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Charge transport in amorphous low bandgap conjugated polymer/fullerene films
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kim, Jung Yong | - |
dc.contributor.author | Cho, Hyunduck | - |
dc.contributor.author | Noh, Seunguk | - |
dc.contributor.author | Lee, Yoonkyoo | - |
dc.contributor.author | Nam, Young Min | - |
dc.contributor.author | Lee, Changhee | - |
dc.contributor.author | Jo, Won Ho | - |
dc.date.accessioned | 2023-12-11T07:46:14Z | - |
dc.date.available | 2023-12-11T07:46:14Z | - |
dc.date.created | 2020-08-26 | - |
dc.date.issued | 2012-02 | - |
dc.identifier.citation | Journal of Applied Physics, Vol.111 No.4, p. 043710 | - |
dc.identifier.issn | 0021-8979 | - |
dc.identifier.uri | https://hdl.handle.net/10371/198650 | - |
dc.description.abstract | The structural and charge transport properties of a low bandgap copolymer poly(3-hexylthiophene-alt-6,7-dimethyl-4,9-bis-(4-hexylthien-2yl)-[1,2,5]thiadiazolo[3,4-g]quinoxaline) (P(3HT-MeTDQ)) and its blend with [6,6]-phenyl-C-61-butyric acid methyl ester (PCBM) are investigated. Thermal analysis, X-ray scattering diffraction (XRD), atomic force microscopy and transmission electron microscopy (TEM) of P(3HT-MeTDQ) reveal that the polymer is amorphous in solid state. As the hole mobility of P(3HT-MeTDQ) was measured by the time-of-flight photoconductivity method, the mobility was 3.35 x 10(-4) cm(2)/Vs, which is very comparable to that of semicrystalline poly(3-hexylthiophene). When the mobility of amorphous P(3HT-MeTDQ) was analyzed according to the Gaussian disorder model, the polymer has the energetic and positional disorders with the values of sigma = 62 meV and Sigma = 1.7, respectively, indicating that the polymer has a relatively narrow Gaussian distribution of transport states. Interestingly, when P(3HT-MeTDQ) is blended with PCBM, the amorphous P(3HT-MeTDQ) becomes partially ordered, as evidenced by observation of two discernible XRD peaks at 20 = 5 degrees (d = 17.7 angstrom) and 25.5 degrees (d = 3.5 angstrom) corresponding to the interchain distance and pi-stacking distance, respectively. The bicontinuous network morphology was identified at the blend with 60 wt.% PCBM by TEM, at which the charge carrier transport changes from hole-only to ambipolar. (C) 2012 American Institute of Physics. [doi:10.1063/1.3686633] | - |
dc.language | 영어 | - |
dc.publisher | American Institute of Physics | - |
dc.title | Charge transport in amorphous low bandgap conjugated polymer/fullerene films | - |
dc.type | Article | - |
dc.identifier.doi | 10.1063/1.3686633 | - |
dc.citation.journaltitle | Journal of Applied Physics | - |
dc.identifier.wosid | 000300948600048 | - |
dc.identifier.scopusid | 2-s2.0-84863275894 | - |
dc.citation.number | 4 | - |
dc.citation.startpage | 043710 | - |
dc.citation.volume | 111 | - |
dc.description.isOpenAccess | N | - |
dc.contributor.affiliatedAuthor | Lee, Changhee | - |
dc.contributor.affiliatedAuthor | Jo, Won Ho | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.subject.keywordPlus | HETEROJUNCTION SOLAR-CELLS | - |
dc.subject.keywordPlus | FIELD-EFFECT TRANSISTORS | - |
dc.subject.keywordPlus | POLYMER-FULLERENE BLENDS | - |
dc.subject.keywordPlus | HIGH-PERFORMANCE | - |
dc.subject.keywordPlus | PHOTOVOLTAIC CELLS | - |
dc.subject.keywordPlus | MOBILITY | - |
dc.subject.keywordPlus | DERIVATIVES | - |
dc.subject.keywordPlus | INSULATORS | - |
dc.subject.keywordPlus | ENERGY | - |
dc.subject.keywordPlus | SEMICONDUCTORS | - |
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