{"id":"https://openalex.org/W2011121847","doi":"https://doi.org/10.7855/ijhe.2014.16.5.049","title":"Evaluation of NOx Removal Efficiency of Photocatalytic Concrete for Road Structure","display_name":"Evaluation of NOx Removal Efficiency of Photocatalytic Concrete for Road Structure","publication_year":2014,"publication_date":"2014-10-16","ids":{"openalex":"https://openalex.org/W2011121847","doi":"https://doi.org/10.7855/ijhe.2014.16.5.049","mag":"2011121847"},"language":"en","primary_location":{"id":"doi:10.7855/ijhe.2014.16.5.049","doi":"https://doi.org/10.7855/ijhe.2014.16.5.049","is_oa":true,"landing_page_url":"https://doi.org/10.7855/ijhe.2014.16.5.049","pdf_url":"http://koreascience.or.kr:80/article/JAKO201431057577124.pdf","source":{"id":"https://openalex.org/S2764742516","display_name":"International Journal of Highway Engineering","issn_l":"1738-7159","issn":["1738-7159","2287-3678"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["kci-registered"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the Korean Society of Road Engineers","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"http://koreascience.or.kr:80/article/JAKO201431057577124.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100768001","display_name":"Young Kyu Kim","orcid":"https://orcid.org/0000-0002-3459-9678","observed_orcids":["https://orcid.org/0000-0002-3459-9678","https://orcid.org/0000-0002-0708-9322"]},"institutions":[{"id":"https://openalex.org/I133533813","display_name":"Gangneung\u2013Wonju National University","ror":"https://ror.org/0461cvh40","country_code":"KR","type":"education","lineage":["https://openalex.org/I133533813"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Young Kyu Kim","raw_affiliation_strings":["Department of Civil Engineering , Gangneung-Wonju National University , 7 , Jukheon-Gil , Gangneung-Si , Gangwon -Do , 210-702 , Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Civil Engineering , Gangneung-Wonju National University , 7 , Jukheon-Gil , Gangneung-Si , Gangwon -Do , 210-702 , Korea","institution_ids":["https://openalex.org/I133533813"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016334567","display_name":"Seong Jae Hong","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I133533813","display_name":"Gangneung\u2013Wonju National University","ror":"https://ror.org/0461cvh40","country_code":"KR","type":"education","lineage":["https://openalex.org/I133533813"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Seong Jae Hong","raw_affiliation_strings":["Department of Civil Engineering, Gangneung-Wonju National University, 7, Jukheon-Gil, Gangneung-Si, Gangwon -Do, 210-702, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Civil Engineering, Gangneung-Wonju National University, 7, Jukheon-Gil, Gangneung-Si, Gangwon -Do, 210-702, Korea","institution_ids":["https://openalex.org/I133533813"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Kyung Bae Lee","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I133533813","display_name":"Gangneung\u2013Wonju National University","ror":"https://ror.org/0461cvh40","country_code":"KR","type":"education","lineage":["https://openalex.org/I133533813"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Kyung Bae Lee","raw_affiliation_strings":["Department of Civil Engineering, Gangneung-Wonju National University, 7, Jukheon-Gil, Gangneung-Si, Gangwon -Do, 210-702, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Civil Engineering, Gangneung-Wonju National University, 7, Jukheon-Gil, Gangneung-Si, Gangwon -Do, 210-702, Korea","institution_ids":["https://openalex.org/I133533813"]}]},{"author_position":"last","author":{"id":null,"display_name":"Seung Woo Lee","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I133533813","display_name":"Gangneung\u2013Wonju National University","ror":"https://ror.org/0461cvh40","country_code":"KR","type":"education","lineage":["https://openalex.org/I133533813"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Seung Woo Lee","raw_affiliation_strings":["Department of Civil Engineering, Gangneung-Wonju National University, 7, Jukheon-Gil, Gangneung-Si, Gangwon -Do, 210-702, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Civil Engineering, Gangneung-Wonju National University, 7, Jukheon-Gil, Gangneung-Si, Gangwon -Do, 210-702, Korea","institution_ids":["https://openalex.org/I133533813"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I133533813"],"apc_list":null,"apc_paid":null,"fwci":0.3504,"has_fulltext":true,"cited_by_count":14,"citation_normalized_percentile":{"value":0.6182093,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"16","issue":"5","first_page":"49","last_page":"58"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10024","display_name":"TiO2 Photocatalysis and Solar Cells","score":0.9833999872207642,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10024","display_name":"TiO2 Photocatalysis and Solar Cells","score":0.9833999872207642,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10078","display_name":"Advanced Photocatalysis Techniques","score":0.009399999864399433,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11643","display_name":"Building materials and conservation","score":0.0010999999940395355,"subfield":{"id":"https://openalex.org/subfields/1904","display_name":"Earth-Surface Processes"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/photocatalytic-concrete","display_name":"photocatalytic concrete","score":0.9539999961853027},{"id":"https://openalex.org/keywords/nitrogen-oxides-removal","display_name":"nitrogen oxides removal","score":0.8140000104904175},{"id":"https://openalex.org/keywords/titanium-dioxide","display_name":"titanium dioxide","score":0.9639999866485596},{"id":"https://openalex.org/keywords/nox-removal-efficiency","display_name":"NOx removal efficiency","score":0.6850000023841858},{"id":"https://openalex.org/keywords/air-pollution-mitigation","display_name":"air pollution mitigation","score":0.5090000033378601},{"id":"https://openalex.org/keywords/road-structures","display_name":"road structures","score":0.6039999723434448},{"id":"https://openalex.org/keywords/smog","display_name":"smog","score":0.44200000166893005},{"id":"https://openalex.org/keywords/acid-rain","display_name":"acid rain","score":0.8100000023841858},{"id":"https://openalex.org/keywords/uv-photocatalysis","display_name":"UV photocatalysis","score":0.5350000262260437}],"concepts":[{"id":"https://openalex.org/C203032635","wikidata":"https://www.wikidata.org/wiki/Q20962970","display_name":"NOx","level":3,"score":0.9557188749313354},{"id":"https://openalex.org/C65165184","wikidata":"https://www.wikidata.org/wiki/Q218831","display_name":"Photocatalysis","level":3,"score":0.8102400302886963},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.5477374196052551},{"id":"https://openalex.org/C80107235","wikidata":"https://www.wikidata.org/wiki/Q7162625","display_name":"Penetration (warfare)","level":2,"score":0.5298469066619873},{"id":"https://openalex.org/C2777593239","wikidata":"https://www.wikidata.org/wiki/Q193521","display_name":"Titanium dioxide","level":2,"score":0.49552786350250244},{"id":"https://openalex.org/C548081761","wikidata":"https://www.wikidata.org/wiki/Q180388","display_name":"Waste management","level":1,"score":0.4516410827636719},{"id":"https://openalex.org/C82685317","wikidata":"https://www.wikidata.org/wiki/Q19829510","display_name":"Pollutant","level":2,"score":0.4472285211086273},{"id":"https://openalex.org/C2780640597","wikidata":"https://www.wikidata.org/wiki/Q424418","display_name":"Nitrogen oxide","level":4,"score":0.44396013021469116},{"id":"https://openalex.org/C3019581552","wikidata":"https://www.wikidata.org/wiki/Q424418","display_name":"Nitrogen oxides","level":2,"score":0.435351699590683},{"id":"https://openalex.org/C521259446","wikidata":"https://www.wikidata.org/wiki/Q58734","display_name":"Pollution","level":2,"score":0.4280274510383606},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4044637978076935},{"id":"https://openalex.org/C87717796","wikidata":"https://www.wikidata.org/wiki/Q146326","display_name":"Environmental engineering","level":1,"score":0.3695299029350281},{"id":"https://openalex.org/C42360764","wikidata":"https://www.wikidata.org/wiki/Q83588","display_name":"Chemical engineering","level":1,"score":0.35132062435150146},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.2857665419578552},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.21846544742584229},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0963754951953888},{"id":"https://openalex.org/C161790260","wikidata":"https://www.wikidata.org/wiki/Q82264","display_name":"Catalysis","level":2,"score":0.0899558961391449},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.06326466798782349},{"id":"https://openalex.org/C105923489","wikidata":"https://www.wikidata.org/wiki/Q133235","display_name":"Combustion","level":2,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C42475967","wikidata":"https://www.wikidata.org/wiki/Q194292","display_name":"Operations research","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.7855/ijhe.2014.16.5.049","doi":"https://doi.org/10.7855/ijhe.2014.16.5.049","is_oa":true,"landing_page_url":"https://doi.org/10.7855/ijhe.2014.16.5.049","pdf_url":"http://koreascience.or.kr:80/article/JAKO201431057577124.pdf","source":{"id":"https://openalex.org/S2764742516","display_name":"International Journal of Highway Engineering","issn_l":"1738-7159","issn":["1738-7159","2287-3678"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["kci-registered"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the Korean Society of Road Engineers","raw_type":"journal-article"},{"id":"mag:2135248672","doi":null,"is_oa":false,"landing_page_url":"https://db.koreascholar.com/Article?code=309642","pdf_url":null,"source":{"id":"https://openalex.org/S4306496470","display_name":"\ud55c\uad6d\ub3c4\ub85c\ud559\ud68c\ub17c\ubb38\uc9d1","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"\ud55c\uad6d\ub3c4\ub85c\ud559\ud68c\ub17c\ubb38\uc9d1 = International journal of highway engineering","raw_type":null}],"best_oa_location":{"id":"doi:10.7855/ijhe.2014.16.5.049","doi":"https://doi.org/10.7855/ijhe.2014.16.5.049","is_oa":true,"landing_page_url":"https://doi.org/10.7855/ijhe.2014.16.5.049","pdf_url":"http://koreascience.or.kr:80/article/JAKO201431057577124.pdf","source":{"id":"https://openalex.org/S2764742516","display_name":"International Journal of Highway Engineering","issn_l":"1738-7159","issn":["1738-7159","2287-3678"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["kci-registered"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the Korean Society of Road Engineers","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.7250000238418579,"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11"},{"score":0.5378999710083008,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322010","display_name":"Ministry of Land, Infrastructure and Transport","ror":"https://ror.org/04xt5aa77"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2011121847.pdf","grobid_xml":"https://content.openalex.org/works/W2011121847.grobid-xml"},"referenced_works_count":2,"referenced_works":["https://openalex.org/W2067484156","https://openalex.org/W2161361664"],"related_works":["https://openalex.org/W2135248672","https://openalex.org/W2756411468","https://openalex.org/W2067484156","https://openalex.org/W4379470999","https://openalex.org/W2092559783","https://openalex.org/W3138786882","https://openalex.org/W2261113640","https://openalex.org/W2598924893","https://openalex.org/W2738531523","https://openalex.org/W1573387392"],"abstract_inverted_index":{"PURPOSES":[0],":":[1,159,220,299],"In":[2,100,243],"areas":[3],"of":[4,16,37,45,61,75,80,108,113,119,155,169,203,216,225,236,245,262,277],"high":[5],"traffic":[6],"volume,":[7],"such":[8,178],"as":[9,24,110,144,179,268,308],"expressway":[10],"across":[11],"large":[12],"cities,":[13],"the":[14,22,34,43,51,78,126,129,138,153,165,214,251,289,304,322],"amount":[15,261],"nitrogen":[17],"oxides":[18],"(NOx)":[19],"emitted":[20],"into":[21],"atmosphere":[23],"air":[25,130],"pollution":[26],"can":[27],"be":[28,91,98],"significant":[29],"since":[30],"NOx":[31,46,72,166,200,209,222,252,274,323],"gases":[32,324],"are":[33,104],"major":[35],"cause":[36],"smog":[38],"and":[39,131,192,271],"acid":[40],"rain.":[41],"Recently,":[42],"importance":[44],"removal":[47,167,201,223,253,275],"has":[48],"arisen":[49],"in":[50,85,121,128,147,318],"world.":[52],"Titanium":[53],"dioxide":[54],"(":[55],"$TiO_2$":[56,76,84,102,109,120,134,151,175,182,186,204,228,263,305],"),":[57],"that":[58,303],"is":[59,65,77,142],"one":[60],"photocatalytic":[62,170],"reaction":[63,79],"material,":[64],"very":[66,294],"efficient":[67],"for":[68,325],"removing":[69,73],"NOx.":[70],"The":[71,199,221,273],"mechanism":[74],"solar":[81],"photocatalysis.":[82],"Therefore,":[83,133],"road":[86,327],"structure":[87],"concrete":[88,114,122,156,171,191,194,205,282,313,326],"need":[89],"to":[90,97,149,152,163,173,232,241,259,284,320],"contacted":[92],"with":[93,125,181,227,234,264],"ultraviolet":[94],"rays":[95],"(UV)":[96],"activated.":[99],"general,":[101],"concretes":[103],"produced":[105],"by":[106,208],"replacement":[107,237],"a":[111,315],"part":[112],"binder.":[115],"However,":[116],"considerable":[117],"portion":[118],"cannot":[123],"contact":[124],"pollutant":[127],"UV.":[132],"penetration":[135,140,187,197,266,306],"method":[136,177,307],"using":[137,195],"surface":[139,154,184,196,246,265,278,309],"agents":[141,267],"attempted":[143],"an":[145],"alternative":[146,317],"order":[148,319],"locate":[150],"structure.":[157],"METHODS":[158],"This":[160],"study":[161],"aimed":[162],"evaluate":[164],"efficiency":[168,202,224,254,276],"due":[172,258,283],"various":[174],"application":[176,260],"mix":[180,226],",":[183],"spray(":[185],"method)":[188],"on":[189,213,248,280,288,311],"hardened":[190,249,312],"fresh":[193,281],"agents.":[198],"was":[206,255,293,301,314],"confirmed":[207],"Analyzing":[210],"System":[211],"based":[212],"specification":[215],"ISO":[217],"22197-1.":[218],"RESULTS":[219],"increased":[229],"from":[230,239],"11":[231],"25%":[233],"increasing":[235],"ratio":[238],"3":[240],"7%.":[242],"case":[244],"spray":[247,279,310],"concrete,":[250],"about":[256],"50%":[257],"300,":[269],"500":[270],"700g/m2.":[272],"all":[285],"experimental":[286],"conditions,":[287],"other":[290],"hand,":[291],"which":[292],"low":[295],"within":[296],"10%.":[297],"CONCLUSIONS":[298],"It":[300],"known":[302],"good":[316],"remove":[321],"structures.":[328]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
