{"id":"https://openalex.org/W3110454616","doi":"https://doi.org/10.3390/s20236879","title":"Undoped and Nickel-Doped Zinc Oxide Thin Films Deposited by Dip Coating and Ultrasonic Spray Pyrolysis Methods for Propane and Carbon Monoxide Sensing Applications","display_name":"Undoped and Nickel-Doped Zinc Oxide Thin Films Deposited by Dip Coating and Ultrasonic Spray Pyrolysis Methods for Propane and Carbon Monoxide Sensing Applications","publication_year":2020,"publication_date":"2020-12-01","ids":{"openalex":"https://openalex.org/W3110454616","doi":"https://doi.org/10.3390/s20236879","mag":"3110454616","pmid":"https://pubmed.ncbi.nlm.nih.gov/33271914"},"language":"en","primary_location":{"id":"doi:10.3390/s20236879","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s20236879","pdf_url":"https://www.mdpi.com/1424-8220/20/23/6879/pdf?version=1607572287","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/1424-8220/20/23/6879/pdf?version=1607572287","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5072293973","display_name":"T. V. K. Karthik","orcid":"https://orcid.org/0000-0002-6071-3892"},"institutions":[{"id":"https://openalex.org/I104854061","display_name":"Universidad Aut\u00f3noma del Estado de Hidalgo","ror":"https://ror.org/031f8kt38","country_code":"MX","type":"education","lineage":["https://openalex.org/I104854061"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"Tangirala Venkata Krishna Karthik","raw_affiliation_strings":["Escuela Superior de Tepeji del R\u00edo, Ingenier\u00eda Industrial, Universidad Aut\u00f3noma del Estado de Hidalgo, Avenida del Maestro No. 41 Colonia Noxtongo, Segunda Secci\u00f3n, 42855 Tepeji del R\u00edo, Hidalgo, Mexico"],"raw_orcid":"https://orcid.org/0000-0002-6071-3892","affiliations":[{"raw_affiliation_string":"Escuela Superior de Tepeji del R\u00edo, Ingenier\u00eda Industrial, Universidad Aut\u00f3noma del Estado de Hidalgo, Avenida del Maestro No. 41 Colonia Noxtongo, Segunda Secci\u00f3n, 42855 Tepeji del R\u00edo, Hidalgo, Mexico","institution_ids":["https://openalex.org/I104854061"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058174441","display_name":"M. de la L. Olvera","orcid":"https://orcid.org/0000-0001-9270-6497"},"institutions":[{"id":"https://openalex.org/I68368234","display_name":"Centro de Investigaci\u00f3n y de Estudios Avanzados del Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/009eqmr18","country_code":"MX","type":"facility","lineage":["https://openalex.org/I59361560","https://openalex.org/I68368234"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"Mar\u00eda de la Luz Olvera","raw_affiliation_strings":["SEES, Departamento de Ingenier\u00eda El\u00e9ctrica, Centro de Investigaci\u00f3n y de Estudios Avanzados del Instituto Polit\u00e9cnico Nacional, CINVESTAV-IPN, 07000 Mexico City, Mexico"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"SEES, Departamento de Ingenier\u00eda El\u00e9ctrica, Centro de Investigaci\u00f3n y de Estudios Avanzados del Instituto Polit\u00e9cnico Nacional, CINVESTAV-IPN, 07000 Mexico City, Mexico","institution_ids":["https://openalex.org/I68368234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037818583","display_name":"A. Maldonado","orcid":"https://orcid.org/0000-0001-8898-3248"},"institutions":[{"id":"https://openalex.org/I68368234","display_name":"Centro de Investigaci\u00f3n y de Estudios Avanzados del Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/009eqmr18","country_code":"MX","type":"facility","lineage":["https://openalex.org/I59361560","https://openalex.org/I68368234"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"Arturo Maldonado","raw_affiliation_strings":["SEES, Departamento de Ingenier\u00eda El\u00e9ctrica, Centro de Investigaci\u00f3n y de Estudios Avanzados del Instituto Polit\u00e9cnico Nacional, CINVESTAV-IPN, 07000 Mexico City, Mexico"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"SEES, Departamento de Ingenier\u00eda El\u00e9ctrica, Centro de Investigaci\u00f3n y de Estudios Avanzados del Instituto Polit\u00e9cnico Nacional, CINVESTAV-IPN, 07000 Mexico City, Mexico","institution_ids":["https://openalex.org/I68368234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019495793","display_name":"Rajesh Roshan Biswal","orcid":"https://orcid.org/0000-0001-6053-3384"},"institutions":[{"id":"https://openalex.org/I98461037","display_name":"Tecnol\u00f3gico de Monterrey","ror":"https://ror.org/03ayjn504","country_code":"MX","type":"education","lineage":["https://openalex.org/I98461037"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"Rajesh Roshan Biswal","raw_affiliation_strings":["Escuela de Ingenier\u00eda y Ciencias, Tecnol\u00f3gico de Monterrey, Avenida General Ram\u00f3n Corona 2514 Nuevo M\u00e9xico, 45138 Zapopan, Jalisco, Mexico"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Escuela de Ingenier\u00eda y Ciencias, Tecnol\u00f3gico de Monterrey, Avenida General Ram\u00f3n Corona 2514 Nuevo M\u00e9xico, 45138 Zapopan, Jalisco, Mexico","institution_ids":["https://openalex.org/I98461037"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5041407076","display_name":"Heberto G\u00f3mez-Pozos","orcid":"https://orcid.org/0000-0001-8867-8534"},"institutions":[{"id":"https://openalex.org/I104854061","display_name":"Universidad Aut\u00f3noma del Estado de Hidalgo","ror":"https://ror.org/031f8kt38","country_code":"MX","type":"education","lineage":["https://openalex.org/I104854061"]}],"countries":["MX"],"is_corresponding":true,"raw_author_name":"Heberto G\u00f3mez-Pozos","raw_affiliation_strings":["\u00c1rea acad\u00e9mica de computaci\u00f3n y electr\u00f3nica, Universidad Aut\u00f3noma del Estado de Hidalgo, 56092 Pachuca, Hidalgo, Mexico"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"\u00c1rea acad\u00e9mica de computaci\u00f3n y electr\u00f3nica, Universidad Aut\u00f3noma del Estado de Hidalgo, 56092 Pachuca, Hidalgo, Mexico","institution_ids":["https://openalex.org/I104854061"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5041407076"],"corresponding_institution_ids":["https://openalex.org/I104854061"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":0.5202,"has_fulltext":true,"cited_by_count":15,"citation_normalized_percentile":{"value":0.66152901,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":100},"biblio":{"volume":"20","issue":"23","first_page":"6879","last_page":"6879"},"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/T10090","display_name":"ZnO doping and properties","score":0.9998999834060669,"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/T11472","display_name":"Analytical Chemistry and Sensors","score":0.9923999905586243,"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/materials-science","display_name":"Materials science","score":0.7483810186386108},{"id":"https://openalex.org/keywords/zinc","display_name":"Zinc","score":0.6577361822128296},{"id":"https://openalex.org/keywords/wurtzite-crystal-structure","display_name":"Wurtzite crystal structure","score":0.6224700808525085},{"id":"https://openalex.org/keywords/thin-film","display_name":"Thin film","score":0.5554599761962891},{"id":"https://openalex.org/keywords/nickel","display_name":"Nickel","score":0.5239462852478027},{"id":"https://openalex.org/keywords/chemical-engineering","display_name":"Chemical engineering","score":0.5156606435775757},{"id":"https://openalex.org/keywords/dopant","display_name":"Dopant","score":0.49453994631767273},{"id":"https://openalex.org/keywords/dip-coating","display_name":"Dip-coating","score":0.4475765526294708},{"id":"https://openalex.org/keywords/doping","display_name":"Doping","score":0.4304730296134949},{"id":"https://openalex.org/keywords/analytical-chemistry","display_name":"Analytical Chemistry (journal)","score":0.4100782871246338},{"id":"https://openalex.org/keywords/inorganic-chemistry","display_name":"Inorganic chemistry","score":0.3794810175895691},{"id":"https://openalex.org/keywords/coating","display_name":"Coating","score":0.36473867297172546},{"id":"https://openalex.org/keywords/metallurgy","display_name":"Metallurgy","score":0.19292142987251282},{"id":"https://openalex.org/keywords/nanotechnology","display_name":"Nanotechnology","score":0.18924948573112488},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.11182770133018494},{"id":"https://openalex.org/keywords/organic-chemistry","display_name":"Organic chemistry","score":0.10424447059631348},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.09781306982040405}],"concepts":[{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.7483810186386108},{"id":"https://openalex.org/C535196362","wikidata":"https://www.wikidata.org/wiki/Q758","display_name":"Zinc","level":2,"score":0.6577361822128296},{"id":"https://openalex.org/C3045981","wikidata":"https://www.wikidata.org/wiki/Q8039317","display_name":"Wurtzite crystal structure","level":3,"score":0.6224700808525085},{"id":"https://openalex.org/C19067145","wikidata":"https://www.wikidata.org/wiki/Q1137203","display_name":"Thin film","level":2,"score":0.5554599761962891},{"id":"https://openalex.org/C504270822","wikidata":"https://www.wikidata.org/wiki/Q744","display_name":"Nickel","level":2,"score":0.5239462852478027},{"id":"https://openalex.org/C42360764","wikidata":"https://www.wikidata.org/wiki/Q83588","display_name":"Chemical engineering","level":1,"score":0.5156606435775757},{"id":"https://openalex.org/C191952053","wikidata":"https://www.wikidata.org/wiki/Q15119237","display_name":"Dopant","level":3,"score":0.49453994631767273},{"id":"https://openalex.org/C49241924","wikidata":"https://www.wikidata.org/wiki/Q2270123","display_name":"Dip-coating","level":3,"score":0.4475765526294708},{"id":"https://openalex.org/C57863236","wikidata":"https://www.wikidata.org/wiki/Q1130571","display_name":"Doping","level":2,"score":0.4304730296134949},{"id":"https://openalex.org/C113196181","wikidata":"https://www.wikidata.org/wiki/Q485223","display_name":"Analytical Chemistry (journal)","level":2,"score":0.4100782871246338},{"id":"https://openalex.org/C179104552","wikidata":"https://www.wikidata.org/wiki/Q11165","display_name":"Inorganic chemistry","level":1,"score":0.3794810175895691},{"id":"https://openalex.org/C2781448156","wikidata":"https://www.wikidata.org/wiki/Q1570182","display_name":"Coating","level":2,"score":0.36473867297172546},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.19292142987251282},{"id":"https://openalex.org/C171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","level":1,"score":0.18924948573112488},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.11182770133018494},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.10424447059631348},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.09781306982040405},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.3390/s20236879","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s20236879","pdf_url":"https://www.mdpi.com/1424-8220/20/23/6879/pdf?version=1607572287","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:33271914","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/33271914","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:9b14264f21de4764b9ba5243cc0e9dad","is_oa":true,"landing_page_url":"https://doaj.org/article/9b14264f21de4764b9ba5243cc0e9dad","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 6879 (2020)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1424-8220/20/23/6879/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s20236879","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: 6879","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:7731233","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/7731233","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/s20236879","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s20236879","pdf_url":"https://www.mdpi.com/1424-8220/20/23/6879/pdf?version=1607572287","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":[{"display_name":"Clean water and sanitation","score":0.4000000059604645,"id":"https://metadata.un.org/sdg/6"}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3110454616.pdf","grobid_xml":"https://content.openalex.org/works/W3110454616.grobid-xml"},"referenced_works_count":72,"referenced_works":["https://openalex.org/W119297272","https://openalex.org/W364724128","https://openalex.org/W587239421","https://openalex.org/W638579828","https://openalex.org/W757425263","https://openalex.org/W1890795999","https://openalex.org/W1963491804","https://openalex.org/W1964252010","https://openalex.org/W1965719259","https://openalex.org/W1967607996","https://openalex.org/W1968740854","https://openalex.org/W1970636506","https://openalex.org/W1973567250","https://openalex.org/W1977910557","https://openalex.org/W1978665828","https://openalex.org/W1979716057","https://openalex.org/W1982587682","https://openalex.org/W1984334552","https://openalex.org/W1986620052","https://openalex.org/W1987275484","https://openalex.org/W1991719530","https://openalex.org/W1998185287","https://openalex.org/W2007361429","https://openalex.org/W2009390800","https://openalex.org/W2010163318","https://openalex.org/W2020225148","https://openalex.org/W2029036004","https://openalex.org/W2032764794","https://openalex.org/W2033610284","https://openalex.org/W2037682039","https://openalex.org/W2051457568","https://openalex.org/W2053816391","https://openalex.org/W2054202513","https://openalex.org/W2057706110","https://openalex.org/W2059146608","https://openalex.org/W2060615768","https://openalex.org/W2069005961","https://openalex.org/W2072729278","https://openalex.org/W2073133898","https://openalex.org/W2078632201","https://openalex.org/W2081997645","https://openalex.org/W2085914722","https://openalex.org/W2088284329","https://openalex.org/W2090106243","https://openalex.org/W2090837175","https://openalex.org/W2092319379","https://openalex.org/W2139414594","https://openalex.org/W2162386796","https://openalex.org/W2186538198","https://openalex.org/W2192627021","https://openalex.org/W2261128287","https://openalex.org/W2290839873","https://openalex.org/W2339326584","https://openalex.org/W2396694198","https://openalex.org/W2504300924","https://openalex.org/W2505950483","https://openalex.org/W2512846140","https://openalex.org/W2520107611","https://openalex.org/W2543320884","https://openalex.org/W2580931892","https://openalex.org/W2592540768","https://openalex.org/W2594844541","https://openalex.org/W2619660334","https://openalex.org/W2761697892","https://openalex.org/W2792106070","https://openalex.org/W2792624441","https://openalex.org/W3015639922","https://openalex.org/W4233525939","https://openalex.org/W4234044776","https://openalex.org/W4236744087","https://openalex.org/W6639685509","https://openalex.org/W6726708490"],"related_works":["https://openalex.org/W4383197698","https://openalex.org/W2188856251","https://openalex.org/W1803266144","https://openalex.org/W2089462672","https://openalex.org/W2765454023","https://openalex.org/W2351163012","https://openalex.org/W2970724319","https://openalex.org/W2364709842","https://openalex.org/W2390320716","https://openalex.org/W4214652578"],"abstract_inverted_index":{"Undoped":[0],"and":[1,17,28,36,78,124,132,189],"nickel-doped":[2],"zinc":[3,26,34],"oxide":[4],"thin":[5],"films":[6,102,118,143,147,165,169],"were":[7,31,103,119],"deposited":[8,148,170],"on":[9,91,185],"sodalime":[10],"glass":[11],"substrates":[12],"by":[13,105,149,171],"utilizing":[14],"dip":[15,172],"coating":[16,173],"ultrasonic":[18,150],"spray":[19,151],"pyrolysis":[20,152],"deposition":[21,93],"techniques.":[22],"In":[23],"both":[24,122],"cases":[25],"acetate":[27],"nickel":[29,37],"acetylacetonate":[30],"used":[32],"as":[33,50],"precursor":[35],"dopant":[38],"source,":[39],"respectively.":[40],"XRD":[41],"analysis":[42],"confirms":[43],"the":[44,51,56,101,106,155,186,190,197],"ZnO":[45,117,142,164],"wurtzite":[46],"structure":[47],"with":[48,68,82],"(002)":[49],"preferential":[52],"orientation.SEM":[53],"studies":[54],"show":[55],"formation":[57],"of":[58,61,115,177,192],"two":[59],"types":[60],"morphologies,":[62],"primarily":[63],"a":[64,69],"porous":[65],"spherical":[66],"grains":[67],"grain":[70],"size":[71,83],"distribution":[72,84],"from":[73,85],"40":[74],"to":[75,87],"150":[76],"nm":[77],"another,":[79],"rose-like":[80],"structures":[81],"30":[86],"200":[88],"nm,":[89],"based":[90,184],"different":[92,129],"techniques":[94],"utilized.":[95],"The":[96,135,175],"elemental":[97],"depth":[98],"profiles":[99],"across":[100],"investigated":[104],"secondary-ion":[107],"mass":[108],"spectrometry":[109],"(SIMS).":[110],"Different":[111],"gas":[112,130],"sensing":[113,137,157,178],"responses":[114,179],"all":[116],"obtained":[120,145,167],"for":[121,140,146,162,168],"propane":[123],"carbon":[125],"monoxide":[126],"gases,":[127],"at":[128],"concentrations":[131],"operating":[133],"temperatures.":[134],"highest":[136,156],"response":[138,158],"(~6)":[139],"undoped":[141],"was":[144,166],"(USP).":[153],"Nevertheless,":[154],"(~4":[159],"\u00d7":[160],"104)":[161],"doped":[163],"method.":[174],"behavior":[176],"is":[180],"explained":[181],"in":[182],"detail":[183],"morphological":[187],"properties":[188],"amount":[191],"Ni":[193],"impurities":[194],"incorporated":[195],"into":[196],"crystal":[198],"lattice.":[199]},"counts_by_year":[{"year":2026,"cited_by_count":5},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":3},{"year":2021,"cited_by_count":2}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}