{"id":"https://openalex.org/W7220445251","doi":"https://doi.org/10.26434/chemrxiv.15009871/v1","title":"Polymorph Influence on Sequential Anion Exchange Doping and Charge Transport in Poly(didodecyl-quaterthiophene) (PQT) for Organic Thermoelectrics","display_name":"Polymorph Influence on Sequential Anion Exchange Doping and Charge Transport in Poly(didodecyl-quaterthiophene) (PQT) for Organic Thermoelectrics","publication_year":2026,"publication_date":"2026-10-05","ids":{"openalex":"https://openalex.org/W7220445251","doi":"https://doi.org/10.26434/chemrxiv.15009871/v1"},"language":"en","primary_location":{"id":"doi:10.26434/chemrxiv.15009871/v1","doi":"https://doi.org/10.26434/chemrxiv.15009871/v1","is_oa":true,"landing_page_url":"https://doi.org/10.26434/chemrxiv.15009871/v1","pdf_url":"https://chemrxiv.org/doi/pdf/10.26434/chemrxiv.15009871/v1","source":{"id":"https://openalex.org/S4393918830","display_name":"ChemRxiv","issn_l":"2573-2293","issn":["2573-2293"],"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":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"posted-content"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://chemrxiv.org/doi/pdf/10.26434/chemrxiv.15009871/v1","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5103075993","display_name":"Jiehao Chen","orcid":"https://orcid.org/0009-0006-8843-0639","observed_orcids":["https://orcid.org/0009-0006-8843-0639"]},"institutions":[{"id":"https://openalex.org/I40347166","display_name":"University of Chicago","ror":"https://ror.org/024mw5h28","country_code":"US","type":"education","lineage":["https://openalex.org/I40347166"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jie-Hao Chen","raw_affiliation_strings":["Department of Chemistry , University of Chicago , Chicago , IL 60637 , USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry , University of Chicago , Chicago , IL 60637 , USA","institution_ids":["https://openalex.org/I40347166"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008715172","display_name":"Naisong Shan","orcid":"https://orcid.org/0000-0002-1476-6539","observed_orcids":["https://orcid.org/0000-0002-1476-6539"]},"institutions":[{"id":"https://openalex.org/I40347166","display_name":"University of Chicago","ror":"https://ror.org/024mw5h28","country_code":"US","type":"education","lineage":["https://openalex.org/I40347166"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Naisong Shan","raw_affiliation_strings":["Pritzker School of Molecular Engineering","University of Chicago"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Pritzker School of Molecular Engineering","institution_ids":["https://openalex.org/I40347166"]},{"raw_affiliation_string":"University of Chicago","institution_ids":["https://openalex.org/I40347166"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101886873","display_name":"Yunhao Zhao","orcid":"https://orcid.org/0009-0006-3737-3363","observed_orcids":["https://orcid.org/0009-0006-3737-3363"]},"institutions":[{"id":"https://openalex.org/I40347166","display_name":"University of Chicago","ror":"https://ror.org/024mw5h28","country_code":"US","type":"education","lineage":["https://openalex.org/I40347166"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yunhao Zhao","raw_affiliation_strings":["Pritzker School of Molecular Engineering","University of Chicago"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Pritzker School of Molecular Engineering","institution_ids":["https://openalex.org/I40347166"]},{"raw_affiliation_string":"University of Chicago","institution_ids":["https://openalex.org/I40347166"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087052931","display_name":"Alexander S. Filatov","orcid":"https://orcid.org/0000-0002-8378-1994","observed_orcids":["https://orcid.org/0000-0002-8378-1994"]},"institutions":[{"id":"https://openalex.org/I40347166","display_name":"University of Chicago","ror":"https://ror.org/024mw5h28","country_code":"US","type":"education","lineage":["https://openalex.org/I40347166"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Alexander Filatov","raw_affiliation_strings":["Department of Chemistry","University of Chicago"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry","institution_ids":[]},{"raw_affiliation_string":"University of Chicago","institution_ids":["https://openalex.org/I40347166"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064222985","display_name":"Sihong Wang","orcid":"https://orcid.org/0000-0002-3611-0004","observed_orcids":["https://orcid.org/0000-0002-3611-0004"]},"institutions":[{"id":"https://openalex.org/I40347166","display_name":"University of Chicago","ror":"https://ror.org/024mw5h28","country_code":"US","type":"education","lineage":["https://openalex.org/I40347166"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sihong Wang","raw_affiliation_strings":["Pritzker School of Molecular Engineering","University of Chicago"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Pritzker School of Molecular Engineering","institution_ids":["https://openalex.org/I40347166"]},{"raw_affiliation_string":"University of Chicago","institution_ids":["https://openalex.org/I40347166"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5003276517","display_name":"Shrayesh N. Patel","orcid":"https://orcid.org/0000-0003-3657-827X","observed_orcids":["https://orcid.org/0000-0003-3657-827X"]},"institutions":[{"id":"https://openalex.org/I40347166","display_name":"University of Chicago","ror":"https://ror.org/024mw5h28","country_code":"US","type":"education","lineage":["https://openalex.org/I40347166"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Shrayesh Patel","raw_affiliation_strings":["Pritzker School of Molecular Engineering , University of Chicago , Chicago , IL 60637 , USA"],"raw_orcid":"https://orcid.org/0000-0003-3657-827X","affiliations":[{"raw_affiliation_string":"Pritzker School of Molecular Engineering , University of Chicago , Chicago , IL 60637 , USA","institution_ids":["https://openalex.org/I40347166"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I40347166"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"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/T10440","display_name":"Advanced Thermoelectric Materials and Devices","score":0.951200008392334,"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"}},"topics":[{"id":"https://openalex.org/T10440","display_name":"Advanced Thermoelectric Materials and Devices","score":0.951200008392334,"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/T10660","display_name":"Conducting polymers and applications","score":0.021800000220537186,"subfield":{"id":"https://openalex.org/subfields/2507","display_name":"Polymers and Plastics"},"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/T10045","display_name":"Organic Electronics and Photovoltaics","score":0.007699999958276749,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/organic-thermoelectric-materials","display_name":"organic thermoelectrics","score":0.9629999995231628},{"id":"https://openalex.org/keywords/polymorphism","display_name":"polymorphism","score":0.8019999861717224},{"id":"https://openalex.org/keywords/sequential-doping","display_name":"sequential doping","score":0.6380000114440918},{"id":"https://openalex.org/keywords/ferric-chloride","display_name":"ferric chloride","score":0.8389999866485596},{"id":"https://openalex.org/keywords/litfsi","display_name":"LiTFSI","score":0.9850000143051147},{"id":"https://openalex.org/keywords/charge-transport","display_name":"charge transport","score":0.7960000038146973},{"id":"https://openalex.org/keywords/power-factor","display_name":"power factor","score":0.6869999766349792},{"id":"https://openalex.org/keywords/lamellar-spacing","display_name":"lamellar spacing","score":0.7110000252723694},{"id":"https://openalex.org/keywords/annealing","display_name":"annealing","score":0.9129999876022339},{"id":"https://openalex.org/keywords/microstructural-gradients","display_name":"microstructure gradient","score":0.6660000085830688}],"concepts":[{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.5885000228881836},{"id":"https://openalex.org/C57863236","wikidata":"https://www.wikidata.org/wiki/Q1130571","display_name":"Doping","level":2,"score":0.5839999914169312},{"id":"https://openalex.org/C207365445","wikidata":"https://www.wikidata.org/wiki/Q15020929","display_name":"Thermoelectric materials","level":3,"score":0.5667999982833862},{"id":"https://openalex.org/C188082385","wikidata":"https://www.wikidata.org/wiki/Q73792","display_name":"Charge (physics)","level":2,"score":0.5117999911308289},{"id":"https://openalex.org/C63024428","wikidata":"https://www.wikidata.org/wiki/Q552456","display_name":"Thermoelectric effect","level":2,"score":0.4526999890804291},{"id":"https://openalex.org/C145148216","wikidata":"https://www.wikidata.org/wiki/Q36496","display_name":"Ion","level":2,"score":0.4415999948978424},{"id":"https://openalex.org/C2986192222","wikidata":"https://www.wikidata.org/wiki/Q389137","display_name":"Charge exchange","level":3,"score":0.38429999351501465},{"id":"https://openalex.org/C179104552","wikidata":"https://www.wikidata.org/wiki/Q11165","display_name":"Inorganic chemistry","level":1,"score":0.34139999747276306},{"id":"https://openalex.org/C159467904","wikidata":"https://www.wikidata.org/wiki/Q2001702","display_name":"Chemical physics","level":1,"score":0.3294999897480011},{"id":"https://openalex.org/C69990965","wikidata":"https://www.wikidata.org/wiki/Q65402698","display_name":"Electrical resistivity and conductivity","level":2,"score":0.31380000710487366},{"id":"https://openalex.org/C42360764","wikidata":"https://www.wikidata.org/wiki/Q83588","display_name":"Chemical engineering","level":1,"score":0.3124000132083893},{"id":"https://openalex.org/C147789679","wikidata":"https://www.wikidata.org/wiki/Q11372","display_name":"Physical chemistry","level":1,"score":0.298799991607666},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.2928999960422516},{"id":"https://openalex.org/C117760992","wikidata":"https://www.wikidata.org/wiki/Q389137","display_name":"Ion exchange","level":3,"score":0.29249998927116394},{"id":"https://openalex.org/C171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","level":1,"score":0.2662000060081482}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.26434/chemrxiv.15009871/v1","doi":"https://doi.org/10.26434/chemrxiv.15009871/v1","is_oa":true,"landing_page_url":"https://doi.org/10.26434/chemrxiv.15009871/v1","pdf_url":"https://chemrxiv.org/doi/pdf/10.26434/chemrxiv.15009871/v1","source":{"id":"https://openalex.org/S4393918830","display_name":"ChemRxiv","issn_l":"2573-2293","issn":["2573-2293"],"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":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"posted-content"}],"best_oa_location":{"id":"doi:10.26434/chemrxiv.15009871/v1","doi":"https://doi.org/10.26434/chemrxiv.15009871/v1","is_oa":true,"landing_page_url":"https://doi.org/10.26434/chemrxiv.15009871/v1","pdf_url":"https://chemrxiv.org/doi/pdf/10.26434/chemrxiv.15009871/v1","source":{"id":"https://openalex.org/S4393918830","display_name":"ChemRxiv","issn_l":"2573-2293","issn":["2573-2293"],"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":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"posted-content"},"sustainable_development_goals":[{"score":0.4000000059604645,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"study_designs":[],"awards":[{"id":"https://openalex.org/G3028541427","display_name":"Materials Research Science and Engineering Center","funder_award_id":"2011854","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G4657484576","display_name":null,"funder_award_id":"2011854","funder_id":"https://openalex.org/F4320337367","funder_display_name":"Division of Materials Research"},{"id":"https://openalex.org/G8048112891","display_name":null,"funder_award_id":"DMR-2011854","funder_id":"https://openalex.org/F4320337367","funder_display_name":"Division of Materials Research"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320337367","display_name":"Division of Materials Research","ror":"https://ror.org/01pc7k308"},{"id":"https://openalex.org/F4320338381","display_name":"SLAC National Accelerator Laboratory","ror":"https://ror.org/05gzmn429"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7220445251.pdf","grobid_xml":"https://content.openalex.org/works/W7220445251.grobid-xml"},"referenced_works_count":46,"referenced_works":["https://openalex.org/W1967033813","https://openalex.org/W1967288675","https://openalex.org/W1975834815","https://openalex.org/W1992486048","https://openalex.org/W2010419212","https://openalex.org/W2030635245","https://openalex.org/W2056580069","https://openalex.org/W2062932347","https://openalex.org/W2075093418","https://openalex.org/W2114595608","https://openalex.org/W2115697388","https://openalex.org/W2148596493","https://openalex.org/W2306450331","https://openalex.org/W2312433976","https://openalex.org/W2317506299","https://openalex.org/W2475581948","https://openalex.org/W2625103029","https://openalex.org/W2739014902","https://openalex.org/W2757544401","https://openalex.org/W2759838195","https://openalex.org/W2791882698","https://openalex.org/W2970666733","https://openalex.org/W3011741247","https://openalex.org/W3039542320","https://openalex.org/W3088600874","https://openalex.org/W3124587588","https://openalex.org/W3176260187","https://openalex.org/W3193066225","https://openalex.org/W3199743385","https://openalex.org/W3200839008","https://openalex.org/W4223530791","https://openalex.org/W4281675420","https://openalex.org/W4282946779","https://openalex.org/W4308475590","https://openalex.org/W4309039825","https://openalex.org/W4315471182","https://openalex.org/W4386154672","https://openalex.org/W4406340050","https://openalex.org/W4412922603","https://openalex.org/W4413394958","https://openalex.org/W4415534118","https://openalex.org/W7101432926","https://openalex.org/W7128159596","https://openalex.org/W7129402300","https://openalex.org/W7155598812","https://openalex.org/W7204826215"],"related_works":["https://openalex.org/W7165044759","https://openalex.org/W7204826215","https://openalex.org/W3048602065","https://openalex.org/W7164576751","https://openalex.org/W2062932347","https://openalex.org/W4362668949","https://openalex.org/W3209652764","https://openalex.org/W3200839008","https://openalex.org/W3201612155","https://openalex.org/W4410412342"],"abstract_inverted_index":{"Anion":[0],"exchange":[1],"doping":[2,134],"(AED)":[3],"is":[4,146],"a":[5,54,65,71,81,120,147],"key":[6],"strategy":[7],"for":[8,85,102,150],"optimizing":[9],"organic":[10],"thermoelectrics":[11],"(OTEs).However,":[12],"the":[13,30,92,129,143],"influence":[14],"of":[15,67,91,124],"specific":[16],"polymer":[17],"microstructures":[18],"like":[19],"polymorphs":[20],"on":[21],"AED":[22,41,62],"has":[23],"received":[24],"relatively":[25],"little":[26],"attention.Here,":[27],"we":[28,59],"investigate":[29],"interplay":[31],"between":[32],"thermally":[33],"induced":[34],"polymorphism":[35,78],"in":[36,157],"poly(dodecyl-quaterthiophene)":[37],"(PQT)":[38],"and":[39,45,106,119,136,154],"sequential":[40],"efficiency":[42],"using":[43],"FeCl3":[44],"lithium":[46],"bis(trifluoromethanesulfonyl)imide":[47],"(LiTFSI).By":[48],"precisely":[49],"fabricating":[50],"microstructural":[51],"gradients":[52],"via":[53],"custom":[55],"thermal":[56],"annealing":[57,97],"stage,":[58],"rapidly":[60],"screen":[61],"behavior":[63],"across":[64],"spectrum":[66],"structural":[68,137],"states":[69],"within":[70],"single":[72],"PQT":[73],"film.We":[74],"reveal":[75],"that":[76,141],"pre-set":[77],"acts":[79],"as":[80,112,114],"fundamental":[82],"gating":[83],"mechanism":[84],"dopant":[86,104],"infiltration.The":[87],"expanded":[88],"lamellar":[89],"spacing":[90],"(100)":[93,144],"polymorph,":[94],"formed":[95],"after":[96],"at":[98],"elevated":[99],"temperatures,":[100],"allows":[101],"greater":[103],"uptake,":[105],"thus":[107],"enables":[108],"electronic":[109],"conductivity":[110],"(\uf073)":[111],"high":[113],"522.0":[115],"\u00b1":[116],"23.0":[117],"S/cm":[118],"maximum":[121],"power":[122],"factor":[123],"15.4":[125],"\u03bcW/mK":[126],"2":[127],".Conversely,":[128],"tighter":[130],"(100)'":[131],"polymorph":[132,145],"restricts":[133],"level":[135],"ordering.This":[138],"work":[139],"establishes":[140],"pre-forming":[142],"critical":[148],"prerequisite":[149],"maximizing":[151],"charge":[152],"transport":[153],"thermoelectric":[155],"performance":[156],"sequentially":[158],"doped":[159],"PQT.":[160]},"counts_by_year":[],"updated_date":"2026-11-09T13:22:03.289127","created_date":"2026-10-06T00:00:00"}