords/catalysis","display_name":"Catalysis","score":0.1356622278690338},{"id":"https://openalex.org/keywords/chromatography","display_name":"Chromatography","score":0.11826485395431519},{"id":"https://openalex.org/keywords/organic-chemistry","display_name":"Organic chemistry","score":0.0712938904762268}],"concepts":[{"id":"https://openalex.org/C2775897365","wikidata":"https://www.wikidata.org/wiki/Q424314","display_name":"Triethanolamine","level":3,"score":0.7692283987998962},{"id":"https://openalex.org/C98015330","wikidata":"https://www.wikidata.org/wiki/Q907315","display_name":"Absorbance","level":2,"score":0.6330627202987671},{"id":"https://openalex.org/C23125352","wikidata":"https://www.wikidata.org/wiki/Q210765","display_name":"Photodetector","level":2,"score":0.6059577465057373},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.5686004161834717},{"id":"https://openalex.org/C65165184","wikidata":"https://www.wikidata.org/wiki/Q218831","display_name":"Photocatalysis","level":3,"score":0.5228895545005798},{"id":"https://openalex.org/C2776798109","wikidata":"https://www.wikidata.org/wiki/Q11391","display_name":"Ultraviolet","level":2,"score":0.4962044358253479},{"id":"https://openalex.org/C75473681","wikidata":"https://www.wikidata.org/wiki/Q188651","display_name":"Photochemistry","level":1,"score":0.4744057357311249},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.44986793398857117},{"id":"https://openalex.org/C113196181","wikidata":"https://www.wikidata.org/wiki/Q485223","display_name":"Analytical Chemistry (journal)","level":2,"score":0.3340936303138733},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.3215515613555908},{"id":"https://openalex.org/C161790260","wikidata":"https://www.wikidata.org/wiki/Q82264","display_name":"Catalysis","level":2,"score":0.1356622278690338},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.11826485395431519},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0712938904762268}],"mesh":[],"locations_count":6,"locations":[{"id":"doi:10.3390/s21020387","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21020387","pdf_url":"https://www.mdpi.com/1424-8220/21/2/387/pdf?version=1610086125","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},{"id":"pmid:33429874","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/33429874","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:doaj.org/article:df7a91048fdc493cb081e95e952e0b76","is_oa":true,"landing_page_url":"https://doaj.org/article/df7a91048fdc493cb081e95e952e0b76","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 21, Iss 2, p 387 (2021)","raw_type":"article"},{"id":"pmh:oai:europepmc.org:6733633","is_oa":true,"landing_page_url":"http://europepmc.org/pmc/articles/PMC7827601","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text"},{"id":"pmh:oai:mdpi.com:/1424-8220/21/2/387/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s21020387","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors; Volume 21; Issue 2; Pages: 387","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:7827601","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/7827601","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors (Basel)","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s21020387","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21020387","pdf_url":"https://www.mdpi.com/1424-8220/21/2/387/pdf?version=1610086125","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G8347053251","display_name":null,"funder_award_id":"5199990714521","funder_id":"https://openalex.org/F4320322120","funder_display_name":"National Research Foundation of Korea"}],"funders":[{"id":"https://openalex.org/F4320320671","display_name":"National Research Foundation","ror":"https://ror.org/05s0g1g46"},{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3119016336.pdf","grobid_xml":"https://content.openalex.org/works/W3119016336.grobid-xml"},"referenced_works_count":20,"referenced_works":["https://openalex.org/W1970002386","https://openalex.org/W1979333811","https://openalex.org/W2001457443","https://openalex.org/W2010083830","https://openalex.org/W2033701791","https://openalex.org/W2081015978","https://openalex.org/W2153448038","https://openalex.org/W2345128595","https://openalex.org/W2430007409","https://openalex.org/W2749787850","https://openalex.org/W2890465802","https://openalex.org/W2916289580","https://openalex.org/W2919604589","https://openalex.org/W2964993476","https://openalex.org/W2975163792","https://openalex.org/W2999211953","https://openalex.org/W3005704737","https://openalex.org/W3005895103","https://openalex.org/W3025446608","https://openalex.org/W3124010069"],"related_works":["https://openalex.org/W3101273433","https://openalex.org/W3092390055","https://openalex.org/W2018753630","https://openalex.org/W2332726941","https://openalex.org/W2028943127","https://openalex.org/W2250870481","https://openalex.org/W1993689526","https://openalex.org/W2026808500","https://openalex.org/W2068665704","https://openalex.org/W2290381580"],"abstract_inverted_index":{"A":[0],"fast-response":[1],"colorimetric":[2,138],"ultraviolet-C":[3],"(UVC)":[4],"sensor":[5,140],"was":[6,41,53,69],"demonstrated":[7],"using":[8,43,77],"a":[9,26,78,91,151],"gallium":[10],"oxide":[11],"(Ga2O3)":[12],"photocatalyst":[13],"with":[14,61,72,147],"small":[15],"amounts":[16],"of":[17,32,65,83,123],"triethanolamine":[18],"(TEOA)":[19],"in":[20,45,85,96],"methylene":[21],"blue":[22],"(MB)":[23],"solutions":[24],"and":[25,133],"conventional":[27],"RGB":[28,47],"photodetector.":[29,48],"The":[30,136],"color":[31,99],"the":[33,50,62,66,73,86,103,116,121,126,130,143],"MB":[34,58,87,98,131],"solution":[35,88],"changed":[36],"upon":[37],"UVC":[38,51,139,145],"exposure,":[39],"which":[40,68,94],"observed":[42],"an":[44,57],"situ":[46],"Thereby,":[49],"exposure":[52],"numerically":[54],"quantified":[55],"as":[56,90],"reduction":[59],"rate":[60],"R":[63],"value":[64],"photodetector,":[67],"linearly":[70],"correlated":[71],"measured":[74],"spectral":[75],"absorbance":[76],"UV-Vis":[79],"spectrophotometer.":[80],"Small":[81],"amount":[82],"TEOA":[84,109],"served":[89],"hole":[92],"scavenger,":[93],"resulted":[95],"fast":[97],"changes":[100],"due":[101],"to":[102,114],"enhanced":[104],"charge":[105],"separation.":[106],"However,":[107],"excessive":[108],"over":[110],"5":[111],"wt.%":[112],"started":[113],"block":[115],"catalytical":[117],"active":[118],"site":[119],"on":[120],"surface":[122],"Ga2O3,":[124],"prohibiting":[125],"chemical":[127],"reaction":[128],"between":[129],"molecules":[132],"catalytic":[134],"sites.":[135],"proposed":[137],"could":[141],"monitor":[142],"detrimental":[144],"radiation":[146],"high":[148],"responsivity":[149],"at":[150],"low":[152],"cost.":[153]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":1}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}