Potential and perspectives of halide perovskites in light emitting devices

被引:9
作者
Le, Khan [1 ]
Heshmati, Niusha [1 ]
Mathur, Sanjay [1 ]
机构
[1] Univ Cologne, Inst Anorgan Chem, Greinstr 6, D-50939 Cologne, Germany
关键词
Halide perovskite-based LEDs (PeLEDs); PeLEDs structure; Stability & scalability; Device challenges; Perovskite nanocrystals; Colloidal perovskite; Electroluminescence; MIXED-CATION PEROVSKITES; ION MIGRATION; LARGE-AREA; SOLAR-CELLS; QUANTUM DOTS; DIODES; EFFICIENT; NANOCRYSTALS; LAYER; STABILITY;
D O I
10.1186/s40580-023-00395-1
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Light emitting diodes (LEDs) have become part of numerous electrical and electronic systems such as lighting, displays, status indicator lamps and wearable electronics. Owing to their excellent optoelectronic properties and deposition via simple solution process, metal halide perovskites possess unique potential for developing halide perovskite-based LEDs (PeLEDs) with superior photoluminescence efficiencies leading to external quantum efficiencies beyond 20% for PeLEDS. However, the limited durability, high operative voltages, and challenges of scale-up are persisting barriers in achieving required technology readiness levels. To build up the existing knowledge and raise the device performance this review provides a state-of-the-art study on the properties, film and device fabrication, efficiency, and stability of PeLEDs. In terms of commercialization, PeLEDs need to overcome materials and device challenges including stability, ion migration, phase segregation, and joule heating, which are discussed in this review. We hope, discussions about the strategies to overcome the stability issues and enhancement the materials intrinsic properties towards development more stable and efficient optoelectronic devices can pave the way for scalability and cost-effective production of PeLEDs.
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页数:24
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