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dc.contributor.authorFukushima, Tatsuyaen
dc.contributor.authorKimura, Hironobuen
dc.contributor.authorShimahara, Yurieen
dc.contributor.authorKaji, Hironorien
dc.contributor.alternative梶, 弘典ja
dc.date.accessioned2012-01-10T01:27:25Z-
dc.date.available2012-01-10T01:27:25Z-
dc.date.issued2011-11-
dc.identifier.issn0003-6951-
dc.identifier.urihttp://hdl.handle.net/2433/152173-
dc.description.abstractThe origin of the improvement in power conversion efficiency (PCE) by the thermal annealing of bulk heterojunction organic solar cells, based on regioregular poly(3-hexylthiophene-2,5-diyl) (rrP3HT) and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM), is analyzed via solid-state nuclear magnetic resonance (NMR). 1H spin-lattice relaxation experiments of solid-state NMR clearly reveal that the phase-separated heterojunction structure develops on the order of several tens of nanometers in rrP3HT/PCBM blend films with thermal annealing at 150 °C. The development of the phase-separated structure explains the increase in the PCE for the solar cell system from 0.7% to nearly 3% through the thermal annealing.en
dc.format.mimetypeapplication/pdf-
dc.language.isoeng-
dc.publisherAmerican Institute of Physicsen
dc.rights© 2011 American Institute of Physicsen
dc.subjectannealingen
dc.subjectphase separationen
dc.subjectpolymer blendsen
dc.subjectpower conversionen
dc.subjectproton magnetic resonanceen
dc.subjectsolar cellsen
dc.subjectspin-lattice relaxationen
dc.subjectthin film devicesen
dc.titleSolid-state nuclear magnetic resonance analysis of phase separation behavior of regioregular poly(3-hexylthiophene) and [6,6]-phenyl-C61-butyric acid methyl ester in bulk heterojunction organic solar cellsen
dc.typejournal article-
dc.type.niitypeJournal Article-
dc.identifier.ncidAA00543431-
dc.identifier.jtitleApplied Physics Lettersen
dc.identifier.volume99-
dc.identifier.issue22-
dc.relation.doi10.1063/1.3662854-
dc.textversionpublisher-
dc.identifier.artnum223301-
dcterms.accessRightsopen access-
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