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Crystallization suppression of mixed-halide intermediates for perovskite/Cu(In,Ga)Se2 tandem solar cells with improved efficiency

Manya Li1, §, Linjing Jing2, § and Hairen Tan1, §,

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 Corresponding author: Hairen Tan, hairentan@nju.edu.cn

DOI: 10.1088/1674-4926/26020045CSTR: 32376.14.1674-4926.26020045

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[1]
Liu W Z, Liu Y J, Yang Z Q, et al. Flexible solar cells based on foldable silicon wafers with blunted edges. Nature, 2023, 617: 717 doi: 10.1038/s41586-023-05921-z
[2]
Ou W N, Liang J, Guo J Y, et al. High-efficiency Fabry-Pérot-resonance-based color-tunable bifacial perovskite solar cells for building integrated photovoltaics. Adv Energy Mater, 2025, 15: 2502208
[3]
Shin S S, Park B, Noh J H, et al. Interlayer engineering in metal halide perovskite photovoltaics. Nat Photonics, 2026, 20: 11 doi: 10.1038/s41566-025-01809-8
[4]
Pei F T, Lin S P, Tang J H, et al. Perovskite/CIGS tandem solar cells with over 1000 h operational stability through interconnection stress relief. J Am Chem Soc, 2025, 147: 36815 doi: 10.1021/jacs.5c13264
[5]
Li M Y, Gao H, Li L D, et al. In situ coating strategy for flexible all-perovskite tandem modules. Nat Photonics, 2025, 19: 1255 doi: 10.1038/s41566-025-01746-6
[6]
Shockley W, Queisser H J. Detailed balance limit of efficiency of p-n junction solar cells. J Appl Phys, 1961, 32: 510 doi: 10.1063/1.1736034
[7]
Zhang S C, Bi E B, Lei B R, et al. Crystallization suppression of mixed-halide intermediates for perovskite/Cu(In, Ga)Se2 tandem solar cells with improved efficiency. Nat Energy, 2026
[8]
Xiao K, Lin Y H, Zhang M, et al. Scalable processing for realizing 21.7%-efficient all-perovskite tandem solar modules. Science, 2022, 376(6594): 762 doi: 10.1126/science.abn7696
[9]
Gao H, Xiao K, Lin R X, et al. Homogeneous crystallization and buried interface passivation for perovskite tandem solar modules. Science, 2024, 383(6685): 855 doi: 10.1126/science.adj6088
[10]
Hailegnaw B, Demchyshyn S, Putz C, et al. Flexible quasi-2D perovskite solar cells with high specific power and improved stability for energy-autonomous drones. Nat Energy, 2024, 9: 677 doi: 10.1038/s41560-024-01500-2
[11]
Li T Q, Mao K T, Meng H G, et al. Understanding the interfacial reactions and band alignment for efficient and stable perovskite solar cells built on metal substrates with reduced upscaling losses. Adv Mater, 2023, 35: 2211959 doi: 10.1002/adma.202211959
[1]
Liu W Z, Liu Y J, Yang Z Q, et al. Flexible solar cells based on foldable silicon wafers with blunted edges. Nature, 2023, 617: 717 doi: 10.1038/s41586-023-05921-z
[2]
Ou W N, Liang J, Guo J Y, et al. High-efficiency Fabry-Pérot-resonance-based color-tunable bifacial perovskite solar cells for building integrated photovoltaics. Adv Energy Mater, 2025, 15: 2502208
[3]
Shin S S, Park B, Noh J H, et al. Interlayer engineering in metal halide perovskite photovoltaics. Nat Photonics, 2026, 20: 11 doi: 10.1038/s41566-025-01809-8
[4]
Pei F T, Lin S P, Tang J H, et al. Perovskite/CIGS tandem solar cells with over 1000 h operational stability through interconnection stress relief. J Am Chem Soc, 2025, 147: 36815 doi: 10.1021/jacs.5c13264
[5]
Li M Y, Gao H, Li L D, et al. In situ coating strategy for flexible all-perovskite tandem modules. Nat Photonics, 2025, 19: 1255 doi: 10.1038/s41566-025-01746-6
[6]
Shockley W, Queisser H J. Detailed balance limit of efficiency of p-n junction solar cells. J Appl Phys, 1961, 32: 510 doi: 10.1063/1.1736034
[7]
Zhang S C, Bi E B, Lei B R, et al. Crystallization suppression of mixed-halide intermediates for perovskite/Cu(In, Ga)Se2 tandem solar cells with improved efficiency. Nat Energy, 2026
[8]
Xiao K, Lin Y H, Zhang M, et al. Scalable processing for realizing 21.7%-efficient all-perovskite tandem solar modules. Science, 2022, 376(6594): 762 doi: 10.1126/science.abn7696
[9]
Gao H, Xiao K, Lin R X, et al. Homogeneous crystallization and buried interface passivation for perovskite tandem solar modules. Science, 2024, 383(6685): 855 doi: 10.1126/science.adj6088
[10]
Hailegnaw B, Demchyshyn S, Putz C, et al. Flexible quasi-2D perovskite solar cells with high specific power and improved stability for energy-autonomous drones. Nat Energy, 2024, 9: 677 doi: 10.1038/s41560-024-01500-2
[11]
Li T Q, Mao K T, Meng H G, et al. Understanding the interfacial reactions and band alignment for efficient and stable perovskite solar cells built on metal substrates with reduced upscaling losses. Adv Mater, 2023, 35: 2211959 doi: 10.1002/adma.202211959
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    Received: Revised: Online: Accepted Manuscript: 27 March 2026

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      Manya Li, Linjing Jing, Hairen Tan. Crystallization suppression of mixed-halide intermediates for perovskite/Cu(In,Ga)Se2 tandem solar cells with improved efficiency[J]. Journal of Semiconductors, 2026, In Press. doi: 10.1088/1674-4926/26020045 ****M Y Li, L J Jing, and H R Tan, Crystallization suppression of mixed-halide intermediates for perovskite/Cu(In,Ga)Se2 tandem solar cells with improved efficiency[J]. J. Semicond., 2026, accepted doi: 10.1088/1674-4926/26020045
      Citation:
      Manya Li, Linjing Jing, Hairen Tan. Crystallization suppression of mixed-halide intermediates for perovskite/Cu(In,Ga)Se2 tandem solar cells with improved efficiency[J]. Journal of Semiconductors, 2026, In Press. doi: 10.1088/1674-4926/26020045 ****
      M Y Li, L J Jing, and H R Tan, Crystallization suppression of mixed-halide intermediates for perovskite/Cu(In,Ga)Se2 tandem solar cells with improved efficiency[J]. J. Semicond., 2026, accepted doi: 10.1088/1674-4926/26020045

      Crystallization suppression of mixed-halide intermediates for perovskite/Cu(In,Ga)Se2 tandem solar cells with improved efficiency

      DOI: 10.1088/1674-4926/26020045
      CSTR: 32376.14.1674-4926.26020045
      More Information
      • Manya Li received her bachelor’s degree in New Energy Science and Engineering from Nanjing University in 2021. She is currently a doctoral student at the College of Engineering and Applied Sciences, Nanjing University. Her research focuses on semiconductor optoelectronic materials and devices for new energy applications, with a particular interest in the development and industrialization of flexible perovskite and flexible perovskite/perovskite tandem photovoltaic technologies
      • Hairen Tan received his doctoral degree from Delft University of Technology, the Netherlands, in 2015. He is currently a Professor at the College of Engineering and Applied Sciences, Nanjing University, and the founder of Renshuo Solar. His research interests focus on the development and industrial translation of novel photovoltaic materials and devices, including perovskite solar cells, silicon solar cells, and high-efficiency low-cost tandem solar cells
      • Corresponding author: hairentan@nju.edu.cn
      • Available Online: 2026-03-27

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