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Simple-Structured Low-Cost Dopant-Free Hole-Transporting Polymers for High-Stability CsPbI2Br Perovskite Solar Cells

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dc.contributor.authorJeong, WonJo-
dc.contributor.authorHa, Su Ryong-
dc.contributor.authorJang, Ji Won-
dc.contributor.authorJeong, Moon-Ki-
dc.contributor.authorHussain, MD. Waseem-
dc.contributor.authorAhn, Hyungju-
dc.contributor.authorChoi, Hyosung-
dc.contributor.authorJung, In Hwan-
dc.date.accessioned2022-07-06T08:37:00Z-
dc.date.available2022-07-06T08:37:00Z-
dc.date.created2022-04-06-
dc.date.issued2022-03-
dc.identifier.issn1944-8244-
dc.identifier.urihttps://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/139285-
dc.description.abstractAmong the solution-processed devices, perovskite solar cells (PSCs) exhibit the highest power conversion efficiency (PCE) of over 25%; tremendous efforts are being undertaken to improve their stability. Recently, all-inorganic CsPbI2Br-based PSCs were reported to exhibit a significantly improved device stability, with a promising PCE of up to 16.79%. In this study, we report stable all-inorganic PSCs by incorporating novel dopant-free hole-transporting materials (HTMs). The synthesis strategy of the newly synthesized polymeric HTMs was similar to that of 2,2′,7,7′-tetrakis(N,N-di-p-methoxyphenylamine)-9,9′-spirobifluorene (spiro-OMeTAD), with the exception that they were designed to exhibit dopant-free characteristics. In particular, their polymeric backbone structure was significantly simpler than that of spiro-OMeTADs, and they were easily synthesized in two steps from commercially available chemicals, with an overall yield of ∼50%. The cost of synthesis at the laboratory scale was calculated to be at least 2.4 times cheaper than that of spiro-OMeTADs. The PCE of dopant-free HTM-based PSCs was 11.01%, which is 1.5 times higher than that of the dopant-free spiro-OMeTAD-based devices (7.52%) and comparable to that of the doped spiro-OMeTAD-based devices (12.22%). Notably, the stability of the device based on our dopant-free HTM to atmospheric oxygen and moisture as well as heat and light irradiation was superior to that of devices based on doped and dopant-free spiro-OMeTAD HTMs. On consideration of the synthesis cost, device efficiency, and device stability, our dopant-free HTM is highly promising for all-inorganic PSCs.-
dc.language영어-
dc.language.isoen-
dc.publisherAmerican Chemical Society-
dc.titleSimple-Structured Low-Cost Dopant-Free Hole-Transporting Polymers for High-Stability CsPbI2Br Perovskite Solar Cells-
dc.typeArticle-
dc.contributor.affiliatedAuthorChoi, Hyosung-
dc.contributor.affiliatedAuthorJung, In Hwan-
dc.identifier.doi10.1021/acsami.2c01216-
dc.identifier.scopusid2-s2.0-85126568388-
dc.identifier.wosid000787373300041-
dc.identifier.bibliographicCitationACS Applied Materials and Interfaces, v.14, no.11, pp.13400 - 13409-
dc.relation.isPartOfACS Applied Materials and Interfaces-
dc.citation.titleACS Applied Materials and Interfaces-
dc.citation.volume14-
dc.citation.number11-
dc.citation.startPage13400-
dc.citation.endPage13409-
dc.type.rimsART-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaScience & Technology - Other Topics-
dc.relation.journalResearchAreaMaterials Science-
dc.relation.journalWebOfScienceCategoryNanoscience & Nanotechnology-
dc.relation.journalWebOfScienceCategoryMaterials Science, Multidisciplinary-
dc.subject.keywordPlusSPIRO-OMETAD-
dc.subject.keywordPlusEFFICIENT-
dc.subject.keywordPlusLAYERS-
dc.subject.keywordPlusRECOMBINATION-
dc.subject.keywordAuthorperovskite solar cells-
dc.subject.keywordAuthorCsPbI2Br-
dc.subject.keywordAuthordopant-free hole-transporting materials-
dc.subject.keywordAuthorlow cost-
dc.subject.keywordAuthorlong-term stability-
dc.identifier.urlhttps://pubs.acs.org/doi/10.1021/acsami.2c01216-
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