Journal of Semiconductors, Volume. 46, Issue 5, 052803(2025)
Compositional engineering for lead-free antimony bismuth alloy-based halide perovskite solar cells
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Fig. 1. (Color online) (a) Schematic illustration of the spin-coating process. (b) Device architecture. (c) Crystal structure of Cs3(SbxBi1–x)2I6Br3 perovskite. (d) Optical images of film with different ratios of antimony and bismuth.
Fig. 2. (Color online) (a)–(e) Top-view SEM images of different Cs3(SbxBi1–x)2I6Br3 perovskite. (f)–(j) AFM images of different Cs3(SbxBi1–x)2I6Br3 perovskite.
Fig. 3. (Color online) The XRD patterns of Cs3(SbxBi1–x)2I6Br3 perovskite.
Fig. 4. (Color online) (a) Absorbance spectra. (b) Tauc plots of absorbance. (c) PL spectra and (d) J−V curves of different Cs3(SbxBi1−x)2I6Br3 perovskite.
Table 1. The best device efficiencies with different ratios of antimony and bismuth.
View tableView in ArticleTable 1. The best device efficiencies with different ratios of antimony and bismuth.
Ratio VOC (V) JSC (mA/cm2) FF (%) Efficiency (%) 100% Sb 0.75 0.31 46.6 0.11 75% Sb−25% Bi 0.82 0.64 37.4 0.198 50% Sb−50% Bi 1.01 1.33 48.0 0.645 25% Sb−75% Bi 0.87 0.90 41.3 0.324 100% Bi 0.69 0.98 38.1 0.258
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Ziyu Cai, Junchi Zhu, Chenyuan Ding, Tao Dong, Boyang Yu, Wenzheng Hu, Jiayi Xie, Feng Ye, Qiufeng Ye, Zebo Fang. Compositional engineering for lead-free antimony bismuth alloy-based halide perovskite solar cells[J]. Journal of Semiconductors, 2025, 46(5): 052803
Paper Information
Category: Research Articles
Received: Dec. 9, 2024
Accepted: --
Published Online: Jun. 4, 2025
The Author Email: Feng Ye (FYe), Qiufeng Ye (QFYe), Zebo Fang (ZBFang)
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