Fine-tuned crystallinity of polymerized non-fullerene acceptor via molecular engineering towards efficient all-polymer solar cell
DC Field | Value | Language |
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dc.contributor.author | Li, Yuxiang | - |
dc.contributor.author | Wang, Mei | - |
dc.contributor.author | Zhang, Qilin | - |
dc.contributor.author | Wu, Ziang | - |
dc.contributor.author | Lim, Hyojin | - |
dc.contributor.author | Wang, Yingying | - |
dc.contributor.author | Qin, Hongmei | - |
dc.contributor.author | Yang, Jianye | - |
dc.contributor.author | Gao, Chao | - |
dc.contributor.author | Woo, Han Young | - |
dc.contributor.author | Yuan, Jianyu | - |
dc.date.accessioned | 2022-02-10T21:41:21Z | - |
dc.date.available | 2022-02-10T21:41:21Z | - |
dc.date.created | 2022-01-19 | - |
dc.date.issued | 2022-01-15 | - |
dc.identifier.issn | 1385-8947 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/135264 | - |
dc.description.abstract | Despite remarkable advancement made by virtue of "polymerized non-fullerene acceptor" strategy in all-polymer solar cells (all-PSCs) recently, the tuning of polymer crystallinity via molecular design to optimize the nanostructured blend morphology remains challenging for boosting the short-circuit current density (JSC). Herein, through systematically optimizing the central core and pi-spacer, we present a facile method to regulate the solidstate crystallinity of these emerging polymer acceptors. Specifically, we have synthesized a new family of polymerized non-fullerene acceptors named PY-2T and PY-2T2Cl by copolymerizing the Y5-derivative with bithiophene or chlorinated bithiophene. Compared to the previously used IDIC-based polymer named PIDIC-2T, the extended D-A-D fused ring core renders PY-2T with significantly red-shifted optical absorption and up-shifted energy levels, leading to simultaneously improved JSC and open circuit voltage (VOC) in the resultant all-PSCs. More importantly, the chlorinated PY-2T (PY-2T2Cl) endows the desirable phase separated blend morphology with favorable film crystallinity when paired with polymer donor PBDB-T, thus PY-2T2Cl based all-PSCs delivers a promising power conversion efficiency of approaching similar to 10% with a greatly enhanced JSC of 16.3 mA/cm(2) and high VOC of 0.87 eV. This systematic study provides an insight into the effect of central core and pi-spacer on the film crystallinity for developing high-performance polymerized non-fullerene acceptors, and also highlights the importance of both absorption and morphology in boosting the desired JSC in all-PSCs. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER SCIENCE SA | - |
dc.subject | AGGREGATION | - |
dc.subject | MORPHOLOGY | - |
dc.subject | UNITS | - |
dc.title | Fine-tuned crystallinity of polymerized non-fullerene acceptor via molecular engineering towards efficient all-polymer solar cell | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Woo, Han Young | - |
dc.identifier.doi | 10.1016/j.cej.2021.131232 | - |
dc.identifier.scopusid | 2-s2.0-85109835548 | - |
dc.identifier.wosid | 000722024800005 | - |
dc.identifier.bibliographicCitation | CHEMICAL ENGINEERING JOURNAL, v.428 | - |
dc.relation.isPartOf | CHEMICAL ENGINEERING JOURNAL | - |
dc.citation.title | CHEMICAL ENGINEERING JOURNAL | - |
dc.citation.volume | 428 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Engineering | - |
dc.relation.journalWebOfScienceCategory | Engineering, Environmental | - |
dc.relation.journalWebOfScienceCategory | Engineering, Chemical | - |
dc.subject.keywordPlus | AGGREGATION | - |
dc.subject.keywordPlus | MORPHOLOGY | - |
dc.subject.keywordPlus | UNITS | - |
dc.subject.keywordAuthor | Polymerized non-fullerene acceptor | - |
dc.subject.keywordAuthor | Central core | - |
dc.subject.keywordAuthor | Chlorinated pi-spacer | - |
dc.subject.keywordAuthor | All-polymer solar cells | - |
dc.subject.keywordAuthor | Photovoltaic performance | - |
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