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Cation synergistic substitution strategy for luminescence modulation in tin−based halide perovskites
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Zhou LU1, 2, Jiale ZHU1, Xin ZHOU1, Lu ZHAO1, Suyin ZHANG1, Xuhui FENG3, Peiqing CAI3, Qinhua WEI1, Hang YIN1, 4, *, Laishun QIN1
Science & Technology Review | 2025, 43(19) : 95 - 105
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Science & Technology Review | 2025, 43(19): 95-105
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Cation synergistic substitution strategy for luminescence modulation in tin−based halide perovskites
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Zhou LU1, 2, Jiale ZHU1, Xin ZHOU1, Lu ZHAO1, Suyin ZHANG1, Xuhui FENG3, Peiqing CAI3, Qinhua WEI1, Hang YIN1, 4, *, Laishun QIN1
Affiliations
  • 1. College of Material and Chemistry, China Jiliang University, Hangzhou 310018, China
  • 2. College of Material Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, China
  • 3. College of Optical and Electronic Technology, China Jiliang University, Hangzhou 310018, China
  • 4. Division of Chemical Physics, Lund University, Lund 22100, Sweden
Published: 2025-10-13 doi: 10.3981/j.issn.1000-7857.2025.05.00110
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216−type metal halide perovskites (A2BX6) have garnered significant attention in recent years due to their environmental friendliness and excellent optoelectronic properties. However, large bandgaps, high production costs, and suboptimal photoluminescence (PL) limit the further applications in optoelectronics. To overcome these limitations, cation synergistic substitution at both the A−site and B−site has emerged as an effective strategy to tune and optimize their optical properties. In this study, Bi3+−doped Cs2SnCl6 and (BTP)2SnCl6 (BTP+=C25H22P+) were successfully synthesized via a cost−effective and high−yield solution crystallization method under varying temperature conditions. Structural and optical characterizations reveal that both Cs2SnCl6: xBi3+ and (BTP)2SnCl6: xBi3+ exhibit bright blue self−trapped excitons (STE) emission. Their luminescence properties can be effectively tuned by tuning Bi3+ doping concentrations, with excellent STE emission achieved at 5%. Notably, distinct differences in luminescence features, including Stokes shift, full width at half maximum (FWHM), PL decay time, and chromaticity coordinates, are observed in Cs2SnCl6: xBi3+ and (BTP)2SnCl6: xBi3+. These differences originate from the lattice isolation effects induced by the different sizes and functionalities of A−site cations, further influencing the dynamic behaviors of exited−state carrier. Based on these findings, a temperature−responsive dual−color fluorescent anti−counterfeiting seal was designed, demonstrating the practical application potential of these materials. Our strategy on cation synergistic substitution provides a theoretical and experimental guidance to develop novel tin−based perovskites.

tin−based halide perovskite  /  solution crystallization  /  cation synergistic substitution  /  Bi3+−doping  /  self−trapped excitons
Zhou LU, Jiale ZHU, Xin ZHOU, Lu ZHAO, Suyin ZHANG, Xuhui FENG, Peiqing CAI, Qinhua WEI, Hang YIN, Laishun QIN. Cation synergistic substitution strategy for luminescence modulation in tin−based halide perovskites[J]. Science & Technology Review, 2025 , 43 (19) : 95 -105 . DOI: 10.3981/j.issn.1000-7857.2025.05.00110
Year 2025 volume 43 Issue 19
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Article Info
doi: 10.3981/j.issn.1000-7857.2025.05.00110
  • Receive Date:2025-05-19
  • Online Date:2025-12-18
  • Published:2025-10-13
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History
  • Received:2025-05-19
  • Revised:2025-06-27
  • Accepted:2025-09-19
Funding
Affiliations
    1. College of Material and Chemistry, China Jiliang University, Hangzhou 310018, China
    2. College of Material Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, China
    3. College of Optical and Electronic Technology, China Jiliang University, Hangzhou 310018, China
    4. Division of Chemical Physics, Lund University, Lund 22100, Sweden
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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