Inhibiting metal-inward diffusion-induced degradation through strong chemical coordination toward stable and efficient inverted perovskite solar cells
Jiabao YangState Key Laboratory of Solidification Processing, Center for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi’an 710072, People's Republic of ChinaQi CaoState Key Laboratory of Solidification Processing, Center for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi’an 710072, People's Republic of ChinaTong WangState Key Laboratory of Solidification Processing, Center for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi’an 710072, People's Republic of ChinaBowen YangLaboratory of Photomolecular Science, Institute of Chemical Sciences and Engineering, School of Basic Sciences, Ecole Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, SwitzerlandXingyu PuState Key Laboratory of Solidification Processing, Center for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi’an 710072, People's Republic of ChinaYixin ZhangState Key Laboratory of Solidification Processing, Center for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi’an 710072, People's Republic of ChinaHui ChenState Key Laboratory of Solidification Processing, Center for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi’an 710072, People's Republic of ChinaIlhom TojiboyevInstitute Ion – Plasma and Laser Technologies, Uzbekistan Academy of Sciences, 100125, Durmon yuli 33 Tashkent, UzbekistanYuke LiDepartment of Chemistry and Centre for Scientific Modeling and Computation, Chinese University of Hong Kong, Shatin, Hong Kong, ChinaLioz EtgarInstitute of Chemistry, Casali Center for Applied Chemistry, The Hebrew University of Jerusalem, Jerusalem 91904, IsraelXuanhua LiState Key Laboratory of Solidification Processing, Center for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi’an 710072, People's Republic of ChinaAnders HagfeldtDepartment of Chemistry-Ångström Laboratory, Uppsala University, SE-75120 Uppsala, Sweden
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Firstly, we introduce a triazine molecule in the bathocuproine layer, which can prevent the inward diffusion of the metal electrodes via strong chemical coordination. The champion device achieved an efficiency of 22.60% and excellent stability.
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