Phenothiazine Functionalized Multifunctional A-pi-D-pi-D-pi-A-Type Hole-Transporting Materials via Sequential C-H Arylation Approach for Efficient and Stable Perovskite Solar Cells
DC Field | Value | Language |
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dc.contributor.author | Lu, Chunyuan | - |
dc.contributor.author | Paramasivam, Mahalingavelar | - |
dc.contributor.author | Park, Kyutai | - |
dc.contributor.author | Kim, Chul Hoon | - |
dc.contributor.author | Kim, Hwan Kyu | - |
dc.date.accessioned | 2021-09-01T16:05:20Z | - |
dc.date.available | 2021-09-01T16:05:20Z | - |
dc.date.created | 2021-06-19 | - |
dc.date.issued | 2019-04-17 | - |
dc.identifier.issn | 1944-8244 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/65991 | - |
dc.description.abstract | Three phenothiazine-based A-pi-D-pi-D-pi-A-type small molecules containing various terminal acceptor units, which act as Lewis base blocks, have been synthesized via an efficient and step-economical, direct C-H arylation strategy in the aim toward the development of hole-transporting materials (HTMs) with multifunctional features (such as efficient hole extraction layer, trap passivation layer, and hydrophobic protective layer) for perovskite solar cells (PrSCs). Optical-electrochemical correlation and density functional theory studies reveal that dicyanovinylene acceptor in SGT-421 downshifted the highest occupied molecular orbital (HOMO) level (-5.41 eV), which is more proximal to the valence band (-5.43 eV) of the perovskite, whereas N-methyl rhodanine in SGT-420 and 1,3-indanedione (IND) in SGT-422 destabilized the HOMO, leading to an increased interfacial energy-level offset. SGT-421 exhibits superior properties in terms of a sufficiently low-lying HOMO level and favorable energy-level alignment, intrinsic hole mobility, interfacial hole transfer, hydrophobicity, and trap passivation ability over spiro-OMeTAD as a benchmark small-molecule HTM. As envisaged in the design concept, SGT-421-based PrSC not only yields a comparable efficiency of 17.3% to the state-of-art of spiro-OMeTAD (18%), but also demonstrates the enhanced long-term stability compared to the spiro-OMeTAD because of its multifunctional features. More importantly, the synthetic cost of SGT-421 is estimated to be 2.15 times lower than that of spiro-OMeTAD. The proposed design strategy and the study of acceptor-property relationship of HTMs would provide valuable insights into and guidelines for the development of new low-cost and efficient multifunctional HTMs toward the realization of efficient and long-term stable PrSCs. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | AMER CHEMICAL SOC | - |
dc.subject | OPEN-CIRCUIT VOLTAGE | - |
dc.subject | HIGHLY EFFICIENT | - |
dc.subject | LOW-COST | - |
dc.subject | PERFORMANCE | - |
dc.subject | DERIVATIVES | - |
dc.title | Phenothiazine Functionalized Multifunctional A-pi-D-pi-D-pi-A-Type Hole-Transporting Materials via Sequential C-H Arylation Approach for Efficient and Stable Perovskite Solar Cells | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Kim, Chul Hoon | - |
dc.contributor.affiliatedAuthor | Kim, Hwan Kyu | - |
dc.identifier.doi | 10.1021/acsami.8b20646 | - |
dc.identifier.scopusid | 2-s2.0-85064350324 | - |
dc.identifier.wosid | 000465189000020 | - |
dc.identifier.bibliographicCitation | ACS APPLIED MATERIALS & INTERFACES, v.11, no.15, pp.14011 - 14022 | - |
dc.relation.isPartOf | ACS APPLIED MATERIALS & INTERFACES | - |
dc.citation.title | ACS APPLIED MATERIALS & INTERFACES | - |
dc.citation.volume | 11 | - |
dc.citation.number | 15 | - |
dc.citation.startPage | 14011 | - |
dc.citation.endPage | 14022 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Science & Technology - Other Topics | - |
dc.relation.journalResearchArea | Materials Science | - |
dc.relation.journalWebOfScienceCategory | Nanoscience & Nanotechnology | - |
dc.relation.journalWebOfScienceCategory | Materials Science, Multidisciplinary | - |
dc.subject.keywordPlus | OPEN-CIRCUIT VOLTAGE | - |
dc.subject.keywordPlus | HIGHLY EFFICIENT | - |
dc.subject.keywordPlus | LOW-COST | - |
dc.subject.keywordPlus | PERFORMANCE | - |
dc.subject.keywordPlus | DERIVATIVES | - |
dc.subject.keywordAuthor | A-pi-D-pi-D-pi-A | - |
dc.subject.keywordAuthor | multifunctional | - |
dc.subject.keywordAuthor | end-capped acceptor units | - |
dc.subject.keywordAuthor | sequential C-H arylation | - |
dc.subject.keywordAuthor | trap passivation | - |
dc.subject.keywordAuthor | perovskite solar cells | - |
dc.subject.keywordAuthor | hole-transporting materials | - |
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