DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kim, Jin-Seck | ko |
dc.contributor.author | Kim, Sun-Hee | ko |
dc.contributor.author | Jung, In-Hwan | ko |
dc.contributor.author | Jeong, Eun-Jae | ko |
dc.contributor.author | Xia, Yangjun | ko |
dc.contributor.author | Cho, Shin-Uk | ko |
dc.contributor.author | Hwang, In-Wook | ko |
dc.contributor.author | Lee, Kwang-Hee | ko |
dc.contributor.author | Suh, Hong-Suk | ko |
dc.contributor.author | Shim, Hong-Ku | ko |
dc.contributor.author | Woo, Han-Young | ko |
dc.date.accessioned | 2013-03-12T22:24:47Z | - |
dc.date.available | 2013-03-12T22:24:47Z | - |
dc.date.created | 2012-02-06 | - |
dc.date.created | 2012-02-06 | - |
dc.date.issued | 2010 | - |
dc.identifier.citation | JOURNAL OF MATERIALS CHEMISTRY, v.20, no.8, pp.1577 - 1586 | - |
dc.identifier.issn | 0959-9428 | - |
dc.identifier.uri | http://hdl.handle.net/10203/103719 | - |
dc.description.abstract | Two types of indenofluorene-based low bandgap conjugated polymers, poly(6,6',12,12'-tetraoctylindeno[1,2-b] fluorene-co-4,7-bis(2-thienyl)-2,1,3-benzothiadiazole) (PIF-DBT) and poly(6,6',12,12'-tetraoctylindeno[1,2-b] fluorene-co-5,7-dithien-2-yl-thieno[3,4-b] pyrazine) (PIF-DTP), were synthesized and characterized for use in plastic solar cells. The optical, electrochemical, charge carrier mobility, morphological and photovoltaic characteristics were investigated. The number-average molecular weights of the polymers measured by gel permeation chromatography ranged from 19 000 to 27 000 g mol(-1). The polymers were fairly soluble in common organic solvents and formed optical-quality films by spin casting. Photophysical studies revealed a low bandgap of similar to 1.9 eV for PIF-DBT and similar to 1.6 eV for PIF-DTP, respectively, which could harvest the broad solar spectrum covering from 300 nm to 650 nm (PIF-DBT), and from 300 nm to 800 nm (PIF-DTP) in film. An electrochemical study confirmed the desirable HOMO/LUMO levels of the copolymers, which enable efficient electron transfer and a high open circuit voltage when blending them with fullerene derivatives. The field effect mobility measurements showed a hole mobility of 10(-5) x 10(-3) cm(2) V(-1) s(-1) for the copolymers. The film surface morphology was also studied by atomic force microscopy. Among the polyindenofluorene copolymers, PIF-DBT50 (containing 50 mol% DBT) showed the best photovoltaic performance with an open circuit voltage of 0.77 V, a short circuit current of 5.50 mA cm(-2) and a power conversion efficiency of 1.70% when the polymers were blended with PC(71)BM, under air mass 1.5 global (AM 1.5G, 100 mW cm(-2)) illumination conditions. | - |
dc.language | English | - |
dc.publisher | ROYAL SOC CHEMISTRY | - |
dc.subject | POLYMER SOLAR-CELLS | - |
dc.subject | CONJUGATED POLYMERS | - |
dc.subject | PERFORMANCE | - |
dc.subject | EFFICIENT | - |
dc.subject | GAP | - |
dc.subject | POLYFLUORENE | - |
dc.subject | DERIVATIVES | - |
dc.subject | 2,1,3-BENZOTHIADIAZOLE | - |
dc.subject | POLY(3-HEXYLTHIOPHENE) | - |
dc.subject | POLYHYDROCARBON | - |
dc.title | Synthesis and characterization of indeno[1,2-b]fluorene-based low bandgap copolymers for photovoltaic cells | - |
dc.type | Article | - |
dc.identifier.wosid | 000274396900025 | - |
dc.identifier.scopusid | 2-s2.0-76349098924 | - |
dc.type.rims | ART | - |
dc.citation.volume | 20 | - |
dc.citation.issue | 8 | - |
dc.citation.beginningpage | 1577 | - |
dc.citation.endingpage | 1586 | - |
dc.citation.publicationname | JOURNAL OF MATERIALS CHEMISTRY | - |
dc.identifier.doi | 10.1039/b919033c | - |
dc.contributor.localauthor | Shim, Hong-Ku | - |
dc.contributor.nonIdAuthor | Kim, Jin-Seck | - |
dc.contributor.nonIdAuthor | Kim, Sun-Hee | - |
dc.contributor.nonIdAuthor | Jeong, Eun-Jae | - |
dc.contributor.nonIdAuthor | Xia, Yangjun | - |
dc.contributor.nonIdAuthor | Cho, Shin-Uk | - |
dc.contributor.nonIdAuthor | Hwang, In-Wook | - |
dc.contributor.nonIdAuthor | Lee, Kwang-Hee | - |
dc.contributor.nonIdAuthor | Suh, Hong-Suk | - |
dc.contributor.nonIdAuthor | Woo, Han-Young | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordPlus | POLYMER SOLAR-CELLS | - |
dc.subject.keywordPlus | CONJUGATED POLYMERS | - |
dc.subject.keywordPlus | PERFORMANCE | - |
dc.subject.keywordPlus | EFFICIENT | - |
dc.subject.keywordPlus | GAP | - |
dc.subject.keywordPlus | POLYFLUORENE | - |
dc.subject.keywordPlus | DERIVATIVES | - |
dc.subject.keywordPlus | 2,1,3-BENZOTHIADIAZOLE | - |
dc.subject.keywordPlus | POLY(3-HEXYLTHIOPHENE) | - |
dc.subject.keywordPlus | POLYHYDROCARBON | - |
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