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Dual-interface engineering strategy for optimizing carrier dynamics in perovskite-silicon tandem solar cells

投稿的翻译标题: 钙钛矿-硅串联太阳能电池载流子动力学优化的双界 面工程策略
  • Quanxing Ma
  • , Yifan Chen
  • , Zhou Liu
  • , Xinxin Lian
  • , Ming Luo
  • , Shaobing Xiong
  • , Jike Ding
  • , Wenhuan Gao
  • , Xueling Zhang
  • , Yi Mo
  • , Qinye Bao
  • , Shengfan Wu
  • , Yifeng Chen
  • , Zhiqiang Feng
  • , Xiaoliang Mo*
  • , Cong Chen*
  • , Junhao Chu
  • , Hong Zhang*
  • *此作品的通讯作者
  • Fudan University
  • Hebei University of Technology
  • Ltd.
  • Lingnan University

科研成果: 期刊稿件文章同行评审

摘要

This study demonstrates a dual-interface engineering approach for performance enhancement in perovskite-silicon tandem solar cells. By applying ethylenediamine dihydroiodide (EDAI2) to simultaneously modify both top and bottom interfaces of wide-bandgap perovskite layers, we achieve synergistic defect suppression and charge transport optimization. Time-resolved photoluminescence characterization reveals extended carrier lifetimes and improved spatial homogeneity in dual-modified perovskite films. The optimized single-junction wide-bandgap (>1.66 eV) perovskite solar cells attain a champion efficiency of 22.75% with enhanced operational stability. Implemented in perovskite-silicon tandem configuration, the devices achieve over 31% power conversion efficiency, validating the effectiveness of organic ligand-mediated dual-interface engineering in regulating carrier dynamics and advancing perovskite-based tandem photovoltaics. (Figure presented.).

投稿的翻译标题钙钛矿-硅串联太阳能电池载流子动力学优化的双界 面工程策略
源语言英语
页(从-至)812-821
页数10
期刊Science China Materials
69
2
DOI
出版状态已出版 - 2月 2026

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