DC Field | Value | Language |
---|---|---|
dc.contributor.author | Park, Jin Su | ko |
dc.contributor.author | Choi, Nayoun | ko |
dc.contributor.author | Lee, Changyeon | ko |
dc.contributor.author | Lee, Seungjin | ko |
dc.contributor.author | Ha, Jong-Woon | ko |
dc.contributor.author | Hwang, Do-Hoon | ko |
dc.contributor.author | Kim, Bumjoon J. | ko |
dc.date.accessioned | 2020-05-22T02:20:07Z | - |
dc.date.available | 2020-05-22T02:20:07Z | - |
dc.date.created | 2020-05-18 | - |
dc.date.created | 2020-05-18 | - |
dc.date.created | 2020-05-18 | - |
dc.date.created | 2020-05-18 | - |
dc.date.issued | 2020-04 | - |
dc.identifier.citation | CHEMISTRY OF MATERIALS, v.32, no.8, pp.3585 - 3596 | - |
dc.identifier.issn | 0897-4756 | - |
dc.identifier.uri | http://hdl.handle.net/10203/274256 | - |
dc.description.abstract | The aggregation behavior of polymers plays a crucial role in determining the optical, electrical, and morpho- logical properties of donor-acceptor blends in both all-polymer 12 solar cells (all-PSCs) and non-fullerene small-molecule acceptor-polymer solar cells (NFSMA-PSCs). However, direct comparison of the impacts on two different systems has not been reported, although it is important to design universal polymer donors (P-D's). Herein, three P-D's with different side chains (P-EH, P-SEH, and P-Si) are designed to study the P-D aggregation effects on the blend morphology and device performance of both all-PSCs and NFSMA-PSCs. It is observed that the aggregation property of P-D's is a critical factor in determining the optimal blend morphologies and ultimately the device performances in both PSC systems. Furthermore, P(D )aggregation effects on device performance are significantly more impactful in all-PSCs than in NFSMA-PSCs. The P-Si P-D exhibiting the strongest aggregation behavior in a processing solvent produces the most severe phase separation in the blend with a polymer acceptor, resulting in the lowest power conversion efficiency (PCE) of all-PSCs. In contrast, when P-Si is used in an NFSMA-PSC, a well-mixed blend morphology is observed, which results in the highest PCE of over 12%. These different roles dependent on P-D aggregation mainly originate from the difference in molecular size of the polymer acceptor and small-molecule acceptor, which influences the entropic contribution to the formation of blend morphology. Our work provides a comprehensive understanding of the P-D aggregation- blend morphology relationship in different all-PSC and NFSMA-PSC systems, which serves as an important guideline for the design of universal P-D's for both all-PSCs and NFSMA-PSCs. | - |
dc.language | English | - |
dc.publisher | AMER CHEMICAL SOC | - |
dc.title | Elucidating Roles of Polymer Donor Aggregation in All-Polymer and Non-Fullerene Small-Molecule-Polymer Solar Cells | - |
dc.type | Article | - |
dc.identifier.wosid | 000529878600029 | - |
dc.identifier.scopusid | 2-s2.0-85091021352 | - |
dc.type.rims | ART | - |
dc.citation.volume | 32 | - |
dc.citation.issue | 8 | - |
dc.citation.beginningpage | 3585 | - |
dc.citation.endingpage | 3596 | - |
dc.citation.publicationname | CHEMISTRY OF MATERIALS | - |
dc.identifier.doi | 10.1021/acs.chemmater.0c00783 | - |
dc.contributor.localauthor | Kim, Bumjoon J. | - |
dc.contributor.nonIdAuthor | Choi, Nayoun | - |
dc.contributor.nonIdAuthor | Ha, Jong-Woon | - |
dc.contributor.nonIdAuthor | Hwang, Do-Hoon | - |
dc.description.isOpenAccess | N | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordPlus | OPEN-CIRCUIT VOLTAGE | - |
dc.subject.keywordPlus | SIDE-CHAINS | - |
dc.subject.keywordPlus | PERFORMANCE | - |
dc.subject.keywordPlus | ACCEPTOR | - |
dc.subject.keywordPlus | MORPHOLOGY | - |
dc.subject.keywordPlus | EFFICIENCY | - |
dc.subject.keywordPlus | MOBILITY | - |
dc.subject.keywordPlus | CRYSTALLINITY | - |
dc.subject.keywordPlus | MICROSTRUCTURE | - |
dc.subject.keywordPlus | OPTIMIZATION | - |
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.