| A guide to use fluorinated aromatic bulky cations for stable and high-performance 2D/3D perovskite solar cells: The more fluorination the better? |
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| 作者姓名： | Lei Wang Qin Zhou Zilong Zhang Wenbo Li Xiaobing Wang Qi ng Tian Xiaoyan Yu Ting Sun Jihuai Wu Bao Zhang Peng Gao |
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| 作者单位： | School of Chemical Engineering and Technology;CAS Key Laboratory of Design and Assembly of Functional Nanostructures;Laboratory for Advanced Functional Materials.Xiamen Institute of Rare Earth Materials;College of Materials Science and Engineering |
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| 基金项目： | financial support from the National Natural Science Foundation of China (Grant No. 21975260);the financial support from the National Natural Science Foundation of China (Grant No. 22078241). |
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| 摘 要： | While serious stability issues impede the commercialization of perovskite solar cells(PSCs),twodimensional(2 D) perovskites based on fluorinated bulky cations have emerged as more intrinsically stable materials.However,the influence of fluorination degree of the bulky aromatic cation on the performance of resulting PSCs has not been scrutinized.Here,2 D perovskites(FxPEA)2 PbI4(x=1,2,3,5) are grown in situ on the surface of the three-dimensional(3 D) perovskite and demonstrate effecti...
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| 关 键 词： | 2D perovskite Fluorinated spacer cation Perovskite solar cells Passivation Stability |
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