{"id":"https://openalex.org/W2604282248","doi":"https://doi.org/10.3390/s17040747","title":"Conductive Photo-Activated Porphyrin-ZnO Nanostructured Gas Sensor Array","display_name":"Conductive Photo-Activated Porphyrin-ZnO Nanostructured Gas Sensor Array","publication_year":2017,"publication_date":"2017-04-01","ids":{"openalex":"https://openalex.org/W2604282248","doi":"https://doi.org/10.3390/s17040747","mag":"2604282248","pmid":"https://pubmed.ncbi.nlm.nih.gov/28368294"},"language":"en","primary_location":{"id":"doi:10.3390/s17040747","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s17040747","pdf_url":"https://www.mdpi.com/1424-8220/17/4/747/pdf?version=1492155207","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/1424-8220/17/4/747/pdf?version=1492155207","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5011675826","display_name":"Gabriele Magna","orcid":"https://orcid.org/0000-0003-2140-0110"},"institutions":[{"id":"https://openalex.org/I116067653","display_name":"University of Rome Tor Vergata","ror":"https://ror.org/02p77k626","country_code":"IT","type":"education","lineage":["https://openalex.org/I116067653"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Gabriele Magna","raw_affiliation_strings":["Department of Electronic Engineering, University of Rome Tor Vergata, Via Politecnico 1, 00133 Roma, Italy"],"raw_orcid":"https://orcid.org/0000-0003-2140-0110","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, University of Rome Tor Vergata, Via Politecnico 1, 00133 Roma, Italy","institution_ids":["https://openalex.org/I116067653"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032320481","display_name":"Alexandro Catini","orcid":"https://orcid.org/0000-0001-6050-2908"},"institutions":[{"id":"https://openalex.org/I116067653","display_name":"University of Rome Tor Vergata","ror":"https://ror.org/02p77k626","country_code":"IT","type":"education","lineage":["https://openalex.org/I116067653"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Alexandro Catini","raw_affiliation_strings":["Department of Electronic Engineering, University of Rome Tor Vergata, Via Politecnico 1, 00133 Roma, Italy"],"raw_orcid":"https://orcid.org/0000-0001-6050-2908","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, University of Rome Tor Vergata, Via Politecnico 1, 00133 Roma, Italy","institution_ids":["https://openalex.org/I116067653"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101659372","display_name":"Raj Kumar","orcid":"https://orcid.org/0000-0003-2593-9260"},"institutions":[{"id":"https://openalex.org/I116067653","display_name":"University of Rome Tor Vergata","ror":"https://ror.org/02p77k626","country_code":"IT","type":"education","lineage":["https://openalex.org/I116067653"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Raj Kumar","raw_affiliation_strings":["Department of Electronic Engineering, University of Rome Tor Vergata, Via Politecnico 1, 00133 Roma, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, University of Rome Tor Vergata, Via Politecnico 1, 00133 Roma, Italy","institution_ids":["https://openalex.org/I116067653"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072155265","display_name":"Massimo Palmacci","orcid":null},"institutions":[{"id":"https://openalex.org/I116067653","display_name":"University of Rome Tor Vergata","ror":"https://ror.org/02p77k626","country_code":"IT","type":"education","lineage":["https://openalex.org/I116067653"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Massimo Palmacci","raw_affiliation_strings":["Department of Electronic Engineering, University of Rome Tor Vergata, Via Politecnico 1, 00133 Roma, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, University of Rome Tor Vergata, Via Politecnico 1, 00133 Roma, Italy","institution_ids":["https://openalex.org/I116067653"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062989429","display_name":"Eugenio Martinelli","orcid":"https://orcid.org/0000-0002-6673-2066"},"institutions":[{"id":"https://openalex.org/I116067653","display_name":"University of Rome Tor Vergata","ror":"https://ror.org/02p77k626","country_code":"IT","type":"education","lineage":["https://openalex.org/I116067653"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Eugenio Martinelli","raw_affiliation_strings":["Department of Electronic Engineering, University of Rome Tor Vergata, Via Politecnico 1, 00133 Roma, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, University of Rome Tor Vergata, Via Politecnico 1, 00133 Roma, Italy","institution_ids":["https://openalex.org/I116067653"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033468943","display_name":"Roberto Paolesse","orcid":"https://orcid.org/0000-0002-2380-1404"},"institutions":[{"id":"https://openalex.org/I116067653","display_name":"University of Rome Tor Vergata","ror":"https://ror.org/02p77k626","country_code":"IT","type":"education","lineage":["https://openalex.org/I116067653"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Roberto Paolesse","raw_affiliation_strings":["Department of Chemical Science and Technology, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133 Roma, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemical Science and Technology, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133 Roma, Italy","institution_ids":["https://openalex.org/I116067653"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5056170822","display_name":"Corrado Di Natale","orcid":"https://orcid.org/0000-0002-0543-4348"},"institutions":[{"id":"https://openalex.org/I116067653","display_name":"University of Rome Tor Vergata","ror":"https://ror.org/02p77k626","country_code":"IT","type":"education","lineage":["https://openalex.org/I116067653"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Corrado Di Natale","raw_affiliation_strings":["Department of Electronic Engineering, University of Rome Tor Vergata, Via Politecnico 1, 00133 Roma, Italy"],"raw_orcid":"https://orcid.org/0000-0002-0543-4348","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, University of Rome Tor Vergata, Via Politecnico 1, 00133 Roma, Italy","institution_ids":["https://openalex.org/I116067653"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5056170822"],"corresponding_institution_ids":["https://openalex.org/I116067653"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":1.4614,"has_fulltext":true,"cited_by_count":23,"citation_normalized_percentile":{"value":0.83013233,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"17","issue":"4","first_page":"747","last_page":"747"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10461","display_name":"Gas Sensing Nanomaterials and Sensors","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9991000294685364,"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":0.9941999912261963,"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/porphyrin","display_name":"Porphyrin","score":0.8140920400619507},{"id":"https://openalex.org/keywords/electrical-conductor","display_name":"Electrical conductor","score":0.7292823791503906},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.598854124546051},{"id":"https://openalex.org/keywords/nanotechnology","display_name":"Nanotechnology","score":0.5296822786331177},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.47603893280029297},{"id":"https://openalex.org/keywords/photochemistry","display_name":"Photochemistry","score":0.2830605208873749},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.22498896718025208},{"id":"https://openalex.org/keywords/composite-material","display_name":"Composite material","score":0.13614821434020996}],"concepts":[{"id":"https://openalex.org/C2779480358","wikidata":"https://www.wikidata.org/wiki/Q422926","display_name":"Porphyrin","level":2,"score":0.8140920400619507},{"id":"https://openalex.org/C202374169","wikidata":"https://www.wikidata.org/wiki/Q124291","display_name":"Electrical conductor","level":2,"score":0.7292823791503906},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.598854124546051},{"id":"https://openalex.org/C171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","level":1,"score":0.5296822786331177},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.47603893280029297},{"id":"https://openalex.org/C75473681","wikidata":"https://www.wikidata.org/wiki/Q188651","display_name":"Photochemistry","level":1,"score":0.2830605208873749},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.22498896718025208},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.13614821434020996}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.3390/s17040747","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s17040747","pdf_url":"https://www.mdpi.com/1424-8220/17/4/747/pdf?version=1492155207","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:28368294","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/28368294","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:art.torvergata.it:2108/193381","is_oa":false,"landing_page_url":"http://hdl.handle.net/2108/193381","pdf_url":null,"source":{"id":"https://openalex.org/S4306400993","display_name":"Cineca Institutional Research Information System (Tor Vergata University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I116067653","host_organization_name":"University of Rome Tor Vergata","host_organization_lineage":["https://openalex.org/I116067653"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:europepmc.org:4275795","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/5421707","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Text"},{"id":"pmh:oai:mdpi.com:/1424-8220/17/4/747/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s17040747","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 17; Issue 4; Pages: 747","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s17040747","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s17040747","pdf_url":"https://www.mdpi.com/1424-8220/17/4/747/pdf?version=1492155207","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":"Reduced inequalities","id":"https://metadata.un.org/sdg/10","score":0.5400000214576721},{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.4699999988079071}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2604282248.pdf","grobid_xml":"https://content.openalex.org/works/W2604282248.grobid-xml"},"referenced_works_count":13,"referenced_works":["https://openalex.org/W1978974297","https://openalex.org/W1980063888","https://openalex.org/W2017686084","https://openalex.org/W2025271416","https://openalex.org/W2077598384","https://openalex.org/W2085527350","https://openalex.org/W2088834978","https://openalex.org/W2123636954","https://openalex.org/W2125772994","https://openalex.org/W2321708319","https://openalex.org/W2329302427","https://openalex.org/W2532224295","https://openalex.org/W2567496984"],"related_works":["https://openalex.org/W2000201965","https://openalex.org/W48184077","https://openalex.org/W32668796","https://openalex.org/W2124866723","https://openalex.org/W1978579181","https://openalex.org/W2375476515","https://openalex.org/W1972599921","https://openalex.org/W1822702367","https://openalex.org/W2066897436","https://openalex.org/W2376518483"],"abstract_inverted_index":{"Chemoresistors":[0],"working":[1],"at":[2,94],"room":[3],"temperature":[4],"are":[5,114],"attractive":[6],"for":[7],"low-consumption":[8],"integrated":[9],"sensors.":[10],"Previous":[11],"studies":[12],"show":[13],"that":[14,99],"this":[15],"feature":[16],"can":[17,41],"be":[18,42],"obtained":[19],"with":[20,71,73,86],"photoconductive":[21],"porphyrins-coated":[22],"ZnO":[23,68],"nanostructures.":[24],"Furthermore,":[25],"variations":[26],"of":[27,57,60,64,67,102,120],"the":[28,34,38,46,55,74,100,106,110,118],"porphyrin":[29],"molecular":[30,76],"structure":[31],"alter":[32],"both":[33],"chemical":[35],"sensitivity":[36],"and":[37,40,109],"photoconductivity,":[39],"used":[43],"to":[44,116],"define":[45],"sensor":[47,107],"characteristics.":[48],"Based":[49],"on":[50],"these":[51],"assumptions,":[52],"we":[53],"investigated":[54],"properties":[56],"an":[58],"array":[59,83],"four":[61],"sensors":[62,113],"made":[63],"a":[65],"layer":[66],"nanoparticles":[69],"coated":[70],"porphyrins":[72,104],"same":[75],"framework":[77],"but":[78],"different":[79,95],"metal":[80],"atoms.":[81],"The":[82],"was":[84],"tested":[85],"five":[87],"volatile":[88,121],"organic":[89],"compounds":[90,122],"(VOCs),":[91],"each":[92],"measured":[93],"concentrations.":[96],"Results":[97],"confirm":[98],"features":[101],"individual":[103],"influence":[105],"behavior,":[108],"differences":[111],"among":[112],"enough":[115],"enable":[117],"discrimination":[119],"disregarding":[123],"their":[124],"concentration.":[125]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":6},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":1}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}