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DC Field | Value | Language |
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dc.citation.endPage | 402 | - |
dc.citation.number | 4 | - |
dc.citation.startPage | 395 | - |
dc.citation.title | ACS MATERIALS LETTERS | - |
dc.citation.volume | 2 | - |
dc.contributor.author | Lee, Jaewon | - |
dc.contributor.author | Song, Seyeong | - |
dc.contributor.author | Huang, Jianfei | - |
dc.contributor.author | Du, Zhifang | - |
dc.contributor.author | Lee, Hansol | - |
dc.contributor.author | Zhu, Ziyue | - |
dc.contributor.author | Ko, Seo-Jin | - |
dc.contributor.author | Thuc-Quyen Nguyen | - |
dc.contributor.author | Kim, Jin Young | - |
dc.contributor.author | Cho, Kilwon | - |
dc.contributor.author | Bazan, Guillermo C. | - |
dc.date.accessioned | 2023-12-21T17:40:31Z | - |
dc.date.available | 2023-12-21T17:40:31Z | - |
dc.date.created | 2021-05-04 | - |
dc.date.issued | 2020-04 | - |
dc.description.abstract | A series of A-pi-D-pi-A-type nonfullerene acceptors (NFAs) was designed and synthesized with the goal of optimizing light absorption and energy losses in near-infrared (NIR) organic solar cells (OSCs) principally through the use of side-chain engineering. Specific molecules include p-O1, o-IO1, p-IO2, and o-IO2 with optical bandgaps of 1.34, 1.28, 1.24, and 1.20 eV, respectively. Manipulating the optoelectronic properties and intermolecular organization by substituting bulky phenylhexyl (p-) for linear octyl chains (o-) and replacing bisalkoxy (-O2) with alkyl-alkoxy combination (-O1) allows one to target energy bandgaps and achieve a favorable bulk heterojunction morphology when in the presence of the donor polymer PTB7-Th. Solar cells based on o-IO1 and PTB7-Th exhibit an optimal power conversion efficiency of 13.1%. The excellent photovoltaic performance obtained with the o-IO1 acceptor can be attributed to a short-circuit current of 26.3 mA cm(-2) and energy losses on the order of 0.54 eV. These results further highlight how side-chain engineering is a straightforward strategy to tune the molecular design of n-type molecular semiconductors, particularly in the context of NIR high-efficiency organic photovoltaics. | - |
dc.identifier.bibliographicCitation | ACS MATERIALS LETTERS, v.2, no.4, pp.395 - 402 | - |
dc.identifier.doi | 10.1021/acsmaterialslett.9b00512 | - |
dc.identifier.issn | 2639-4979 | - |
dc.identifier.scopusid | 2-s2.0-85084220573 | - |
dc.identifier.uri | https://scholarworks.unist.ac.kr/handle/201301/52831 | - |
dc.identifier.url | https://pubs.acs.org/doi/10.1021/acsmaterialslett.9b00512 | - |
dc.identifier.wosid | 000526398200013 | - |
dc.language | 영어 | - |
dc.publisher | AMER CHEMICAL SOC | - |
dc.title | Bandgap Tailored Nonfullerene Acceptors for Low-Energy-Loss Near-Infrared Organic Photovoltaics | - |
dc.type | Article | - |
dc.description.isOpenAccess | FALSE | - |
dc.relation.journalWebOfScienceCategory | Materials Science, Multidisciplinary | - |
dc.relation.journalResearchArea | Materials Science | - |
dc.type.docType | Article | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.subject.keywordPlus | POLYMER SOLAR-CELLS | - |
dc.subject.keywordPlus | CHARGE SEPARATION | - |
dc.subject.keywordPlus | EFFICIENCY | - |
dc.subject.keywordPlus | DESIGN | - |
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