Octylammonium Octyldithiocarbamate Assisted Modulation of Crystallization and Doping of In Situ‐Generated Lead Sulfide for Efficient and Highly Stable Carbon‐Based CsPbIBr2 Solar Cells
Abstract Perovskite silicon tandem solar cells are one of the effective ways to further improve the photoelectric conversion efficiency (PCE) in the research and development of solar cells in the future. CsPbIBr2 can be used as the top cell material in tandem solar cells due to its wider bandgap and...
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| Format: | Article |
| Language: | English |
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Wiley-VCH
2023-02-01
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| Series: | Advanced Materials Interfaces |
| Subjects: | |
| Online Access: | https://doi.org/10.1002/admi.202202159 |
| _version_ | 1797730852760715264 |
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| author | Xiao Liu Yu Jing Chunyan Wang Xin Wang Ruoshui Li Yuan Xu Zhongliang Yan Huayan Zhang Jihuai Wu Zhang Lan |
| author_facet | Xiao Liu Yu Jing Chunyan Wang Xin Wang Ruoshui Li Yuan Xu Zhongliang Yan Huayan Zhang Jihuai Wu Zhang Lan |
| author_sort | Xiao Liu |
| collection | DOAJ |
| description | Abstract Perovskite silicon tandem solar cells are one of the effective ways to further improve the photoelectric conversion efficiency (PCE) in the research and development of solar cells in the future. CsPbIBr2 can be used as the top cell material in tandem solar cells due to its wider bandgap and better long‐term stability. However, the serious defect density and carrier recombination limit its further improvement. In this work, Octylammonium Octyldithiocarbamate (ODTC) is added to the CsPbIBr2 precursor. Through its strong metal ion complexing ability, it combines with the uncoordinated Pb2+ in the CsPbIBr2, and then thermally decomposes to produce PbS during the annealing process. As an additive, ODTC modulates the crystallization of CsPbIBr2, increases the crystal size, reduces defect density, extends carrier lifetime, and improves charge transfer. Moreover, in situ‐generated PbS can also optimize photovoltaic performance of CsPbIBr2 perovskite solar cell (PSC). Consequently, the champion PCE of the devices can attain to 10.15% and still maintain an initial efficiency of 90% after 45 days. Therefore, the strategy is an effective way to prepare efficient and stable CsPbIBr2 PSCs. |
| first_indexed | 2024-03-12T11:50:13Z |
| format | Article |
| id | doaj.art-08422980ab7442a4af195b45c43d521a |
| institution | Directory Open Access Journal |
| issn | 2196-7350 |
| language | English |
| last_indexed | 2024-03-12T11:50:13Z |
| publishDate | 2023-02-01 |
| publisher | Wiley-VCH |
| record_format | Article |
| series | Advanced Materials Interfaces |
| spelling | doaj.art-08422980ab7442a4af195b45c43d521a2023-08-31T09:02:04ZengWiley-VCHAdvanced Materials Interfaces2196-73502023-02-01106n/an/a10.1002/admi.202202159Octylammonium Octyldithiocarbamate Assisted Modulation of Crystallization and Doping of In Situ‐Generated Lead Sulfide for Efficient and Highly Stable Carbon‐Based CsPbIBr2 Solar CellsXiao Liu0Yu Jing1Chunyan Wang2Xin Wang3Ruoshui Li4Yuan Xu5Zhongliang Yan6Huayan Zhang7Jihuai Wu8Zhang Lan9Engineering Research Center of Environment‐Friendly Functional Materials Ministry of Education Institute of Materials Physical Chemistry Huaqiao University Xiamen 361021 ChinaEngineering Research Center of Environment‐Friendly Functional Materials Ministry of Education Institute of Materials Physical Chemistry Huaqiao University Xiamen 361021 ChinaEngineering Research Center of Environment‐Friendly Functional Materials Ministry of Education Institute of Materials Physical Chemistry Huaqiao University Xiamen 361021 ChinaEngineering Research Center of Environment‐Friendly Functional Materials Ministry of Education Institute of Materials Physical Chemistry Huaqiao University Xiamen 361021 ChinaEngineering Research Center of Environment‐Friendly Functional Materials Ministry of Education Institute of Materials Physical Chemistry Huaqiao University Xiamen 361021 ChinaEngineering Research Center of Environment‐Friendly Functional Materials Ministry of Education Institute of Materials Physical Chemistry Huaqiao University Xiamen 361021 ChinaEngineering Research Center of Environment‐Friendly Functional Materials Ministry of Education Institute of Materials Physical Chemistry Huaqiao University Xiamen 361021 ChinaEngineering Research Center of Environment‐Friendly Functional Materials Ministry of Education Institute of Materials Physical Chemistry Huaqiao University Xiamen 361021 ChinaEngineering Research Center of Environment‐Friendly Functional Materials Ministry of Education Institute of Materials Physical Chemistry Huaqiao University Xiamen 361021 ChinaEngineering Research Center of Environment‐Friendly Functional Materials Ministry of Education Institute of Materials Physical Chemistry Huaqiao University Xiamen 361021 ChinaAbstract Perovskite silicon tandem solar cells are one of the effective ways to further improve the photoelectric conversion efficiency (PCE) in the research and development of solar cells in the future. CsPbIBr2 can be used as the top cell material in tandem solar cells due to its wider bandgap and better long‐term stability. However, the serious defect density and carrier recombination limit its further improvement. In this work, Octylammonium Octyldithiocarbamate (ODTC) is added to the CsPbIBr2 precursor. Through its strong metal ion complexing ability, it combines with the uncoordinated Pb2+ in the CsPbIBr2, and then thermally decomposes to produce PbS during the annealing process. As an additive, ODTC modulates the crystallization of CsPbIBr2, increases the crystal size, reduces defect density, extends carrier lifetime, and improves charge transfer. Moreover, in situ‐generated PbS can also optimize photovoltaic performance of CsPbIBr2 perovskite solar cell (PSC). Consequently, the champion PCE of the devices can attain to 10.15% and still maintain an initial efficiency of 90% after 45 days. Therefore, the strategy is an effective way to prepare efficient and stable CsPbIBr2 PSCs.https://doi.org/10.1002/admi.202202159carbon‐based perovskite solar cellCsPbIBr 2dithiocarbamatesin situ‐generated PbS |
| spellingShingle | Xiao Liu Yu Jing Chunyan Wang Xin Wang Ruoshui Li Yuan Xu Zhongliang Yan Huayan Zhang Jihuai Wu Zhang Lan Octylammonium Octyldithiocarbamate Assisted Modulation of Crystallization and Doping of In Situ‐Generated Lead Sulfide for Efficient and Highly Stable Carbon‐Based CsPbIBr2 Solar Cells Advanced Materials Interfaces carbon‐based perovskite solar cell CsPbIBr 2 dithiocarbamates in situ‐generated PbS |
| title | Octylammonium Octyldithiocarbamate Assisted Modulation of Crystallization and Doping of In Situ‐Generated Lead Sulfide for Efficient and Highly Stable Carbon‐Based CsPbIBr2 Solar Cells |
| title_full | Octylammonium Octyldithiocarbamate Assisted Modulation of Crystallization and Doping of In Situ‐Generated Lead Sulfide for Efficient and Highly Stable Carbon‐Based CsPbIBr2 Solar Cells |
| title_fullStr | Octylammonium Octyldithiocarbamate Assisted Modulation of Crystallization and Doping of In Situ‐Generated Lead Sulfide for Efficient and Highly Stable Carbon‐Based CsPbIBr2 Solar Cells |
| title_full_unstemmed | Octylammonium Octyldithiocarbamate Assisted Modulation of Crystallization and Doping of In Situ‐Generated Lead Sulfide for Efficient and Highly Stable Carbon‐Based CsPbIBr2 Solar Cells |
| title_short | Octylammonium Octyldithiocarbamate Assisted Modulation of Crystallization and Doping of In Situ‐Generated Lead Sulfide for Efficient and Highly Stable Carbon‐Based CsPbIBr2 Solar Cells |
| title_sort | octylammonium octyldithiocarbamate assisted modulation of crystallization and doping of in situ generated lead sulfide for efficient and highly stable carbon based cspbibr2 solar cells |
| topic | carbon‐based perovskite solar cell CsPbIBr 2 dithiocarbamates in situ‐generated PbS |
| url | https://doi.org/10.1002/admi.202202159 |
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