Highly Efficient Monolithic Perovskite/TOPCon Silicon Tandem Solar Cells Enabled by "Halide Locking"

Highly Efficient Monolithic Perovskite/TOPCon Silicon Tandem Solar Cells Enabled by "Halide Locking"

© 2025 Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - (2025) vom: 02. Jan., Seite e2416150
1. Verfasser: Wang, Lina (VerfasserIn)
Weitere Verfasser: Wang, Ning, Wu, Xin, Liu, Baoze, Liu, Qi, Li, Bo, Zhang, Dong, Kalasariya, Nikhil, Zhang, Yuanfang, Yan, Xunlei, Wang, Jungan, Zheng, Peiting, Yang, Jie, Jin, Hao, Wang, Chenyue, Qian, Liangchen, Yang, Bin, Wang, Yan, Cheng, Xuelan, Song, Tinglu, Stolterfoht, Martin, Zeng, Xiao Cheng, Zhang, Xinyu, Xu, Menglei, Bai, Yang, Xu, Fang, Zhou, Cangtao, Zhu, Zonglong
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2025
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article crystalline processing regulation perovskite/silicon tandem solar cells phase segregation wide‐bandgap perovskite
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520 |a Perovskite/silicon tandem solar cells (TSCs) are promising candidates for commercialization due to their outstanding power conversion efficiencies (PCEs). However, controlling the crystallization process and alleviating the phases/composition inhomogeneity represent a considerable challenge for perovskite layers grown on rough silicon substrates, ultimately limiting the efficiency and stability of TSC. Here, this study reports a "halide locking" strategy that simultaneously modulates the nucleation and crystal growth process of wide bandgap perovskites by introducing a multifunctional ammonium salt, thioacetylacetamide hydrochloride (TAACl), to bind with all types of cations and anions in the mixed halide perovskite precursor. The approach not only enables excellent compositional uniformity in the wet-film stage but also induces preferred orientation along the (001) plane following nucleation, leading to enhanced homogeneity of the perovskite film in both vertical and horizontal directions over long-length scales. The resulting wide-bandgap perovskite solar cells yield exceptional open-circuit voltage-fill factor products (VOC × FF) of 1.074 and 1.040 in small- (0.0414 cm2) and large-area (1.0208 cm2) devices, respectively. Corresponding large-area tandem solar cells based on the Tunnel Oxide Passivated Contact (TOPCon) silicon subcells achieve a record PCE of 31.32% with a remarkable VOC of 1.931 V and FF of 81.54% 
650 4 |a Journal Article 
650 4 |a crystalline processing regulation 
650 4 |a perovskite/silicon tandem solar cells 
650 4 |a phase segregation 
650 4 |a wide‐bandgap perovskite 
700 1 |a Wang, Ning  |e verfasserin  |4 aut 
700 1 |a Wu, Xin  |e verfasserin  |4 aut 
700 1 |a Liu, Baoze  |e verfasserin  |4 aut 
700 1 |a Liu, Qi  |e verfasserin  |4 aut 
700 1 |a Li, Bo  |e verfasserin  |4 aut 
700 1 |a Zhang, Dong  |e verfasserin  |4 aut 
700 1 |a Kalasariya, Nikhil  |e verfasserin  |4 aut 
700 1 |a Zhang, Yuanfang  |e verfasserin  |4 aut 
700 1 |a Yan, Xunlei  |e verfasserin  |4 aut 
700 1 |a Wang, Jungan  |e verfasserin  |4 aut 
700 1 |a Zheng, Peiting  |e verfasserin  |4 aut 
700 1 |a Yang, Jie  |e verfasserin  |4 aut 
700 1 |a Jin, Hao  |e verfasserin  |4 aut 
700 1 |a Wang, Chenyue  |e verfasserin  |4 aut 
700 1 |a Qian, Liangchen  |e verfasserin  |4 aut 
700 1 |a Yang, Bin  |e verfasserin  |4 aut 
700 1 |a Wang, Yan  |e verfasserin  |4 aut 
700 1 |a Cheng, Xuelan  |e verfasserin  |4 aut 
700 1 |a Song, Tinglu  |e verfasserin  |4 aut 
700 1 |a Stolterfoht, Martin  |e verfasserin  |4 aut 
700 1 |a Zeng, Xiao Cheng  |e verfasserin  |4 aut 
700 1 |a Zhang, Xinyu  |e verfasserin  |4 aut 
700 1 |a Xu, Menglei  |e verfasserin  |4 aut 
700 1 |a Bai, Yang  |e verfasserin  |4 aut 
700 1 |a Xu, Fang  |e verfasserin  |4 aut 
700 1 |a Zhou, Cangtao  |e verfasserin  |4 aut 
700 1 |a Zhu, Zonglong  |e verfasserin  |4 aut 
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