Boosting All-Perovskite Tandem Solar Cells by Revitalizing the Buried Tin-Lead Perovskite Interface

Boosting All-Perovskite Tandem Solar Cells by Revitalizing the Buried Tin-Lead Perovskite Interface

© 2024 Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 36(2024), 36 vom: 29. Sept., Seite e2401698
1. Verfasser: Li, Guang (VerfasserIn)
Weitere Verfasser: Wang, Chen, Fu, Shiqiang, Zheng, Wenwen, Shen, Weicheng, Jia, Peng, Huang, Lishuai, Zhou, Shun, Zhou, Jin, Wang, Cheng, Guan, Hongling, Zhou, Yuan, Zhang, Xuhao, Pu, Dexin, Fang, Hongyi, Lin, Qingxian, Ai, Wei, Chen, Weiqing, Zeng, Guojun, Wang, Ti, Qin, Pingli, Fang, Guojia, Ke, Weijun
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article acetylcholine chloride all‐perovskite tandem solar cells buried interface grain boundary mixed tin‐lead
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520 |a Narrow-bandgap (NBG) mixed tin-lead (Sn-Pb) perovskite solar cells (PSCs) serve as crucial top subcells in all-perovskite tandem solar cells (TSCs). However, the prevalent use of poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate) (PEDOT: PSS) hole transport layers (HTLs) in NBG PSCs compromises device efficiency and stability. To address this, the study proposes a revitalizing strategy for the buried interface of Sn-Pb perovskites by directly immersing acetylcholine chloride (ACh) into PEDOT: PSS. ACh acts as a proficient "diver," not only modulating the bottom PEDOT: PSS HTLs but also facilitating the reconstruction of the buried interface and significantly enhancing the quality of the top perovskite layers. This intervention with ACh prevents Sn2+ oxidation, mitigates buried defects, and encourages the growth of large, densely packed grains within Sn-Pb perovskites. Consequently, the optimized NBG PSCs exhibit significantly improved hole transport and reduced carrier recombination, achieving a steady-state efficiency of 22.98% with enhanced stability. Furthermore, these optimized NBG Sn-Pb cells enable highly efficient two-terminal and four-terminal all-perovskite TSCs, boasting steady-state efficiencies of 27.54% (certified at 26.41%) and 28.01%, respectively. This study emphasizes the importance of optimizing NBG PSCs through buried interface reconstruction, propelling the advancement of all-perovskite TSCs 
650 4 |a Journal Article 
650 4 |a acetylcholine chloride 
650 4 |a all‐perovskite tandem solar cells 
650 4 |a buried interface 
650 4 |a grain boundary 
650 4 |a mixed tin‐lead 
700 1 |a Wang, Chen  |e verfasserin  |4 aut 
700 1 |a Fu, Shiqiang  |e verfasserin  |4 aut 
700 1 |a Zheng, Wenwen  |e verfasserin  |4 aut 
700 1 |a Shen, Weicheng  |e verfasserin  |4 aut 
700 1 |a Jia, Peng  |e verfasserin  |4 aut 
700 1 |a Huang, Lishuai  |e verfasserin  |4 aut 
700 1 |a Zhou, Shun  |e verfasserin  |4 aut 
700 1 |a Zhou, Jin  |e verfasserin  |4 aut 
700 1 |a Wang, Cheng  |e verfasserin  |4 aut 
700 1 |a Guan, Hongling  |e verfasserin  |4 aut 
700 1 |a Zhou, Yuan  |e verfasserin  |4 aut 
700 1 |a Zhang, Xuhao  |e verfasserin  |4 aut 
700 1 |a Pu, Dexin  |e verfasserin  |4 aut 
700 1 |a Fang, Hongyi  |e verfasserin  |4 aut 
700 1 |a Lin, Qingxian  |e verfasserin  |4 aut 
700 1 |a Ai, Wei  |e verfasserin  |4 aut 
700 1 |a Chen, Weiqing  |e verfasserin  |4 aut 
700 1 |a Zeng, Guojun  |e verfasserin  |4 aut 
700 1 |a Wang, Ti  |e verfasserin  |4 aut 
700 1 |a Qin, Pingli  |e verfasserin  |4 aut 
700 1 |a Fang, Guojia  |e verfasserin  |4 aut 
700 1 |a Ke, Weijun  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Advanced materials (Deerfield Beach, Fla.)  |d 1998  |g 36(2024), 36 vom: 29. Sept., Seite e2401698  |w (DE-627)NLM098206397  |x 1521-4095  |7 nnns 
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