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学者姓名：李迟
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Abstract ：
Textured Czochralski-grown silicon (CZ-Si) integrated with metal halide perovskites present a promising strategy toward low-cost and high-efficiency tandem photovoltaics due to their superior light-trapping capabilities. The challenges in the perovskite/silicon tandem solar cells (P/S-TSCs) is the hole-selective layers (HSLs) that facilitate efficient charge extraction while preventing interfacial shunting. Self-assembled monolayers (SAMs) often suffer from incomplete coverage and limited reproducibility on textured surfaces. In this study, we present a novel self-assembling molecule, 5-(11H-benzo [a]carbazol-11-yl)isophthalic acid (IPABCz), designed with extended It-conjugation and dual anchoring functionality that demonstrates remarkable texture tolerance on CZ-Si. To fabricate wide-bandgap (similar to 1.68 eV) single-junction perovskite solar cells, devices utilizing IPABCz as the hole transport layer (HTL) achieved a champion power conversion efficiency (PCE) of 21.36 % and exhibited an almost negligible hysteresis of 0.94 %. Notably, the highest PCE recorded for the P/S-TSC based on IPABCz as HSL on textured CZ-Si reached up to 30.56 %. Importantly, both device configurations highlight significant improvements in stability. These findings provide a viable strategy for designing texture-tolerant HSLs that can enhance performance in tandem photovoltaic applications.
Keyword ：
Hole-tansport/selective laye Hole-tansport/selective laye Perovskite/silicon tandem solar cells Perovskite/silicon tandem solar cells Texture-tolerance Texture-tolerance
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| GB/T 7714 | Jiang, Heng , Yan, Tingxia , Huang, Xiaokun et al. Novel benzocarbazole-based hole-transport/selective layer with texture-tolerance for efficient perovskite/silicon tandem photovoltaics [J]. | DYES AND PIGMENTS , 2026 , 246 . |
| MLA | Jiang, Heng et al. "Novel benzocarbazole-based hole-transport/selective layer with texture-tolerance for efficient perovskite/silicon tandem photovoltaics" . | DYES AND PIGMENTS 246 (2026) . |
| APA | Jiang, Heng , Yan, Tingxia , Huang, Xiaokun , Li, Chi , Ouyang, Xinhua . Novel benzocarbazole-based hole-transport/selective layer with texture-tolerance for efficient perovskite/silicon tandem photovoltaics . | DYES AND PIGMENTS , 2026 , 246 . |
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Abstract ：
The solution-processible perovskite materials, utilizing the existing silicon infrastructure for perovskite/silicon tandem solar cells (P/S-TSCs), have attracted significant interest due to their low-cost and high efficiency. Hole-selective layers (HSLs) are essential for charge extraction and transport in P/S-TSCs. However, conventional HSLs often encounter issues such as poor conductivity, energy level mismatch, and incomplete coverage on textured surfaces. In this regard, a novel fully conjugated biscarboxylate-anchored self-assembled molecule with limited acidity, 5-(9H-dibenzo[a,c]carbazol-9-yl)-isophthalic acid (IPAPhCz), is developed to enhance interaction with the conductive oxide of ITO (Indium tin oxide), which forms a uniform and conformal coverage that significantly improves the crystalline quality of the top perovskite. Additionally, IPAPhCz features a large tilted dipole moment with optimized energy alignment for hole extraction. The resulting 1.68 eV single-junction PSC achieved a champion power conversion efficiency (PCE) of 22.78%, an increase of approximate to 10.37% over devices using 4PACz (PCE = 20.64%). Furthermore, textured P/S-TSCs based on IPAPhCz reached a champion PCE of 31.80% (approximate to 1 cm2), reflecting a approximate to 9.58% enhancement compared to that on 4PACz (PCE = 29.02%). Both devices incorporating IPAPhCz demonstrated improved stability. The findings present a significant methodology for the design of high-performance HSL materials for textured P/S-TSCs.
Keyword ：
enhanced interaction on conductive oxide enhanced interaction on conductive oxide fully conjugated biscarboxylate self-assembled molecule fully conjugated biscarboxylate self-assembled molecule hole-selective layer hole-selective layer perovskite/silicon tandem solar cells perovskite/silicon tandem solar cells
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| GB/T 7714 | Yan, Tingxia , Zhou, Enbo , Li, Chi et al. Fully Conjugated Biscarboxylate Self-Assembled Molecule Anchoring Enhances Conductive Oxide for Efficient Textured Perovskite/Silicon Tandem Solar Cells [J]. | ADVANCED FUNCTIONAL MATERIALS , 2025 . |
| MLA | Yan, Tingxia et al. "Fully Conjugated Biscarboxylate Self-Assembled Molecule Anchoring Enhances Conductive Oxide for Efficient Textured Perovskite/Silicon Tandem Solar Cells" . | ADVANCED FUNCTIONAL MATERIALS (2025) . |
| APA | Yan, Tingxia , Zhou, Enbo , Li, Chi , Zhong, Yanyi , Zhang, Jiangbin , Han, Kai et al. Fully Conjugated Biscarboxylate Self-Assembled Molecule Anchoring Enhances Conductive Oxide for Efficient Textured Perovskite/Silicon Tandem Solar Cells . | ADVANCED FUNCTIONAL MATERIALS , 2025 . |
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Abstract ：
基于钙钛矿的叠层光伏技术提供了有效的途径来超越太阳能电池的单结理论效率极限，其中钙钛矿/晶硅叠层太阳能电池(P-S/TSCs)已实现了接近 35%的PCE.电荷选择性自组装分子层(CSSAMLs)作为钙钛矿光伏领域一类新型电荷选择接触和复合层材料，助力p-i-n结构(反型)钙钛矿太阳能电池(PSCs)和P-S/TSCs取得了里程碑式突破.
Keyword ：
全芳香结构 全芳香结构 叠层太阳能电池 叠层太阳能电池 电荷选择性 电荷选择性 界面偶极 界面偶极 自组装分子层 自组装分子层
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| GB/T 7714 | 李迟 , 高鹏 , 欧阳新华 . 钙钛矿/晶硅异质结叠层光伏的电荷选择性材料研究 [C] //第三届全国太阳能电池材料与器件发展研讨会论文集 . 2025 : 167-168 . |
| MLA | 李迟 et al. "钙钛矿/晶硅异质结叠层光伏的电荷选择性材料研究" 第三届全国太阳能电池材料与器件发展研讨会论文集 . (2025) : 167-168 . |
| APA | 李迟 , 高鹏 , 欧阳新华 . 钙钛矿/晶硅异质结叠层光伏的电荷选择性材料研究 第三届全国太阳能电池材料与器件发展研讨会论文集 . (2025) : 167-168 . |
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