Synergistic Effects of Eu-MOF on Perovskite Solar Cells with Improved Stability

© 2021 Wiley-VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 33(2021), 39 vom: 06. Okt., Seite e2102947
1. Verfasser: Dou, Jie (VerfasserIn)
Weitere Verfasser: Zhu, Cheng, Wang, Hao, Han, Ying, Ma, Sai, Niu, Xiuxiu, Li, Nengxu, Shi, Congbo, Qiu, Zhiwen, Zhou, Huanping, Bai, Yang, Chen, Qi
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article Eu-MOF perovskite solar cells stability synergistic effects
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520 |a Enhancing device lifetime is one of the essential challenges in perovskite solar cells. The ultrathin Eu-MOF layer is introduced at the interface between the electron-transport layer and the perovskite absorber to improve the device stability. Both Eu ions and organic ligands in the MOF can reduce the defect concentration and improve carrier transport. Moreover, due to the Förster resonance energy transfer effect, Eu-MOF in perovskite films can improve light utilization and reduce the decomposition under ultraviolet light. Meanwhile, Eu-MOF also turns tensile strain to compressive strain in the perovskite films. As a result, the corresponding devices achieve a champion power conversion efficiency (PCE) of 22.16%. In addition, the devices retain 96% of their original PCE after 2000 h under the relative humidity of 30% and 91% of their original PCE after 1200 h after continuous 85 °C aging condition in N2 
650 4 |a Journal Article 
650 4 |a Eu-MOF 
650 4 |a perovskite solar cells 
650 4 |a stability 
650 4 |a synergistic effects 
700 1 |a Zhu, Cheng  |e verfasserin  |4 aut 
700 1 |a Wang, Hao  |e verfasserin  |4 aut 
700 1 |a Han, Ying  |e verfasserin  |4 aut 
700 1 |a Ma, Sai  |e verfasserin  |4 aut 
700 1 |a Niu, Xiuxiu  |e verfasserin  |4 aut 
700 1 |a Li, Nengxu  |e verfasserin  |4 aut 
700 1 |a Shi, Congbo  |e verfasserin  |4 aut 
700 1 |a Qiu, Zhiwen  |e verfasserin  |4 aut 
700 1 |a Zhou, Huanping  |e verfasserin  |4 aut 
700 1 |a Bai, Yang  |e verfasserin  |4 aut 
700 1 |a Chen, Qi  |e verfasserin  |4 aut 
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