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Citation: Runnan Yu, Xirui Liu, Xiangyuan Zheng, Bo Wen, Zhan'ao Tan. Undergraduate experimental design for preparing perovskite quantum dots via room-temperature ligand-assisted reprecipitation and investigating their luminescent properties[J]. University Chemistry, ;2026, 41(7): 290-299. doi: 10.12461/PKU.DXHX202506028 shu

Undergraduate experimental design for preparing perovskite quantum dots via room-temperature ligand-assisted reprecipitation and investigating their luminescent properties

College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China

Corresponding author: Zhan'ao Tan, tanzhanao@mail.buct.edu.cn
Received Date: 3 June 2025
Revised Date: 31 July 2025

To improve the research literacy and practical skills of undergraduates in chemical engineering, chemistry, materials science, and related disciplines, we designed a comprehensive experiment involving the preparation of perovskite quantum dots through room-temperature ligand-assisted reprecipitation. This experiment encompasses the synthesis principles, preparation procedures, optical characterization, and fabrication of photoluminescent white light emitting diodes using both red-emitting CsPbBr_xI₃_-_x and green-emitting CsPbBr₃ perovskite quantum dots. Through this experiment, students will gain fundamental knowledge about this cutting-edge research field while reinforcing their understanding of inorganic chemistry and instrumental analysis. The experiment enhances students’ comprehension of solubility principles and spectral analysis techniques, develops essential laboratory skills, stimulates scientific curiosity, and cultivates problem-solving abilities，so as to lay a solid foundation for future scientific research.
- Perovskite,
- Synthesis of quantum dot,
- Photoluminescence,
- Innovative experiment
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