Efficient Solvent-Assisted Post-Treatment for Molecular Rearrangement of Sprayed Polymer Field-Effect Transistors

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dc.contributor.authorPark,, Hye-Yunko
dc.contributor.authorYang, Hoi-Changko
dc.contributor.authorChoi, Si-Kyungko
dc.contributor.authorJang, Sung-Yeonko
dc.date.accessioned2013-03-09T19:29:24Z-
dc.date.available2013-03-09T19:29:24Z-
dc.date.created2012-04-03-
dc.date.created2012-04-03-
dc.date.issued2012-01-
dc.identifier.citationACS APPLIED MATERIALS INTERFACES, v.4, no.1, pp.214 - 221-
dc.identifier.issn1944-8244-
dc.identifier.urihttp://hdl.handle.net/10203/97295-
dc.description.abstractPolymer-based field-effect transistors are fabricated using the gas-assisted spray technique, and their performance is considerably improved when a solvent-assisted post-treatment method, solvent sprayed overlayer (SSO), is used. The SSO method is a unique treatment that can facilitate chain packing to increase crystallinity within the sprayed polymer layers, which inherently have a kinetically trapped amorphous chain morphology with lack of crystallinity due to rapid solvent evaporation. The device performance was drastically improved after SSO relative to conventional post-treatment, thermal annealing (TA). This occurred because SSO can rearrange the polymer chains into a dominantly edge-on crystal orientation, which is preferential for charge transport, whereas TA increases the crystallinity without rearrangement of the crystal orientation resulting in a complex of edge-on and face-on. The development of edge-on crystal domains after SSO within the active layers was responsible for the significant improvement in performance. The SSO is a simple and effective post-treatment method that validates the use of spray process and holds promise for use in other high-throughput processes for OFETs fabrication.-
dc.languageEnglish-
dc.publisherAMER CHEMICAL SOC-
dc.subjectTHIN-FILM TRANSISTORS-
dc.subjectREGIOREGULAR POLY(3-HEXYL THIOPHENE)-
dc.subjectCHARGE-TRANSPORT-
dc.subjectEFFECT MOBILITY-
dc.subjectCONJUGATED POLYMERS-
dc.subjectPERFORMANCE-
dc.subjectPOLYTHIOPHENE-
dc.subjectMORPHOLOGY-
dc.subjectWEIGHT-
dc.subjectSEMICONDUCTOR-
dc.titleEfficient Solvent-Assisted Post-Treatment for Molecular Rearrangement of Sprayed Polymer Field-Effect Transistors-
dc.typeArticle-
dc.identifier.wosid000299409500036-
dc.identifier.scopusid2-s2.0-84863071738-
dc.type.rimsART-
dc.citation.volume4-
dc.citation.issue1-
dc.citation.beginningpage214-
dc.citation.endingpage221-
dc.citation.publicationnameACS APPLIED MATERIALS INTERFACES-
dc.identifier.doi10.1021/am201274s-
dc.contributor.localauthorChoi, Si-Kyung-
dc.contributor.nonIdAuthorYang, Hoi-Chang-
dc.contributor.nonIdAuthorJang, Sung-Yeon-
dc.type.journalArticleArticle-
dc.subject.keywordAuthororganic thin film transistor-
dc.subject.keywordAuthorspray deposition-
dc.subject.keywordAuthorsolvent assisted treatment-
dc.subject.keywordAuthorpoly(3-hexylthiophene)-
dc.subject.keywordAuthormolecular packing-
dc.subject.keywordPlusTHIN-FILM TRANSISTORS-
dc.subject.keywordPlusREGIOREGULAR POLY(3-HEXYL THIOPHENE)-
dc.subject.keywordPlusCHARGE-TRANSPORT-
dc.subject.keywordPlusEFFECT MOBILITY-
dc.subject.keywordPlusCONJUGATED POLYMERS-
dc.subject.keywordPlusPERFORMANCE-
dc.subject.keywordPlusPOLYTHIOPHENE-
dc.subject.keywordPlusMORPHOLOGY-
dc.subject.keywordPlusWEIGHT-
dc.subject.keywordPlusSEMICONDUCTOR-
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