Characteristics and performance of flexible perovskite light-emitting diodes

• Future displays will need to be stretchable, bendable and wearable to meet consumer demands for convenience, portable devices and real-time information display. There is an urgent need to develop flexible light source components, such as flexible light-emitting diodes ( LEDs ), to meet these needs.

  
  

  Tian Jianjun and others from the University of Science and Technology Beijing reviewed the characteristics and performance of flexible perovskite light-emitting diodes. Metal halide perovskites are known for their excellent optoelectronic properties and ductility and are considered to be highly potential luminescent materials for high-definition displays. Their outstanding advantage is that metal halide perovskites can produce light at low temperatures ( <150 ° C) . ) is prepared by a solution process, which is particularly beneficial for flexible organic substrates to maintain high conductivity during the manufacturing process of flexible LEDs .

  
  

  In recent years, flexible perovskite LEDs have made significant progress, but they still face many difficulties, obstacles and huge challenges. The authors study the mechanical properties of perovskite materials and discuss the failure of perovskite-based flexible optoelectronic devices under strain. The authors then focus on optimizing each functional layer and summarize the latest progress in flexible perovskite LEDs . Finally, the author gives a brief outlook on the challenges faced by flexible perovskite LEDs and their possible future developments.

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• Aqiang Liu et.al Flexible Perovskite Light-Emitting Diodes: Characteristics and Performance Adv. Functional Mater. 2023

  
  

  DOI: 10.1002/adfm.202312209

  
  

  https://doi.org/10.1002/adfm.202312209