Advances in Perovskite Light-Emitting Diodes Possessing Improved Lifetime
Abstract
:1. Introduction
2. Fundamental Concepts Determining the Lifetime of PeLEDs
2.1. Perovskite Emitting Materials
2.2. Device Engineering
2.3. Optical Effects
2.4. Advanced Encapsulations
3. Strategies to Obtain PeLEDs with Improved Lifetime
3.1. Basic Aspects of the Lifetime of PeLEDs
3.2. The Design of Perovskite Emitting Materials
3.2.1. Anti-Solvent Engineering
3.2.2. Surface Ligand Engineering
3.2.3. Impurity Doping
3.2.4. Precursor Solution Composition Optimization
3.3. The Innovation of Device Engineering
3.3.1. Modifying Perovskite EMLs with Thin Insulating Layers
3.3.2. Balancing Charge Injection
3.3.3. Exploiting Inorganic Charge Transport Layers
3.3.4. Thin Perovskite EMLs to Increase the Stability
3.4. The Manipulation of Optical Effects
3.5. The Introduction of Advanced Encapsulations
4. Summary and Outlook
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Emitters a | Von b (V) | EQEmax c (%) | Lmax d (cd m−2) | Lifetime e | Reference |
---|---|---|---|---|---|
CsTFA-derived CsPbBr3 | 2.8 | 10.5 | 16,436 | T50 = 250 h at 100 cd m−2 | [28] |
CsPbBr3-PEO-CF | 2.6 | 4.76 | 51,890 | 82% of the initial efficiency after 80 h | [124] |
OPA-CsPbBr3 | 2.8 | 6.5 | 7085 | >50% of the initial efficiency after 30 min | [137] |
DDAB-CsPbBr3 NPLs | 3.6 | 1.42 | 41.8 | T50 ≈ 42 s at 1 mA cm−2 | [138] |
FA0.8Cs0.2PbBr3 | 3.5 | 2.8 | 55,005 | T50 ≈ 85 s | [158] |
CsPb0.9Mg0.1Br3 | ~2.7 | 3.6 | 25,450 | T50 = 138 min at ~100 cd m−2 | [167] |
CsPbBr3 | 5.8 | 0.35 | 2983 | T50 ≈ 120 s at 7 V | [193] |
CsPbBr3 | 4.8 | 1.43 | 452 | T50 = 460 s at 9 V | [202] |
CsPbBr3 | 3.0 | 2.39 | 3809 | ~80% of the initial efficiency after 10 h | [211] |
FAPbBr3 | - | 11.3 | 79,700 | T50 ≈ 6 min at 10 mA cm−2 | [229] |
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Xiao, P.; Yu, Y.; Cheng, J.; Chen, Y.; Yuan, S.; Chen, J.; Yuan, J.; Liu, B. Advances in Perovskite Light-Emitting Diodes Possessing Improved Lifetime. Nanomaterials 2021, 11, 103. https://doi.org/10.3390/nano11010103
Xiao P, Yu Y, Cheng J, Chen Y, Yuan S, Chen J, Yuan J, Liu B. Advances in Perovskite Light-Emitting Diodes Possessing Improved Lifetime. Nanomaterials. 2021; 11(1):103. https://doi.org/10.3390/nano11010103
Chicago/Turabian StyleXiao, Peng, Yicong Yu, Junyang Cheng, Yonglong Chen, Shengjin Yuan, Jianwen Chen, Jian Yuan, and Baiquan Liu. 2021. "Advances in Perovskite Light-Emitting Diodes Possessing Improved Lifetime" Nanomaterials 11, no. 1: 103. https://doi.org/10.3390/nano11010103