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Perovskite nanocrystals: synthesis, properties and applications
Pengfei Fu1, Qingsong Shan2, Yuequn Shang1
1Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China; University of Chinese Academy of Sciences, Beijing 100049, China; School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China.
Science Bulletin
|January 20, 2023
Summary
Halide perovskites are promising optoelectronic materials. Perovskite nanocrystals, synthesized via solution processes, offer high luminescence and tunable colors for applications in light-emitting diodes (LEDs) and lasers.
Area of Science:
- Materials Science
- Nanotechnology
- Optoelectronics
Background:
- Halide perovskites are emerging as key materials for optoelectronic applications beyond solar cells.
- Research in bulk perovskites has spurred interest in developing perovskite nanocrystals (PeNCs).
- Colloidal semiconductor quantum dots provide a benchmark for PeNC development.
Purpose of the Study:
- To provide a comprehensive overview of perovskite nanocrystals.
- To detail synthesis strategies, characteristics, and applications of PeNCs.
- To highlight PeNCs' potential in optoelectronic devices.
Main Methods:
- Solution-based synthesis of perovskite nanocrystals.
- Characterization of physical and chemical properties.
- Evaluation of PeNCs in optoelectronic device applications.
Main Results:
- Perovskite nanocrystals exhibit high luminescence quantum yield.
- Sharp emission peaks and tunable emission colors are achieved.
- Significant progress in applying PeNCs to LEDs and lasers.
Conclusions:
- Perovskite nanocrystals are versatile materials for optoelectronics.
- Solution synthesis enables desirable optical properties.
- PeNCs show great promise for advanced light-emitting and laser technologies.
