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DC Field | Value | Language |
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dc.citation.startPage | 105106 | - |
dc.citation.title | NANO ENERGY | - |
dc.citation.volume | 77 | - |
dc.contributor.author | Jung, Hyeseung | - |
dc.contributor.author | Jung, A-Ra | - |
dc.contributor.author | Jin, Seon-Mi | - |
dc.contributor.author | Kim, Seah | - |
dc.contributor.author | Heo, Hyojung | - |
dc.contributor.author | Nguyen, Hoai Van T. | - |
dc.contributor.author | Kim, Min Je | - |
dc.contributor.author | Ahn, Pyeongkang | - |
dc.contributor.author | Kim, Myung Hwa | - |
dc.contributor.author | Lee, Youngu | - |
dc.contributor.author | Lee, Kyung-Koo | - |
dc.contributor.author | Cho, Jeong Ho | - |
dc.contributor.author | Lee, Eunji | - |
dc.contributor.author | Kim, BongSoo | - |
dc.date.accessioned | 2023-12-21T16:42:56Z | - |
dc.date.available | 2023-12-21T16:42:56Z | - |
dc.date.created | 2020-12-07 | - |
dc.date.issued | 2020-11 | - |
dc.description.abstract | Advancing the photovoltaic performance of all-polymer solar cells (APSCs) requires a comprehensive understanding of the dependence of the properties of photoactive blend films on the solvents used to process them. We have studied the correlation between the morphology of PTB7-Th:PNDI2OD-T2 blend films prepared using six different processing solvents. Three-dimensional (3D) transmission electron microscopy tomography (TEMT) revealed the influence of the 3D morphology of the PTB7-Th:PNDI2OD-T2 blend films on their photovoltaic performance. The high-performing toluene (TOL)- and o-xylene (XY)-processed blend films displayed power conversion efficiencies (PCEs) of similar to 4%, which contained nanoscopically networked fibrous PNDI2OD-T2 polymer domains. The films processed using the other solvents exhibited partly disconnected domains or unfavorable vertical phase separation. In addition, the use of N-dimethylformamide (DMF), N,N-dimethylacetamide (DMAc), or N-methyl-2-pyrrolidone (NMP) as a solvent additive in XY solution resulted in a substantial improvement in the PCEs to 6.1%. This large enhancement was attributed to the formation of the better-interconnected narrower crystalline fibrillary structure of PNDI2OD-T2 chains with the aid of solvent additives, as clearly elucidated by 3D-TEMT imaging. This work highlights that APSCs processed from benign nonhalogenated solvents with appropriate additives can outperform APSCs processed from toxic halogenated solvents by affording a favorable blend morphology and that 3D TEMT imaging is a powerful and essential tool for characterizing the true morphology of photoactive layers. | - |
dc.identifier.bibliographicCitation | NANO ENERGY, v.77, pp.105106 | - |
dc.identifier.doi | 10.1016/j.nanoen.2020.105106 | - |
dc.identifier.issn | 2211-2855 | - |
dc.identifier.scopusid | 2-s2.0-85088662169 | - |
dc.identifier.uri | https://scholarworks.unist.ac.kr/handle/201301/49497 | - |
dc.identifier.url | https://www.sciencedirect.com/science/article/pii/S2211285520306844?via%3Dihub | - |
dc.identifier.wosid | 000581738300025 | - |
dc.language | 영어 | - |
dc.publisher | ELSEVIER | - |
dc.title | Influence of 3D morphology on the performance of all-polymer solar cells processed using environmentally benign nonhalogenated solvents | - |
dc.type | Article | - |
dc.description.isOpenAccess | FALSE | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied | - |
dc.relation.journalResearchArea | Chemistry; Science & Technology - Other Topics; Materials Science; Physics | - |
dc.type.docType | Article | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.subject.keywordAuthor | Environmentally benign solvent/additive | - |
dc.subject.keywordAuthor | All-polymer solar cell | - |
dc.subject.keywordAuthor | Active layer morphology | - |
dc.subject.keywordAuthor | TEM tomography | - |
dc.subject.keywordAuthor | Molecular dynamics simulation | - |
dc.subject.keywordPlus | POWER CONVERSION EFFICIENCY | - |
dc.subject.keywordPlus | LOW-BANDGAP POLYMER | - |
dc.subject.keywordPlus | MOLECULAR PACKING | - |
dc.subject.keywordPlus | ADDITIVE-FREE | - |
dc.subject.keywordPlus | ACCEPTOR | - |
dc.subject.keywordPlus | ELECTRON | - |
dc.subject.keywordPlus | DONOR | - |
dc.subject.keywordPlus | CRYSTALLINITY | - |
dc.subject.keywordPlus | ORIENTATION | - |
dc.subject.keywordPlus | STABILITY | - |
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