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High-performance large-area quasi-2D perovskite light-emitting diodes
Open accessAbstract
Serious performance decline arose for perovskite light-emitting diodes (PeLEDs) once the active area was enlarged. Here we investigate the failure mechanism of the widespread active film fabrication method; and ascribe severe phase-segregation to be the reason. We thereby introduce L-Norvaline to construct a COO−-coordinated intermediate phase with low formation enthalpy. The new intermediate phase changes the crystallization pathway, thereby suppressing the phase-segregation. Accordingly, high-quality large-area quasi-2D films with desirable properties are obtained. Based on this, we further rationally adjusted films’ recombination kinetics. We reported a series of highly-efficient green quasi-2D PeLEDs with active areas of 9.0 cm 2. The peak EQE of 16.4% is achieved in <n > = 3, represent the most efficient large-area PeLEDs yet. Meanwhile, high brightness device with luminance up to 9.1 × 10 4 cd m−2 has achieved in <n> = 10 film.
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Solvent engineering for high-performance inorganic–organic hybrid perovskite solar cells
Jeon, N. J., Noh, J. H., Kim, Y. C., Yang, W. S., Ryu, S., & Seok, S. I. (2014) · Nature Materials · doi:10.1038/nmat4014 · Cited by 6,723
Theory, Production and Mechanism of Formation of Monodispersed Hydrosols
LaMer, V. K., & Dinegar, R. H. (1950) · Journal of the American Chemical Society · doi:10.1021/ja01167a001 · Cited by 3,894
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Li, G., Su, Z., Canil, L., Hughes, D., Aldamasy, M. H., Dagar, J., Trofimov, S., Wang, L., Zuo, W., Jerónimo-Rendon, J. J., et al. (2023) · Science · doi:10.1126/science.add7331 · Cited by 572
Highly Bright and Stable Lead‐Free Double Perovskite White Light‐Emitting Diodes
Jin, S., Yuan, H., Pang, T., Zhang, M., Li, J., Zheng, Y., Wu, T., Zhang, R., Wang, Z., & Chen, D. (2024) · Advanced Materials · doi:10.1002/adma.202308487 · Cited by 100
Facet junction of two-dimensional metal halide perovskite for photocatalytic hydrogen evolution
Wang, X., Sui, X., Wang, M., Zheng, Z., Yuan, H., Yang, S., Yang, H. G., Peng, Y., & Hou, Y. (2025) · Applied Catalysis B: Environment and Energy · doi:10.1016/j.apcatb.2024.124937 · Cited by 15
Metadata
- Authors
- Sun, C., Jiang, Y., Cui, M., Qiao, L., Wei, J., Huang, Y., Zhang, L., He, T., Li, S., Hsu, H.-Y., Qin, C., Long, R., & Yuan, M.
- Venue
- Nature Communications
- Published
- 2021-04-13
- Volume
- 12
- Issue
- 1
- Pages
- 2207-2207
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W3156248107
- Cited by
- 327
- References
- 2
- FWCI
- 16.71
- Type
- journal article
- Language
- en
- Open access
- gold
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- Sun, C., Jiang, Y., Cui, M., Qiao, L., Wei, J., Huang, Y., Zhang, L., He, T., Li, S., Hsu, H.-Y., Qin, C., Long, R., & Yuan, M. (2021). High-performance large-area quasi-2D perovskite light-emitting diodes. Nature Communications. https://doi.org/10.1038/s41467-021-22529-x
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