Efficient and Stable Graded CsPbI3−xBrx Perovskite Solar Cells and Submodules by Orthogonal Processable Spray Coating
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Heo, J.H. | - |
dc.contributor.author | Zhang, F. | - |
dc.contributor.author | Xiao, C. | - |
dc.contributor.author | Heo, S.J. | - |
dc.contributor.author | Park, J.K. | - |
dc.contributor.author | Berry, J.J. | - |
dc.contributor.author | Zhu, K. | - |
dc.contributor.author | Im, S.H. | - |
dc.date.accessioned | 2021-12-03T19:41:32Z | - |
dc.date.available | 2021-12-03T19:41:32Z | - |
dc.date.created | 2021-08-31 | - |
dc.date.issued | 2021-02-17 | - |
dc.identifier.issn | 2542-4351 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/129190 | - |
dc.description.abstract | Solution-processed CsPbI2Br thin films often suffer from poor film properties, which are indictive of electronic defects that can lead to poor stability. In addition, significant efforts are required to reduce the large cell-to-module performance gap for inorganic perovskite PV devices. Here, we report the fabrication of inorganic CsPbI2Br-based perovskite thin films with a well-defined CsPbI3−xBrx composition gradient by a scalable, orthogonal processable spray-coating approach. The graded structure broadens the absorption wavelength range, increases carrier lifetime, and facilitates charge separation and collection. With this approach, we demonstrated a monolithically integrated perovskite submodule based on the graded CsPbI3−xBrx by spray coating with an efficiency of 13.82% (112-cm2 aperture area) and ∼9% degradation over 1,000-h continuous 1-sun light soaking. © 2020 Elsevier Inc.Inorganic perovskite solar cells (PSCs) are promising for achieving long-term operational stability with good device performance. Here, we report the fabrication of inorganic CsPbI2Br-based perovskite thin films with a well-defined CsPbI3−xBrx composition gradient in the surface region by a scalable, orthogonal processable spray-coating approach. The graded structure broadens absorption wavelength range and increases carrier lifetime, but it also causes electrical field redistribution within a device stack for more efficient charge separation and collection. With this approach, we obtained a power conversion efficiency of 16.81% for a 0.096-cm2 PSC. We further demonstrated a monolithically integrated perovskite submodule based on the graded CsPbI3−xBrx by spray coating with an efficiency of 13.82% (112-cm2 aperture area) and ∼9% degradation over 1,000-h continuous 1-sun light soaking. © 2020 Elsevier Inc.The fabrication of inorganic CsPbI2Br-based perovskite thin films with a well-defined CsPbI3−xBrx composition gradient in the surface region by a scalable, orthogonal processable spray-coating approach is reported. The graded structure broadens absorption wavelength range, increases carrier lifetime, and causes electrical field redistribution for more efficient charge separation and collection. With this approach, we obtained a power conversion efficiency of 16.81% for a 0.096-cm2 cell and13.82% for a 112-cm2 submodule with ∼9% degradation over 1,000-h 1-sun light soaking. © 2020 Elsevier Inc. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | Cell Press | - |
dc.subject | Bromine compounds | - |
dc.subject | Carrier lifetime | - |
dc.subject | Coatings | - |
dc.subject | Conversion efficiency | - |
dc.subject | Efficiency | - |
dc.subject | Lead compounds | - |
dc.subject | Monolithic integrated circuits | - |
dc.subject | Perovskite | - |
dc.subject | Perovskite solar cells | - |
dc.subject | Separation | - |
dc.subject | Thin films | - |
dc.subject | Absorption wavelengths | - |
dc.subject | Charge separations | - |
dc.subject | Composition gradient | - |
dc.subject | Device performance | - |
dc.subject | Monolithically integrated | - |
dc.subject | Operational stability | - |
dc.subject | Perovskite thin films | - |
dc.subject | Power conversion efficiencies | - |
dc.subject | Iodine compounds | - |
dc.subject | degradation | - |
dc.subject | electric field | - |
dc.subject | perovskite | - |
dc.subject | solar power | - |
dc.title | Efficient and Stable Graded CsPbI3−xBrx Perovskite Solar Cells and Submodules by Orthogonal Processable Spray Coating | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Im, S.H. | - |
dc.identifier.doi | 10.1016/j.joule.2020.12.010 | - |
dc.identifier.scopusid | 2-s2.0-85099707891 | - |
dc.identifier.wosid | 000629204800017 | - |
dc.identifier.bibliographicCitation | Joule, v.5, no.2, pp.481 - 494 | - |
dc.relation.isPartOf | Joule | - |
dc.citation.title | Joule | - |
dc.citation.volume | 5 | - |
dc.citation.number | 2 | - |
dc.citation.startPage | 481 | - |
dc.citation.endPage | 494 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Chemistry | - |
dc.relation.journalResearchArea | Energy & Fuels | - |
dc.relation.journalResearchArea | Materials Science | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Physical | - |
dc.relation.journalWebOfScienceCategory | Energy & Fuels | - |
dc.relation.journalWebOfScienceCategory | Materials Science, Multidisciplinary | - |
dc.subject.keywordPlus | Bromine compounds | - |
dc.subject.keywordPlus | Carrier lifetime | - |
dc.subject.keywordPlus | Coatings | - |
dc.subject.keywordPlus | Conversion efficiency | - |
dc.subject.keywordPlus | Efficiency | - |
dc.subject.keywordPlus | Lead compounds | - |
dc.subject.keywordPlus | Monolithic integrated circuits | - |
dc.subject.keywordPlus | Perovskite | - |
dc.subject.keywordPlus | Perovskite solar cells | - |
dc.subject.keywordPlus | Separation | - |
dc.subject.keywordPlus | Thin films | - |
dc.subject.keywordPlus | Absorption wavelengths | - |
dc.subject.keywordPlus | Charge separations | - |
dc.subject.keywordPlus | Composition gradient | - |
dc.subject.keywordPlus | Device performance | - |
dc.subject.keywordPlus | Monolithically integrated | - |
dc.subject.keywordPlus | Operational stability | - |
dc.subject.keywordPlus | Perovskite thin films | - |
dc.subject.keywordPlus | Power conversion efficiencies | - |
dc.subject.keywordPlus | Iodine compounds | - |
dc.subject.keywordPlus | degradation | - |
dc.subject.keywordPlus | electric field | - |
dc.subject.keywordPlus | perovskite | - |
dc.subject.keywordPlus | solar power | - |
dc.subject.keywordAuthor | CsPbI3 | - |
dc.subject.keywordAuthor | CsPbI2Br | - |
dc.subject.keywordAuthor | graded structure | - |
dc.subject.keywordAuthor | inorganic perovskite | - |
dc.subject.keywordAuthor | light soaking | - |
dc.subject.keywordAuthor | module | - |
dc.subject.keywordAuthor | orthogonal processability | - |
dc.subject.keywordAuthor | solar cells | - |
dc.subject.keywordAuthor | spray coating | - |
dc.subject.keywordAuthor | stability | - |
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.
(02841) 서울특별시 성북구 안암로 14502-3290-1114
COPYRIGHT © 2021 Korea University. All Rights Reserved.
Certain data included herein are derived from the © Web of Science of Clarivate Analytics. All rights reserved.
You may not copy or re-distribute this material in whole or in part without the prior written consent of Clarivate Analytics.