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Fluorination on both D and A units in D-A type conjugated copolymers based on difluorobithiophene and benzothiadiazole for highly efficient polymer solar cells
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Jo, Jea Woong | - |
dc.contributor.author | Jung, Jae Woong | - |
dc.contributor.author | Jung, Eui Hyuk | - |
dc.contributor.author | Ahn, Hyungju | - |
dc.contributor.author | Shin, Tae Joo | - |
dc.contributor.author | Jo, Won Ho | - |
dc.date.accessioned | 2015-12-11T09:01:53Z | - |
dc.date.available | 2015-12-11T09:01:53Z | - |
dc.date.created | 2018-08-28 | - |
dc.date.issued | 2015-08 | - |
dc.identifier.citation | Energy and Environmental Sciences, Vol.8 No.8, pp.2427-2434 | - |
dc.identifier.issn | 1754-5692 | - |
dc.identifier.uri | https://hdl.handle.net/10371/94785 | - |
dc.description.abstract | Fluorination of conjugated polymers is one of the effective strategies to tune the frontier energy levels for achieving high efficiency polymer solar cells. In this study, three fluorinated D-A polymers, consisting of 3,3'-difluoro-2,2'-bithiophene and 2,1,3-benzothiadiazole (BT) with different numbers of fluorine substitution, were synthesized in order to investigate the effect of fluorination on their photovoltaic properties. The polymers with fluorinated BT show lower frontier energy levels, improved polymer ordering, and a narrower fibril size in the blend with PC71BM. The polymer with mono-fluorinated BT exhibits a superior PCE of 9.14% due to a high SCLC hole mobility, mixed orientation of polymer crystals in the active layer, and low bimolecular recombination. This result demonstrates that the fluorine content in conjugated polymers should be controlled for optimizing optoelectrical and photovoltaic properties of fluorinated conjugated polymers. | - |
dc.language | 영어 | - |
dc.language.iso | en | - |
dc.publisher | Royal Society of Chemistry | - |
dc.title | Fluorination on both D and A units in D-A type conjugated copolymers based on difluorobithiophene and benzothiadiazole for highly efficient polymer solar cells | - |
dc.type | Article | - |
dc.contributor.AlternativeAuthor | 조제웅 | - |
dc.contributor.AlternativeAuthor | 정재웅 | - |
dc.contributor.AlternativeAuthor | 정의혁 | - |
dc.contributor.AlternativeAuthor | 안형주 | - |
dc.contributor.AlternativeAuthor | 신태주 | - |
dc.contributor.AlternativeAuthor | 조원호 | - |
dc.identifier.doi | 10.1039/c5ee00855g | - |
dc.citation.journaltitle | Energy and Environmental Sciences | - |
dc.identifier.wosid | 000358730600021 | - |
dc.identifier.scopusid | 2-s2.0-84938354917 | - |
dc.description.srnd | OAIID:oai:osos.snu.ac.kr:snu2015-01/102/0000001236/8 | - |
dc.description.srnd | ADJUST_YN:N | - |
dc.description.srnd | EMP_ID:A004558 | - |
dc.description.srnd | DEPT_CD:445 | - |
dc.description.srnd | CITE_RATE:20.523 | - |
dc.description.srnd | FILENAME:fluorination on both d and a units in.pdf | - |
dc.description.srnd | DEPT_NM:재료공학부 | - |
dc.description.srnd | SCOPUS_YN:N | - |
dc.description.srnd | CONFIRM:Y | - |
dc.citation.endpage | 2434 | - |
dc.citation.number | 8 | - |
dc.citation.startpage | 2427 | - |
dc.citation.volume | 8 | - |
dc.description.isOpenAccess | N | - |
dc.contributor.affiliatedAuthor | Jo, Won Ho | - |
dc.identifier.srnd | 2015-01/102/0000001236/8 | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.subject.keywordPlus | OPEN-CIRCUIT VOLTAGE | - |
dc.subject.keywordPlus | BAND-GAP | - |
dc.subject.keywordPlus | PHOTOVOLTAIC PROPERTIES | - |
dc.subject.keywordPlus | SIDE-CHAINS | - |
dc.subject.keywordPlus | SEMICONDUCTING POLYMER | - |
dc.subject.keywordPlus | ORGANIC PHOTOVOLTAICS | - |
dc.subject.keywordPlus | CHARGE-TRANSPORT | - |
dc.subject.keywordPlus | PERFORMANCE | - |
dc.subject.keywordPlus | MORPHOLOGY | - |
dc.subject.keywordPlus | MOBILITY | - |
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