{"id":"https://openalex.org/W7225345384","doi":"https://doi.org/10.1021/acsami.6c16456","title":"Defect Passivation via a Bifunctional Guanidinium Sulfamate Ligand for High-Efficiency Perovskite Solar Cells","display_name":"Defect Passivation via a Bifunctional Guanidinium Sulfamate Ligand for High-Efficiency Perovskite Solar Cells","publication_year":2026,"publication_date":"2026-11-05","ids":{"openalex":"https://openalex.org/W7225345384","doi":"https://doi.org/10.1021/acsami.6c16456","pmid":"https://pubmed.ncbi.nlm.nih.gov/42985771"},"language":"en","primary_location":{"id":"doi:10.1021/acsami.6c16456","doi":"https://doi.org/10.1021/acsami.6c16456","is_oa":false,"landing_page_url":"https://doi.org/10.1021/acsami.6c16456","pdf_url":null,"source":{"id":"https://openalex.org/S164001016","display_name":"ACS Applied Materials & Interfaces","issn_l":"1944-8244","issn":["1944-8244","1944-8252"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-2","ki-jl-1","medline","norway-1","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320006","host_organization_name":"American Chemical Society","host_organization_lineage":["https://openalex.org/P4310320006"],"host_organization_lineage_names":["American Chemical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACS Applied Materials & Interfaces","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5160824585","display_name":"Mengting Zhu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210153482","display_name":"Changzhou University","ror":"https://ror.org/04ymgwq66","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210153482"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mengting Zhu","raw_affiliation_strings":["Changzhou University , , ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Changzhou University , , ,","institution_ids":["https://openalex.org/I4210153482"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160771330","display_name":"Qiwei Liu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210153482","display_name":"Changzhou University","ror":"https://ror.org/04ymgwq66","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210153482"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qiwei Liu","raw_affiliation_strings":["Changzhou University , , ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Changzhou University , , ,","institution_ids":["https://openalex.org/I4210153482"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160767172","display_name":"Tao Hu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210153482","display_name":"Changzhou University","ror":"https://ror.org/04ymgwq66","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210153482"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tao Hu","raw_affiliation_strings":["Changzhou University , , ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Changzhou University , , ,","institution_ids":["https://openalex.org/I4210153482"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160937668","display_name":"Xianwei Zhang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210153482","display_name":"Changzhou University","ror":"https://ror.org/04ymgwq66","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210153482"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xianwei Zhang","raw_affiliation_strings":["Changzhou University , , ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Changzhou University , , ,","institution_ids":["https://openalex.org/I4210153482"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033614378","display_name":"Jican Hao","orcid":"https://orcid.org/0000-0001-9424-701X","observed_orcids":["https://orcid.org/0000-0001-9424-701X"]},"institutions":[{"id":"https://openalex.org/I4210153482","display_name":"Changzhou University","ror":"https://ror.org/04ymgwq66","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210153482"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jican Hao","raw_affiliation_strings":["Changzhou University , , ,"],"raw_orcid":"https://orcid.org/0000-0001-9424-701X","affiliations":[{"raw_affiliation_string":"Changzhou University , , ,","institution_ids":["https://openalex.org/I4210153482"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160912365","display_name":"Lei Xu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210153482","display_name":"Changzhou University","ror":"https://ror.org/04ymgwq66","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210153482"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lei Xu","raw_affiliation_strings":["Changzhou University , , ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Changzhou University , , ,","institution_ids":["https://openalex.org/I4210153482"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160873042","display_name":"Shiwen Sun","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Shiwen Sun","raw_affiliation_strings":["Sun-chip Sensor Technology Co., Ltd , ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sun-chip Sensor Technology Co., Ltd , ,","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081919684","display_name":"\u90b1\u5efa\u534e","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210153482","display_name":"Changzhou University","ror":"https://ror.org/04ymgwq66","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210153482"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianhua Qiu","raw_affiliation_strings":["Changzhou University , , ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Changzhou University , , ,","institution_ids":["https://openalex.org/I4210153482"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100328871","display_name":"Shuai Zhang","orcid":"https://orcid.org/0000-0002-3033-9238","observed_orcids":["https://orcid.org/0000-0002-3033-9238","https://orcid.org/0000-0001-6718-7867","https://orcid.org/0009-0008-5232-4054"]},"institutions":[{"id":"https://openalex.org/I4210153482","display_name":"Changzhou University","ror":"https://ror.org/04ymgwq66","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210153482"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Han Zhang","raw_affiliation_strings":["Changzhou University , , ,"],"raw_orcid":"https://orcid.org/0000-0001-6718-7867","affiliations":[{"raw_affiliation_string":"Changzhou University , , ,","institution_ids":["https://openalex.org/I4210153482"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5159576684","display_name":"Ziyao Zhou","orcid":"https://orcid.org/0009-0002-9604-7403","observed_orcids":["https://orcid.org/0009-0002-9604-7403"]},"institutions":[{"id":"https://openalex.org/I4210153482","display_name":"Changzhou University","ror":"https://ror.org/04ymgwq66","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210153482"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ziyao Zhou","raw_affiliation_strings":["Changzhou University , , ,"],"raw_orcid":"https://orcid.org/0009-0002-9604-7403","affiliations":[{"raw_affiliation_string":"Changzhou University , , ,","institution_ids":["https://openalex.org/I4210153482"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5005000418","display_name":"Jian Su","orcid":"https://orcid.org/0000-0002-0785-6528","observed_orcids":["https://orcid.org/0000-0002-0785-6528"]},"institutions":[{"id":"https://openalex.org/I4210153482","display_name":"Changzhou University","ror":"https://ror.org/04ymgwq66","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210153482"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Jian Su","raw_affiliation_strings":["Changzhou University , , ,"],"raw_orcid":"https://orcid.org/0000-0002-0785-6528","affiliations":[{"raw_affiliation_string":"Changzhou University , , ,","institution_ids":["https://openalex.org/I4210153482"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5005000418"],"corresponding_institution_ids":["https://openalex.org/I4210153482"],"apc_list":{"value":4500,"currency":"USD","value_usd":4500},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10247","display_name":"Perovskite Materials and Applications","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/T10247","display_name":"Perovskite Materials and Applications","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/T10275","display_name":"2D Materials and Applications","score":0.0,"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/T10107","display_name":"Ferroelectric and Piezoelectric Materials","score":0.0,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/perovskite-solar-cells","display_name":"perovskite solar cells","score":0.9879999756813049},{"id":"https://openalex.org/keywords/defect-passivation","display_name":"defect passivation","score":0.9729999899864197},{"id":"https://openalex.org/keywords/alpha-fapbi3","display_name":"\u03b1-FAPbI3","score":0.847000002861023},{"id":"https://openalex.org/keywords/defect-chemistry","display_name":"defect chemistry","score":0.5720000267028809},{"id":"https://openalex.org/keywords/pb-o-coordination","display_name":"Pb-O coordination","score":0.7509999871253967},{"id":"https://openalex.org/keywords/film-crystallinity","display_name":"film crystallinity","score":0.777999997138977},{"id":"https://openalex.org/keywords/photoluminescence-lifetime","display_name":"photoluminescence lifetime","score":0.8880000114440918},{"id":"https://openalex.org/keywords/nonradiative-recombination","display_name":"nonradiative recombination","score":0.9340000152587891},{"id":"https://openalex.org/keywords/power-conversion-efficiency","display_name":"power conversion efficiency","score":0.824999988079071},{"id":"https://openalex.org/keywords/environmental-stability","display_name":"environmental stability","score":0.6010000109672546}],"concepts":[{"id":"https://openalex.org/C155011858","wikidata":"https://www.wikidata.org/wiki/Q3036449","display_name":"Perovskite (structure)","level":2,"score":0.8385999798774719},{"id":"https://openalex.org/C2780443040","wikidata":"https://www.wikidata.org/wiki/Q3737863","display_name":"Bifunctional","level":3,"score":0.8223999738693237},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.7595999836921692},{"id":"https://openalex.org/C33574316","wikidata":"https://www.wikidata.org/wiki/Q917260","display_name":"Passivation","level":3,"score":0.7271999716758728},{"id":"https://openalex.org/C46275449","wikidata":"https://www.wikidata.org/wiki/Q2458815","display_name":"Crystallinity","level":2,"score":0.5859000086784363},{"id":"https://openalex.org/C116569031","wikidata":"https://www.wikidata.org/wiki/Q899107","display_name":"Ligand (biochemistry)","level":3,"score":0.5684999823570251},{"id":"https://openalex.org/C85080765","wikidata":"https://www.wikidata.org/wiki/Q614893","display_name":"Photoluminescence","level":2,"score":0.5364000201225281},{"id":"https://openalex.org/C2776568683","wikidata":"https://www.wikidata.org/wiki/Q23005640","display_name":"Moiety","level":2,"score":0.4636000096797943},{"id":"https://openalex.org/C542589376","wikidata":"https://www.wikidata.org/wiki/Q192127","display_name":"Photovoltaics","level":3,"score":0.44209998846054077},{"id":"https://openalex.org/C152365726","wikidata":"https://www.wikidata.org/wiki/Q1048589","display_name":"Density functional theory","level":2,"score":0.41119998693466187},{"id":"https://openalex.org/C206991015","wikidata":"https://www.wikidata.org/wiki/Q192704","display_name":"Energy conversion efficiency","level":2,"score":0.37380000948905945},{"id":"https://openalex.org/C2775959666","wikidata":"https://www.wikidata.org/wiki/Q423088","display_name":"Formamidinium","level":3,"score":0.3718000054359436},{"id":"https://openalex.org/C112887158","wikidata":"https://www.wikidata.org/wiki/Q169324","display_name":"Hydrogen bond","level":3,"score":0.33489999175071716},{"id":"https://openalex.org/C42360764","wikidata":"https://www.wikidata.org/wiki/Q83588","display_name":"Chemical engineering","level":1,"score":0.33149999380111694},{"id":"https://openalex.org/C2775897365","wikidata":"https://www.wikidata.org/wiki/Q424314","display_name":"Triethanolamine","level":3,"score":0.33090001344680786},{"id":"https://openalex.org/C8010536","wikidata":"https://www.wikidata.org/wiki/Q160398","display_name":"Crystallography","level":1,"score":0.32659998536109924},{"id":"https://openalex.org/C75473681","wikidata":"https://www.wikidata.org/wiki/Q188651","display_name":"Photochemistry","level":1,"score":0.3237000107765198},{"id":"https://openalex.org/C41291067","wikidata":"https://www.wikidata.org/wiki/Q1897785","display_name":"Photovoltaic system","level":2,"score":0.31209999322891235},{"id":"https://openalex.org/C171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","level":1,"score":0.2971000075340271},{"id":"https://openalex.org/C207114421","wikidata":"https://www.wikidata.org/wiki/Q133900","display_name":"Diffraction","level":2,"score":0.2831999957561493},{"id":"https://openalex.org/C205188671","wikidata":"https://www.wikidata.org/wiki/Q3803316","display_name":"Isostructural","level":3,"score":0.2743000090122223},{"id":"https://openalex.org/C179104552","wikidata":"https://www.wikidata.org/wiki/Q11165","display_name":"Inorganic chemistry","level":1,"score":0.27000001072883606}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1021/acsami.6c16456","doi":"https://doi.org/10.1021/acsami.6c16456","is_oa":false,"landing_page_url":"https://doi.org/10.1021/acsami.6c16456","pdf_url":null,"source":{"id":"https://openalex.org/S164001016","display_name":"ACS Applied Materials & Interfaces","issn_l":"1944-8244","issn":["1944-8244","1944-8252"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-2","ki-jl-1","medline","norway-1","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320006","host_organization_name":"American Chemical Society","host_organization_lineage":["https://openalex.org/P4310320006"],"host_organization_lineage_names":["American Chemical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACS Applied Materials & Interfaces","raw_type":"journal-article"},{"id":"pmid:42985771","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/42985771","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,"listed_in":[],"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":"ACS applied materials & interfaces","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8485000133514404,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":42,"referenced_works":["https://openalex.org/W1789674756","https://openalex.org/W1888136223","https://openalex.org/W2346195049","https://openalex.org/W2471425766","https://openalex.org/W2473826569","https://openalex.org/W2541186629","https://openalex.org/W2732528253","https://openalex.org/W2793411568","https://openalex.org/W2800163794","https://openalex.org/W2802259732","https://openalex.org/W2883209223","https://openalex.org/W2896912414","https://openalex.org/W2897236164","https://openalex.org/W2903393784","https://openalex.org/W2904220713","https://openalex.org/W2908871661","https://openalex.org/W2910856350","https://openalex.org/W2916431294","https://openalex.org/W2923019151","https://openalex.org/W2940017382","https://openalex.org/W2951591241","https://openalex.org/W2977917184","https://openalex.org/W2985704745","https://openalex.org/W2987606306","https://openalex.org/W2992627872","https://openalex.org/W2997320815","https://openalex.org/W2997731660","https://openalex.org/W3002110523","https://openalex.org/W3015112377","https://openalex.org/W3026361620","https://openalex.org/W3034911393","https://openalex.org/W3086313595","https://openalex.org/W3104573014","https://openalex.org/W3168666289","https://openalex.org/W4387949346","https://openalex.org/W4399191865","https://openalex.org/W4401658626","https://openalex.org/W4410747224","https://openalex.org/W4411100420","https://openalex.org/W4413904306","https://openalex.org/W4414845368","https://openalex.org/W7125711671"],"related_works":["https://openalex.org/W4410462814","https://openalex.org/W7118127017","https://openalex.org/W3164816564","https://openalex.org/W4409771359","https://openalex.org/W3097076668","https://openalex.org/W4412509911","https://openalex.org/W4412633630","https://openalex.org/W4287845154","https://openalex.org/W7165063053","https://openalex.org/W4399191865"],"abstract_inverted_index":{"Achieving":[0],"high":[1],"crystallinity":[2],"and":[3,18,87,97,123,157],"low":[4],"defect":[5,39,53],"density":[6],"remains":[7],"a":[8,33,77,116,124,134],"critical":[9],"bottleneck":[10],"for":[11,152],"maximizing":[12],"the":[13,38,62,94,102,107,145],"power":[14],"conversion":[15],"efficiency":[16],"(PCE)":[17],"operational":[19],"stability":[20],"of":[21,41,50,137,147],"perovskite":[22,42,113,154],"solar":[23],"cells":[24],"(PSCs).":[25],"Herein,":[26],"we":[27],"introduce":[28],"guanidinium":[29,103],"sulfamate":[30,95],"(GASM)":[31],"as":[32,149],"bifunctional":[34],"ligand":[35],"to":[36,52,163],"modulate":[37],"chemistry":[40],"films.":[43],"DFT":[44],"calculations":[45],"reveal":[46],"thermodynamically":[47],"favorable":[48],"binding":[49],"GASM":[51,148],"sites":[54],"on":[55],"selected":[56],"\u03b1-FAPbI3":[57],"(100)":[58,64,118],"surface":[59],"models.":[60],"Separately,":[61],"stronger":[63,117],"diffraction":[65,119],"response":[66],"observed":[67,108],"by":[68],"XRD":[69],"is":[70],"consistent":[71,105],"with":[72,106],"improved":[73],"film":[74,155],"crystallinity,":[75],"although":[76],"change":[78],"in":[79],"out-of-plane":[80],"texture":[81],"cannot":[82],"be":[83],"excluded.":[84],"Meanwhile,":[85],"theoretical":[86],"spectroscopic":[88],"results":[89,143],"suggest":[90],"Pb-O":[91],"coordination":[92],"involving":[93,101],"moiety":[96],"N-H\u00b7\u00b7\u00b7I":[98],"hydrogen":[99],"bonding":[100],"moiety,":[104],"defect-passivation":[109],"effect.":[110],"The":[111,128],"GASM-treated":[112],"films":[114],"show":[115],"response,":[120],"larger":[121],"grains,":[122],"longer":[125],"photoluminescence":[126],"lifetime.":[127],"resulting":[129],"n-i-p":[130],"structured":[131],"PSCs":[132],"deliver":[133],"champion":[135],"PCE":[136],"24.43%,":[138],"alongside":[139],"environmental":[140],"stability.":[141],"These":[142],"highlight":[144],"potential":[146],"an":[150],"additive":[151],"improving":[153],"quality":[156],"suppressing":[158],"defect-assisted":[159],"nonradiative":[160],"recombination,":[161],"contributing":[162],"enhanced":[164],"photovoltaic":[165],"performance.":[166]},"counts_by_year":[],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2026-11-06T00:00:00"}