Top-Down Dual-Interface Carrier Management for Highly Efficient and Stable Perovskite/Silicon Tandem Solar Cells

Top-Down Dual-Interface Carrier Management for Highly Efficient and Stable Perovskite/Silicon Tandem Solar Cells

Highlights An innovated top-down dual-interface carrier management strategy is developed to effectively improve both interfaces of the wide-bandgap perovskite using a multi-functionalized piperazinium chloride post-treatment. The 1.68 eV unencapsulated single-junction perovskite solar cells exhibit...

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Bibliographic Details
Main Authors: Xin Li, Zhiqin Ying, Shuo Li, Lei Chen, Meili Zhang, Linhui Liu, Xuchao Guo, Jun Wu, Yihan Sun, Chuanxiao Xiao, Yuheng Zeng, Jian Wu, Xi Yang, Jichun Ye
Format: Article
Language:English
Published: SpringerOpen 2025-02-01
Series:Nano-Micro Letters
Subjects:
Perovskite/silicon tandem solar cells
Carrier management
Dual-interface
Post-treatment
Online Access:https://doi.org/10.1007/s40820-024-01631-x
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Summary:Highlights An innovated top-down dual-interface carrier management strategy is developed to effectively improve both interfaces of the wide-bandgap perovskite using a multi-functionalized piperazinium chloride post-treatment. The 1.68 eV unencapsulated single-junction perovskite solar cells exhibit a champion PCE of 22.3%, with a record V OC × FF product (84.4% relative to the Shockley–Queisser limit). An impressive PCE of 31.5% for the 1.04 cm2 monolithic perovskite/silicon tandem solar cell based on silicon heterojunction bottom cell is demonstrated.
ISSN:2311-6706
2150-5551

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