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DC Field | Value | Language |
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dc.citation.endPage | 410 | - |
dc.citation.number | 1 | - |
dc.citation.startPage | 403 | - |
dc.citation.title | MATERIALS HORIZONS | - |
dc.citation.volume | 9 | - |
dc.contributor.author | Qi, Feng | - |
dc.contributor.author | Jones, Leighton O. | - |
dc.contributor.author | Jiang, Kui | - |
dc.contributor.author | Jang, Sei-Hum | - |
dc.contributor.author | Kaminsky, Werner | - |
dc.contributor.author | Oh, Jiyeon | - |
dc.contributor.author | Zhang, Hongna | - |
dc.contributor.author | Cai, Zongwei | - |
dc.contributor.author | Yang, Changduk | - |
dc.contributor.author | Kohlstedt, Kevin L. | - |
dc.contributor.author | Schatz, George C. | - |
dc.contributor.author | Lin, Francis R. | - |
dc.contributor.author | Marks, Tobin J. | - |
dc.contributor.author | Jen, Alex K. -Y. | - |
dc.date.accessioned | 2023-12-21T14:44:46Z | - |
dc.date.available | 2023-12-21T14:44:46Z | - |
dc.date.created | 2021-11-17 | - |
dc.date.issued | 2022-01 | - |
dc.description.abstract | The rapid development of non-fullerene acceptors (NFAs) with strong near-infrared absorption has led to remarkably enhanced short-circuit current density (J(sc)) values in organic solar cells (OSCs). NFAs based on the benzotriazole (Bz) fused-ring pi-core have great potential in delivering both high J(sc) and decent open-circuit voltage values due to their strong intramolecular charge transfer with reasonably low energy loss. In this work, we have designed and synthesized a series of Bz-based NFAs, PN6SBO-4F, AN6SBO-4F and EHN6SEH-4F, via regiospecific N-alkyl engineering based on the high-performance NFA mBzS-4F that was reported previously. The molecular packing of mBzS-4F, AN6SBO-4F, and EHN6SEH-4F single crystals was analyzed using X-ray crystallography in order to provide a comprehensive understanding of the correlation between the molecular structure, the charge-transporting properties, and the solar cell performance. Compared with the typical honeycomb single-crystal structure of Y6 derivatives, these NFAs exhibit distinctly different molecular packing patterns. The strong interactions of terminal indanone groups in mBzS-4F and the J-aggregate-like packing in EHN6SEH-4F lead to the formation of ordered 3D networks in single-crystals with channels for efficient charge transport. Consequently, OSCs based on mBzS-4F and EHN6SEH-4F show efficient photon-to-current conversions, achieving the highest power conversion efficiency of 17.48% with a J(sc) of 28.83 mA cm(-2). | - |
dc.identifier.bibliographicCitation | MATERIALS HORIZONS, v.9, no.1, pp.403 - 410 | - |
dc.identifier.doi | 10.1039/d1mh01127h | - |
dc.identifier.issn | 2051-6347 | - |
dc.identifier.scopusid | 2-s2.0-85122889726 | - |
dc.identifier.uri | https://scholarworks.unist.ac.kr/handle/201301/54892 | - |
dc.identifier.url | https://pubs.rsc.org/en/content/articlelanding/2021/MH/D1MH01127H | - |
dc.identifier.wosid | 000708630500001 | - |
dc.language | 영어 | - |
dc.publisher | ROYAL SOC CHEMISTRY | - |
dc.title | Regiospecific N-alkyl substitution tunes the molecular packing of high-performance non-fullerene acceptors | - |
dc.type | Article | - |
dc.description.isOpenAccess | FALSE | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Multidisciplinary; Materials Science, Multidisciplinary | - |
dc.relation.journalResearchArea | Chemistry; Materials Science | - |
dc.type.docType | Article; Early Access | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.subject.keywordPlus | POLYMER SOLAR-CELLS | - |
dc.subject.keywordPlus | PHOTOVOLTAIC PERFORMANCE | - |
dc.subject.keywordPlus | CONJUGATED POLYMERS | - |
dc.subject.keywordPlus | PHOTOCURRENT | - |
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