Tailoring the Interface with a Multifunctional Ligand for Highly Efficient and Stable FAPbI3 Perovskite Solar Cells and Modules
Abstract Perovskite solar cells (PeSCs) using FAPbI3 perovskite films often exhibit unfavorable phase transitions and defect‐induced nonradiative interfacial recombination, resulting in considerable energy loss and impairing the performance of PeSCs in terms of efficiency, stability, and hysteresis....
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| Format: | Article |
| Language: | English |
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Wiley
2023-07-01
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| Series: | Advanced Science |
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| Online Access: | https://doi.org/10.1002/advs.202301603 |
| _version_ | 1797770660560240640 |
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| author | Fuqiang Li Xiaofeng Huang Chaoqun Ma Junpeng Xue Ying Li Danbi Kim Hyun‐Seock Yang Yuanyuan Zhang Bo Ram Lee Junghwan Kim Binghui Wu Sung Heum Park |
| author_facet | Fuqiang Li Xiaofeng Huang Chaoqun Ma Junpeng Xue Ying Li Danbi Kim Hyun‐Seock Yang Yuanyuan Zhang Bo Ram Lee Junghwan Kim Binghui Wu Sung Heum Park |
| author_sort | Fuqiang Li |
| collection | DOAJ |
| description | Abstract Perovskite solar cells (PeSCs) using FAPbI3 perovskite films often exhibit unfavorable phase transitions and defect‐induced nonradiative interfacial recombination, resulting in considerable energy loss and impairing the performance of PeSCs in terms of efficiency, stability, and hysteresis. In this work, a facile interface engineering strategy to control the surface structure and energy‐level alignment of perovskite films by tailoring the interface between the FAPbI3 film and hole‐transporting layer using 4‐hydroxypicolinic acid (4HPA) is reported. According to density functional theory studies, 4HPA has prominent electron delocalization distribution properties that enable it to anchor to the perovskite film surface and facilitate charge transfer at the interface. By enabling multiple bonding interactions with the perovskite layer, including hydrogen bonds, PbO, and PbN dative bonds, 4HPA passivation significantly reduces the trap density and efficiently suppresses nonradiative recombination. The obtained perovskite films exhibit superior optoelectronic properties with improved crystallinity, pure α‐phase FAPbI3, and favorable energy band bending. Following this strategy, 4HPA post‐treatment PeSCs achieve a champion power conversion efficiency of 23.28% in 0.12 cm2 cells and 19.26% in 36 cm2 modules with excellent environmental and thermal stabilities. |
| first_indexed | 2024-03-12T21:26:22Z |
| format | Article |
| id | doaj.art-39eb2e6070f247279b22250b2686620f |
| institution | Directory Open Access Journal |
| issn | 2198-3844 |
| language | English |
| last_indexed | 2024-03-12T21:26:22Z |
| publishDate | 2023-07-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advanced Science |
| spelling | doaj.art-39eb2e6070f247279b22250b2686620f2023-07-28T06:53:01ZengWileyAdvanced Science2198-38442023-07-011021n/an/a10.1002/advs.202301603Tailoring the Interface with a Multifunctional Ligand for Highly Efficient and Stable FAPbI3 Perovskite Solar Cells and ModulesFuqiang Li0Xiaofeng Huang1Chaoqun Ma2Junpeng Xue3Ying Li4Danbi Kim5Hyun‐Seock Yang6Yuanyuan Zhang7Bo Ram Lee8Junghwan Kim9Binghui Wu10Sung Heum Park11Department of Physics Pukyong National University Busan 48513 South KoreaCollege of Chemistry and Chemical Engineering Pen‐Tung Sah Institute of Micro‐Nano Science and Technology Xiamen University Xiamen 361005 ChinaSchool of Materials Science and Engineering University of Science and Technology Beijing Beijing 100083 ChinaDepartment of Physics Pukyong National University Busan 48513 South KoreaDepartment of Physics Pukyong National University Busan 48513 South KoreaDepartment of Physics Pukyong National University Busan 48513 South KoreaDepartment of Physics Pukyong National University Busan 48513 South KoreaSchool of Science Jiangsu Key Laboratory of Function Control Technology for Advanced Materials Jiangsu Ocean University Lianyungang Jiangsu 222005 ChinaDepartment of Physics Pukyong National University Busan 48513 South KoreaInstitute of Energy Transport and Fusion Research Pukyong National University Busan 48513 Republic of KoreaCollege of Chemistry and Chemical Engineering Pen‐Tung Sah Institute of Micro‐Nano Science and Technology Xiamen University Xiamen 361005 ChinaDepartment of Physics Pukyong National University Busan 48513 South KoreaAbstract Perovskite solar cells (PeSCs) using FAPbI3 perovskite films often exhibit unfavorable phase transitions and defect‐induced nonradiative interfacial recombination, resulting in considerable energy loss and impairing the performance of PeSCs in terms of efficiency, stability, and hysteresis. In this work, a facile interface engineering strategy to control the surface structure and energy‐level alignment of perovskite films by tailoring the interface between the FAPbI3 film and hole‐transporting layer using 4‐hydroxypicolinic acid (4HPA) is reported. According to density functional theory studies, 4HPA has prominent electron delocalization distribution properties that enable it to anchor to the perovskite film surface and facilitate charge transfer at the interface. By enabling multiple bonding interactions with the perovskite layer, including hydrogen bonds, PbO, and PbN dative bonds, 4HPA passivation significantly reduces the trap density and efficiently suppresses nonradiative recombination. The obtained perovskite films exhibit superior optoelectronic properties with improved crystallinity, pure α‐phase FAPbI3, and favorable energy band bending. Following this strategy, 4HPA post‐treatment PeSCs achieve a champion power conversion efficiency of 23.28% in 0.12 cm2 cells and 19.26% in 36 cm2 modules with excellent environmental and thermal stabilities.https://doi.org/10.1002/advs.202301603interfacial engineeringmultiple bonds effectperovskite solar cellssolar modules |
| spellingShingle | Fuqiang Li Xiaofeng Huang Chaoqun Ma Junpeng Xue Ying Li Danbi Kim Hyun‐Seock Yang Yuanyuan Zhang Bo Ram Lee Junghwan Kim Binghui Wu Sung Heum Park Tailoring the Interface with a Multifunctional Ligand for Highly Efficient and Stable FAPbI3 Perovskite Solar Cells and Modules Advanced Science interfacial engineering multiple bonds effect perovskite solar cells solar modules |
| title | Tailoring the Interface with a Multifunctional Ligand for Highly Efficient and Stable FAPbI3 Perovskite Solar Cells and Modules |
| title_full | Tailoring the Interface with a Multifunctional Ligand for Highly Efficient and Stable FAPbI3 Perovskite Solar Cells and Modules |
| title_fullStr | Tailoring the Interface with a Multifunctional Ligand for Highly Efficient and Stable FAPbI3 Perovskite Solar Cells and Modules |
| title_full_unstemmed | Tailoring the Interface with a Multifunctional Ligand for Highly Efficient and Stable FAPbI3 Perovskite Solar Cells and Modules |
| title_short | Tailoring the Interface with a Multifunctional Ligand for Highly Efficient and Stable FAPbI3 Perovskite Solar Cells and Modules |
| title_sort | tailoring the interface with a multifunctional ligand for highly efficient and stable fapbi3 perovskite solar cells and modules |
| topic | interfacial engineering multiple bonds effect perovskite solar cells solar modules |
| url | https://doi.org/10.1002/advs.202301603 |
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