{"id":"https://openalex.org/W7224574476","doi":"https://doi.org/10.3390/mi17111241","title":"Au\u2013Pt Co-Modified PrFeO3 for Enhanced CO2 Sensing with Support Vector Regression-Assisted Calibration","display_name":"Au\u2013Pt Co-Modified PrFeO3 for Enhanced CO2 Sensing with Support Vector Regression-Assisted Calibration","publication_year":2026,"publication_date":"2026-10-29","ids":{"openalex":"https://openalex.org/W7224574476","doi":"https://doi.org/10.3390/mi17111241"},"language":"en","primary_location":{"id":"doi:10.3390/mi17111241","doi":"https://doi.org/10.3390/mi17111241","is_oa":true,"landing_page_url":"https://doi.org/10.3390/mi17111241","pdf_url":null,"source":{"id":"https://openalex.org/S96702057","display_name":"Micromachines","issn_l":"2072-666X","issn":["2072-666X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","norway-1","poland-70","russia-white-list-1","vabb-shw"],"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":"Micromachines","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.3390/mi17111241","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5160097768","display_name":"Heng Zhang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I44445938","display_name":"Shandong Jianzhu University","ror":"https://ror.org/01gbfax37","country_code":"CN","type":"education","lineage":["https://openalex.org/I44445938"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Heng Zhang","raw_affiliation_strings":["Resources and Environment Innovation Institute, Shandong Jianzhu University, Jinan 250101, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Resources and Environment Innovation Institute, Shandong Jianzhu University, Jinan 250101, China","institution_ids":["https://openalex.org/I44445938"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160072278","display_name":"Yang Liu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I44445938","display_name":"Shandong Jianzhu University","ror":"https://ror.org/01gbfax37","country_code":"CN","type":"education","lineage":["https://openalex.org/I44445938"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yang Liu","raw_affiliation_strings":["School of Civil Engineering, Shandong Jianzhu University, Jinan 250101, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Civil Engineering, Shandong Jianzhu University, Jinan 250101, China","institution_ids":["https://openalex.org/I44445938"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160135958","display_name":"Yongshuo Zhang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I44445938","display_name":"Shandong Jianzhu University","ror":"https://ror.org/01gbfax37","country_code":"CN","type":"education","lineage":["https://openalex.org/I44445938"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yongshuo Zhang","raw_affiliation_strings":["School of Civil Engineering, Shandong Jianzhu University, Jinan 250101, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Civil Engineering, Shandong Jianzhu University, Jinan 250101, China","institution_ids":["https://openalex.org/I44445938"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160088088","display_name":"Zhengdao Li","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I44445938","display_name":"Shandong Jianzhu University","ror":"https://ror.org/01gbfax37","country_code":"CN","type":"education","lineage":["https://openalex.org/I44445938"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhengdao Li","raw_affiliation_strings":["Resources and Environment Innovation Institute, Shandong Jianzhu University, Jinan 250101, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Resources and Environment Innovation Institute, Shandong Jianzhu University, Jinan 250101, China","institution_ids":["https://openalex.org/I44445938"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5160147114","display_name":"Feiyong Chen","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I44445938","display_name":"Shandong Jianzhu University","ror":"https://ror.org/01gbfax37","country_code":"CN","type":"education","lineage":["https://openalex.org/I44445938"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Feiyong Chen","raw_affiliation_strings":["Resources and Environment Innovation Institute, Shandong Jianzhu University, Jinan 250101, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Resources and Environment Innovation Institute, Shandong Jianzhu University, Jinan 250101, China","institution_ids":["https://openalex.org/I44445938"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5160147114"],"corresponding_institution_ids":["https://openalex.org/I44445938"],"apc_list":{"value":2100,"currency":"CHF","value_usd":2534},"apc_paid":{"value":2100,"currency":"CHF","value_usd":2534},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.75457641,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"17","issue":"11","first_page":"1241","last_page":"1241"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10461","display_name":"Gas Sensing Nanomaterials and Sensors","score":0.9994999766349792,"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":0.9994999766349792,"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/T12120","display_name":"Air Quality Monitoring and Forecasting","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11667","display_name":"Advanced Chemical Sensor Technologies","score":9.999999747378752e-05,"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/prfeo3","display_name":"PrFeO3","score":0.859000027179718},{"id":"https://openalex.org/keywords/co2-gas-sensing","display_name":"CO2 gas sensing","score":0.7020000219345093},{"id":"https://openalex.org/keywords/chemiresistive-sensors","display_name":"chemiresistive sensors","score":0.7559999823570251},{"id":"https://openalex.org/keywords/respiratory-gas-analysis","display_name":"respiratory gas analysis","score":0.6269999742507935},{"id":"https://openalex.org/keywords/rice-seeds","display_name":"rice seeds","score":0.699999988079071},{"id":"https://openalex.org/keywords/sensor-stability","display_name":"sensor stability","score":0.34299999475479126}],"concepts":[{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.7522000074386597},{"id":"https://openalex.org/C113196181","wikidata":"https://www.wikidata.org/wiki/Q485223","display_name":"Analytical Chemistry (journal)","level":2,"score":0.5572999715805054},{"id":"https://openalex.org/C150394285","wikidata":"https://www.wikidata.org/wiki/Q180254","display_name":"Adsorption","level":2,"score":0.5115000009536743},{"id":"https://openalex.org/C186060115","wikidata":"https://www.wikidata.org/wiki/Q30336093","display_name":"Biological system","level":1,"score":0.5047000050544739},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4684000015258789},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.421999990940094},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.42170000076293945},{"id":"https://openalex.org/C23531484","wikidata":"https://www.wikidata.org/wiki/Q3196863","display_name":"Calibration curve","level":3,"score":0.41679999232292175},{"id":"https://openalex.org/C12267149","wikidata":"https://www.wikidata.org/wiki/Q282453","display_name":"Support vector machine","level":2,"score":0.4108000099658966},{"id":"https://openalex.org/C540031477","wikidata":"https://www.wikidata.org/wiki/Q629","display_name":"Oxygen","level":2,"score":0.4074000120162964},{"id":"https://openalex.org/C51989270","wikidata":"https://www.wikidata.org/wiki/Q623738","display_name":"Relative standard deviation","level":3,"score":0.4032000005245209},{"id":"https://openalex.org/C122383733","wikidata":"https://www.wikidata.org/wiki/Q865920","display_name":"Approximation error","level":2,"score":0.3874000012874603},{"id":"https://openalex.org/C150077022","wikidata":"https://www.wikidata.org/wiki/Q3136137","display_name":"Response surface methodology","level":2,"score":0.37549999356269836},{"id":"https://openalex.org/C48921125","wikidata":"https://www.wikidata.org/wiki/Q10861030","display_name":"Linear regression","level":2,"score":0.36250001192092896},{"id":"https://openalex.org/C2780841128","wikidata":"https://www.wikidata.org/wiki/Q5073781","display_name":"Characterization (materials science)","level":2,"score":0.35350000858306885},{"id":"https://openalex.org/C2776799497","wikidata":"https://www.wikidata.org/wiki/Q484298","display_name":"Surface (topology)","level":2,"score":0.3529999852180481},{"id":"https://openalex.org/C120934525","wikidata":"https://www.wikidata.org/wiki/Q849149","display_name":"Absolute deviation","level":2,"score":0.28940001130104065},{"id":"https://openalex.org/C2780358262","wikidata":"https://www.wikidata.org/wiki/Q1540423","display_name":"Surface charge","level":2,"score":0.2612999975681305},{"id":"https://openalex.org/C516920438","wikidata":"https://www.wikidata.org/wiki/Q37129","display_name":"Methane","level":2,"score":0.26089999079704285},{"id":"https://openalex.org/C83546350","wikidata":"https://www.wikidata.org/wiki/Q1139051","display_name":"Regression","level":2,"score":0.25760000944137573},{"id":"https://openalex.org/C19012869","wikidata":"https://www.wikidata.org/wiki/Q578372","display_name":"Response time","level":2,"score":0.2572999894618988}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.3390/mi17111241","doi":"https://doi.org/10.3390/mi17111241","is_oa":true,"landing_page_url":"https://doi.org/10.3390/mi17111241","pdf_url":null,"source":{"id":"https://openalex.org/S96702057","display_name":"Micromachines","issn_l":"2072-666X","issn":["2072-666X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","norway-1","poland-70","russia-white-list-1","vabb-shw"],"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":"Micromachines","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.3390/mi17111241","doi":"https://doi.org/10.3390/mi17111241","is_oa":true,"landing_page_url":"https://doi.org/10.3390/mi17111241","pdf_url":null,"source":{"id":"https://openalex.org/S96702057","display_name":"Micromachines","issn_l":"2072-666X","issn":["2072-666X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","norway-1","poland-70","russia-white-list-1","vabb-shw"],"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":"Micromachines","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320324777","display_name":"Shandong Jianzhu University","ror":"https://ror.org/01gbfax37"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W1997874019","https://openalex.org/W2126915417","https://openalex.org/W2546939049","https://openalex.org/W2548444764","https://openalex.org/W2735620885","https://openalex.org/W2751208088","https://openalex.org/W2894418107","https://openalex.org/W2909952098","https://openalex.org/W3122473738","https://openalex.org/W3127427328","https://openalex.org/W3135750935","https://openalex.org/W3209529189","https://openalex.org/W3215374193","https://openalex.org/W4205389923","https://openalex.org/W4288430730","https://openalex.org/W4293382190","https://openalex.org/W4296742033","https://openalex.org/W4360618336","https://openalex.org/W4382631933","https://openalex.org/W4388144450","https://openalex.org/W4389704960","https://openalex.org/W4390806979","https://openalex.org/W4391286388","https://openalex.org/W4391874416","https://openalex.org/W4396637552","https://openalex.org/W4399194493","https://openalex.org/W4399567258","https://openalex.org/W4400061253","https://openalex.org/W4404541565","https://openalex.org/W4405573171","https://openalex.org/W4409188113","https://openalex.org/W4409204685","https://openalex.org/W4409499655","https://openalex.org/W4409904148","https://openalex.org/W7125713118","https://openalex.org/W7130374513"],"related_works":["https://openalex.org/W4409499655","https://openalex.org/W7203717383","https://openalex.org/W2893703589","https://openalex.org/W4395052407","https://openalex.org/W2082708036","https://openalex.org/W7165651620","https://openalex.org/W4415507819","https://openalex.org/W1973955096","https://openalex.org/W7120810217","https://openalex.org/W4319793066"],"abstract_inverted_index":{"Improving":[0],"chemiresistive":[1],"CO2":[2,44,71,151,198],"sensing":[3,107],"in":[4,10,111,154,207],"real":[5,210],"gas":[6,156,211],"samples":[7,157,212],"requires":[8],"advances":[9],"both":[11],"material":[12],"response":[13,66,82,102,199],"and":[14,29,34,55,83,88,116,122,182,203],"signal":[15],"calibration.":[16,215],"Here,":[17],"Au\u2013Pt":[18,201],"co-modified":[19],"PrFeO3":[20],"(Au\u2013Pt/PFO)":[21],"was":[22,109],"prepared":[23],"by":[24],"a":[25,48,93,137,189],"citric-acid-assisted":[26],"sol\u2013gel":[27],"method":[28],"evaluated":[30],"against":[31],"PFO,":[32,80],"Au/PFO,":[33],"Pt/PFO":[35],"to":[36,68,75,135,188],"examine":[37],"the":[38,129,171,208],"effects":[39],"of":[40,52,79,86,99,113,192],"noble-metal":[41],"modification":[42],"on":[43,103],"sensing.":[45],"Au\u2013Pt/PFO":[46],"exhibited":[47],"specific":[49],"surface":[50,58,114],"area":[51],"16.26":[53],"m2/g":[54],"an":[56],"altered":[57],"oxygen":[59],"chemical":[60],"environment.":[61],"At":[62],"190":[63],"\u00b0C,":[64],"its":[65,100],"(Rg/Ra)":[67],"1000":[69],"ppm":[70],"reached":[72],"9.68,":[73],"corresponding":[74,187],"2.61":[76],"times":[77,85],"that":[78],"with":[81],"recovery":[84],"22.38":[87],"16.37":[89],"s,":[90],"respectively.":[91],"During":[92],"31-day":[94],"test,":[95],"it":[96],"retained":[97],"99.38%":[98],"initial":[101],"Day":[104],"31.":[105],"The":[106],"behavior":[108],"interpreted":[110],"terms":[112],"adsorption":[115],"interfacial":[117],"charge":[118],"modulation":[119],"using":[120],"characterization":[121],"electrical":[123],"measurements.":[124],"Seven":[125],"features":[126],"extracted":[127],"from":[128,158],"response\u2013recovery":[130],"curves":[131],"were":[132,176],"subsequently":[133],"used":[134],"construct":[136],"support":[138],"vector":[139],"regression":[140],"(SVR)-assisted":[141],"calibration":[142,181],"model.":[143],"Spectroscopic":[144],"measurements":[145],"served":[146],"as":[147],"references":[148],"for":[149,178,184],"evaluating":[150],"concentration":[152,205],"predictions":[153],"respiratory":[155],"imbibed":[159],"rice":[160],"seeds.":[161],"Across":[162],"separate":[163],"groups":[164],"comprising":[165],"two":[166],"gas-sample":[167],"batches":[168],"per":[169],"method,":[170],"mean":[172],"absolute":[173],"relative":[174,190],"errors":[175],"97.55%":[177],"conventional":[179],"response-based":[180],"33.07%":[183],"SVR-assisted":[185],"calibration,":[186],"reduction":[191],"66.10%.":[193],"These":[194],"results":[195],"demonstrate":[196],"enhanced":[197],"through":[200,213],"co-modification":[202],"improved":[204],"prediction":[206],"investigated":[209],"multiparameter-assisted":[214]},"counts_by_year":[],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2026-10-30T00:00:00"}