{"id":"https://openalex.org/W3107989320","doi":"https://doi.org/10.3390/s20236830","title":"SnO2/TiO2 Thin Film n-n Heterostructures of Improved Sensitivity to NO2","display_name":"SnO2/TiO2 Thin Film n-n Heterostructures of Improved Sensitivity to NO2","publication_year":2020,"publication_date":"2020-11-29","ids":{"openalex":"https://openalex.org/W3107989320","doi":"https://doi.org/10.3390/s20236830","mag":"3107989320","pmid":"https://pubmed.ncbi.nlm.nih.gov/33260393"},"language":"en","primary_location":{"id":"doi:10.3390/s20236830","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s20236830","pdf_url":"https://www.mdpi.com/1424-8220/20/23/6830/pdf?version=1606901982","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/1424-8220/20/23/6830/pdf?version=1606901982","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5032810790","display_name":"Piotr Nowak","orcid":"https://orcid.org/0000-0001-8631-5705"},"institutions":[{"id":"https://openalex.org/I686019","display_name":"AGH University of Krakow","ror":"https://ror.org/00bas1c41","country_code":"PL","type":"education","lineage":["https://openalex.org/I686019"]}],"countries":["PL"],"is_corresponding":true,"raw_author_name":"Piotr Nowak","raw_affiliation_strings":["Faculty of Computer Science, Electronics and Telecommunications, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krak\u00f3w, Poland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Computer Science, Electronics and Telecommunications, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krak\u00f3w, Poland","institution_ids":["https://openalex.org/I686019"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009517078","display_name":"Wojciech Maziarz","orcid":"https://orcid.org/0000-0002-6823-7683"},"institutions":[{"id":"https://openalex.org/I686019","display_name":"AGH University of Krakow","ror":"https://ror.org/00bas1c41","country_code":"PL","type":"education","lineage":["https://openalex.org/I686019"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Wojciech Maziarz","raw_affiliation_strings":["Faculty of Computer Science, Electronics and Telecommunications, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krak\u00f3w, Poland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Computer Science, Electronics and Telecommunications, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krak\u00f3w, Poland","institution_ids":["https://openalex.org/I686019"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021682391","display_name":"Artur Rydosz","orcid":"https://orcid.org/0000-0002-9148-1094"},"institutions":[{"id":"https://openalex.org/I686019","display_name":"AGH University of Krakow","ror":"https://ror.org/00bas1c41","country_code":"PL","type":"education","lineage":["https://openalex.org/I686019"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Artur Rydosz","raw_affiliation_strings":["Faculty of Computer Science, Electronics and Telecommunications, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krak\u00f3w, Poland"],"raw_orcid":"https://orcid.org/0000-0002-9148-1094","affiliations":[{"raw_affiliation_string":"Faculty of Computer Science, Electronics and Telecommunications, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krak\u00f3w, Poland","institution_ids":["https://openalex.org/I686019"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103762260","display_name":"Kazimierz Kowalski","orcid":"https://orcid.org/0000-0001-9400-3357"},"institutions":[{"id":"https://openalex.org/I686019","display_name":"AGH University of Krakow","ror":"https://ror.org/00bas1c41","country_code":"PL","type":"education","lineage":["https://openalex.org/I686019"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Kazimierz Kowalski","raw_affiliation_strings":["Faculty of Metals Engineering and Industrial Computer Science, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krak\u00f3w, Poland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Metals Engineering and Industrial Computer Science, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krak\u00f3w, Poland","institution_ids":["https://openalex.org/I686019"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035479414","display_name":"Magdalena Zi\u0105bka","orcid":"https://orcid.org/0000-0003-0702-7137"},"institutions":[{"id":"https://openalex.org/I686019","display_name":"AGH University of Krakow","ror":"https://ror.org/00bas1c41","country_code":"PL","type":"education","lineage":["https://openalex.org/I686019"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Magdalena Zi\u0105bka","raw_affiliation_strings":["Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krak\u00f3w, Poland"],"raw_orcid":"https://orcid.org/0000-0003-0702-7137","affiliations":[{"raw_affiliation_string":"Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krak\u00f3w, Poland","institution_ids":["https://openalex.org/I686019"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5078302967","display_name":"K. Zakrzewska","orcid":"https://orcid.org/0000-0003-3016-4527"},"institutions":[{"id":"https://openalex.org/I686019","display_name":"AGH University of Krakow","ror":"https://ror.org/00bas1c41","country_code":"PL","type":"education","lineage":["https://openalex.org/I686019"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Katarzyna Zakrzewska","raw_affiliation_strings":["Faculty of Computer Science, Electronics and Telecommunications, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krak\u00f3w, Poland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Computer Science, Electronics and Telecommunications, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krak\u00f3w, Poland","institution_ids":["https://openalex.org/I686019"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5032810790"],"corresponding_institution_ids":["https://openalex.org/I686019"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":1.3524,"has_fulltext":false,"cited_by_count":26,"citation_normalized_percentile":{"value":0.8130803,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":99},"biblio":{"volume":"20","issue":"23","first_page":"6830","last_page":"6830"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10461","display_name":"Gas Sensing Nanomaterials and Sensors","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10461","display_name":"Gas Sensing Nanomaterials and Sensors","score":1.0,"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/T11667","display_name":"Advanced Chemical Sensor Technologies","score":0.9954000115394592,"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"}},{"id":"https://openalex.org/T11472","display_name":"Analytical Chemistry and Sensors","score":0.9933000206947327,"subfield":{"id":"https://openalex.org/subfields/1502","display_name":"Bioengineering"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/x-ray-photoelectron-spectroscopy","display_name":"X-ray photoelectron spectroscopy","score":0.7271224856376648},{"id":"https://openalex.org/keywords/analytical-chemistry","display_name":"Analytical Chemistry (journal)","score":0.6908270120620728},{"id":"https://openalex.org/keywords/thin-film","display_name":"Thin film","score":0.665962815284729},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.6571494340896606},{"id":"https://openalex.org/keywords/amorphous-solid","display_name":"Amorphous solid","score":0.6472131013870239},{"id":"https://openalex.org/keywords/scanning-electron-microscope","display_name":"Scanning electron microscope","score":0.6070038080215454},{"id":"https://openalex.org/keywords/heterojunction","display_name":"Heterojunction","score":0.5743252635002136},{"id":"https://openalex.org/keywords/rutile","display_name":"Rutile","score":0.48604732751846313},{"id":"https://openalex.org/keywords/sputter-deposition","display_name":"Sputter deposition","score":0.47931256890296936},{"id":"https://openalex.org/keywords/electrical-resistivity-and-conductivity","display_name":"Electrical resistivity and conductivity","score":0.4611826539039612},{"id":"https://openalex.org/keywords/sputtering","display_name":"Sputtering","score":0.33456334471702576},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.22983455657958984},{"id":"https://openalex.org/keywords/nanotechnology","display_name":"Nanotechnology","score":0.1804807186126709},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.1693846583366394},{"id":"https://openalex.org/keywords/chemical-engineering","display_name":"Chemical engineering","score":0.14995384216308594},{"id":"https://openalex.org/keywords/crystallography","display_name":"Crystallography","score":0.1364966332912445},{"id":"https://openalex.org/keywords/chromatography","display_name":"Chromatography","score":0.08895933628082275}],"concepts":[{"id":"https://openalex.org/C175708663","wikidata":"https://www.wikidata.org/wiki/Q899559","display_name":"X-ray photoelectron spectroscopy","level":2,"score":0.7271224856376648},{"id":"https://openalex.org/C113196181","wikidata":"https://www.wikidata.org/wiki/Q485223","display_name":"Analytical Chemistry (journal)","level":2,"score":0.6908270120620728},{"id":"https://openalex.org/C19067145","wikidata":"https://www.wikidata.org/wiki/Q1137203","display_name":"Thin film","level":2,"score":0.665962815284729},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.6571494340896606},{"id":"https://openalex.org/C56052488","wikidata":"https://www.wikidata.org/wiki/Q103382","display_name":"Amorphous solid","level":2,"score":0.6472131013870239},{"id":"https://openalex.org/C26771246","wikidata":"https://www.wikidata.org/wiki/Q321095","display_name":"Scanning electron microscope","level":2,"score":0.6070038080215454},{"id":"https://openalex.org/C79794668","wikidata":"https://www.wikidata.org/wiki/Q1616270","display_name":"Heterojunction","level":2,"score":0.5743252635002136},{"id":"https://openalex.org/C2777889555","wikidata":"https://www.wikidata.org/wiki/Q320603","display_name":"Rutile","level":2,"score":0.48604732751846313},{"id":"https://openalex.org/C61427134","wikidata":"https://www.wikidata.org/wiki/Q847609","display_name":"Sputter deposition","level":4,"score":0.47931256890296936},{"id":"https://openalex.org/C69990965","wikidata":"https://www.wikidata.org/wiki/Q65402698","display_name":"Electrical resistivity and conductivity","level":2,"score":0.4611826539039612},{"id":"https://openalex.org/C22423302","wikidata":"https://www.wikidata.org/wiki/Q898444","display_name":"Sputtering","level":3,"score":0.33456334471702576},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.22983455657958984},{"id":"https://openalex.org/C171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","level":1,"score":0.1804807186126709},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.1693846583366394},{"id":"https://openalex.org/C42360764","wikidata":"https://www.wikidata.org/wiki/Q83588","display_name":"Chemical engineering","level":1,"score":0.14995384216308594},{"id":"https://openalex.org/C8010536","wikidata":"https://www.wikidata.org/wiki/Q160398","display_name":"Crystallography","level":1,"score":0.1364966332912445},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.08895933628082275},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.3390/s20236830","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s20236830","pdf_url":"https://www.mdpi.com/1424-8220/20/23/6830/pdf?version=1606901982","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:33260393","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/33260393","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:96fec45c29bc47a68c5cd34fef6ed869","is_oa":true,"landing_page_url":"https://doaj.org/article/96fec45c29bc47a68c5cd34fef6ed869","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 20, Iss 23, p 6830 (2020)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1424-8220/20/23/6830/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s20236830","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 20; Issue 23; Pages: 6830","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:7731077","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/7731077","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/s20236830","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s20236830","pdf_url":"https://www.mdpi.com/1424-8220/20/23/6830/pdf?version=1606901982","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":[{"id":"https://metadata.un.org/sdg/6","display_name":"Clean water and sanitation","score":0.7900000214576721}],"awards":[{"id":"https://openalex.org/G8357332503","display_name":null,"funder_award_id":"UMO-2016/23/B/ST7/00894","funder_id":"https://openalex.org/F4320322650","funder_display_name":"Narodowym Centrum Nauki"}],"funders":[{"id":"https://openalex.org/F4320322650","display_name":"Narodowym Centrum Nauki","ror":"https://ror.org/03ha2q922"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3107989320.pdf","grobid_xml":"https://content.openalex.org/works/W3107989320.grobid-xml"},"referenced_works_count":79,"referenced_works":["https://openalex.org/W2268656","https://openalex.org/W60028253","https://openalex.org/W1514427291","https://openalex.org/W1531331093","https://openalex.org/W1564334232","https://openalex.org/W1685916560","https://openalex.org/W1971782636","https://openalex.org/W1974130163","https://openalex.org/W1974882120","https://openalex.org/W1986600210","https://openalex.org/W1991199033","https://openalex.org/W1992492132","https://openalex.org/W1993752245","https://openalex.org/W2000654288","https://openalex.org/W2002780482","https://openalex.org/W2004417892","https://openalex.org/W2006309075","https://openalex.org/W2006880698","https://openalex.org/W2007465829","https://openalex.org/W2011169008","https://openalex.org/W2011173878","https://openalex.org/W2015513676","https://openalex.org/W2015732934","https://openalex.org/W2023537290","https://openalex.org/W2029067750","https://openalex.org/W2029275416","https://openalex.org/W2030047467","https://openalex.org/W2034406197","https://openalex.org/W2037843748","https://openalex.org/W2038274388","https://openalex.org/W2043885908","https://openalex.org/W2044644484","https://openalex.org/W2045621730","https://openalex.org/W2045938509","https://openalex.org/W2047121541","https://openalex.org/W2047734612","https://openalex.org/W2050248324","https://openalex.org/W2055836077","https://openalex.org/W2057414544","https://openalex.org/W2068795135","https://openalex.org/W2073602498","https://openalex.org/W2076440988","https://openalex.org/W2079047156","https://openalex.org/W2082372112","https://openalex.org/W2090263986","https://openalex.org/W2104228860","https://openalex.org/W2108656934","https://openalex.org/W2123395766","https://openalex.org/W2146645861","https://openalex.org/W2244160449","https://openalex.org/W2249594991","https://openalex.org/W2276164891","https://openalex.org/W2313377131","https://openalex.org/W2512775104","https://openalex.org/W2554460746","https://openalex.org/W2557098495","https://openalex.org/W2565217453","https://openalex.org/W2572085654","https://openalex.org/W2586396595","https://openalex.org/W2732083855","https://openalex.org/W2752343675","https://openalex.org/W2753077383","https://openalex.org/W2765199649","https://openalex.org/W2769403116","https://openalex.org/W2771587451","https://openalex.org/W2883786131","https://openalex.org/W2883912530","https://openalex.org/W2886217206","https://openalex.org/W2886231974","https://openalex.org/W2886603465","https://openalex.org/W2887437817","https://openalex.org/W2890264438","https://openalex.org/W2898967989","https://openalex.org/W2900311788","https://openalex.org/W2910980032","https://openalex.org/W2911945088","https://openalex.org/W2912139741","https://openalex.org/W3048254020","https://openalex.org/W3049437368"],"related_works":["https://openalex.org/W4297521530","https://openalex.org/W2080735606","https://openalex.org/W1563898689","https://openalex.org/W1847590974","https://openalex.org/W1990143139","https://openalex.org/W2084510956","https://openalex.org/W2562923617","https://openalex.org/W2343304170","https://openalex.org/W4312561360","https://openalex.org/W2091039097"],"abstract_inverted_index":{"Thin-film":[0],"n-n":[1,140],"nanoheterostructures":[2],"of":[3,47,73,112,114,120,125,154,175,213,218],"SnO2/TiO2,":[4],"highly":[5],"sensitive":[6],"to":[7,108,133,166,191,202,226,242],"NO2,":[8],"were":[9,31,77,147,170],"obtained":[10,148],"in":[11,64,87,127,138,237],"a":[12,39,56,62,173,181],"two-step":[13],"process:":[14],"(i)":[15],"magnetron":[16],"sputtering,":[17],"MS":[18,34],"followed":[19],"by":[20,33,45,79],"(ii)":[21],"Langmuir-Blodgett,":[22],"L\u2013B,":[23],"technique.":[24],"Thick":[25],"(200":[26],"nm)":[27],"SnO2":[28,105],"base":[29],"layers":[30],"deposited":[32],"and":[35,41,70,96,179,232],"subsequently":[36],"overcoated":[37],"with":[38],"thin":[40],"discontinuous":[42],"TiO2":[43],"film":[44],"means":[46],"L\u2013B.":[48],"Rutile":[49],"nanopowder":[50],"spread":[51],"over":[52],"the":[53,74,128,150,176,221,238],"ethanol/chloroform/water":[54],"formed":[55],"suspension,":[57],"which":[58,158,206],"was":[59,101,135,204,224],"used":[60],"as":[61,172],"source":[63],"L\u2013B":[65],"method.":[66],"The":[67,142,216],"morphology,":[68],"crystallographic":[69],"electronic":[71],"properties":[72],"prepared":[75],"sensors":[76],"studied":[78],"scanning":[80],"electron":[81],"microscopy,":[82],"SEM,":[83],"X-ray":[84,92],"diffraction,":[85],"XRD":[86],"glancing":[88],"incidence":[89],"geometry,":[90],"GID,":[91],"photoemission":[93],"spectroscopy,":[94],"XPS,":[95],"uv-vis-nir":[97],"spectrophotometry,":[98],"respectively.":[99],"It":[100],"found":[102],"that":[103],"amorphous":[104],"films":[106],"responded":[107],"relatively":[109],"low":[110],"concentrations":[111],"NO2":[113,134,169,222],"about":[115,155],"200":[116],"ppb.":[117],"A":[118,198],"change":[119],"more":[121],"than":[122],"two":[123],"orders":[124],"magnitude":[126],"electrical":[129],"resistivity":[130],"upon":[131,235],"exposure":[132],"further":[136],"enhanced":[137],"SnO2/TiO2":[139],"nanoheterostructures.":[141],"best":[143],"sensor":[144],"responses":[145],"RNO2/R0":[146],"at":[149,188,195],"lowest":[151],"operating":[152,177,239],"temperatures":[153],"120":[156],"\u00b0C,":[157],"is":[159],"typical":[160],"for":[161,210],"nanomaterials.":[162],"Response":[163],"(recovery)":[164],"times":[165],"400":[167,243],"ppb":[168],"determined":[171],"function":[174],"temperature":[178,240],"indicated":[180],"significant":[182],"decrease":[183],"from":[184],"62":[185],"(42)":[186],"s":[187,194],"123":[189],"\u00b0C":[190,197,231],"12":[192],"(19)":[193],"385":[196],"much":[199],"smaller":[200],"sensitivity":[201],"H2":[203],"observed,":[205],"might":[207],"be":[208,227],"advantageous":[209],"selective":[211],"detection":[212],"nitrogen":[214],"oxides.":[215],"influence":[217],"humidity":[219],"on":[220],"response":[223],"demonstrated":[225],"significantly":[228],"below":[229],"150":[230],"systematically":[233],"decreased":[234],"increase":[236],"up":[241],"\u00b0C.":[244]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":3}],"updated_date":"2026-05-16T08:24:45.110214","created_date":"2025-10-10T00:00:00"}