The DOI matches its Crossref record; 58 of the 58 references it cites were found in a registry or an index.
Efficient Light-Emitting Diodes Based on in Situ Fabricated FAPbBr3 Nanocrystals: The Enhancing Role of the Ligand-Assisted Reprecipitation Process
Abstract
In this paper, we reported the in situ fabrication of highly luminescent formamidinium lead bromide (FAPbBr 3 ) nanocrystal thin films by dropping toluene as an anti-solvent during the spin-coating with a perovskite precursor solution using 3,3-diphenylpropylamine bromide (DPPA-Br) as a ligand. The resulting films are uniform and composed of 5–20 nm FAPbBr 3 perovskite nanocrystals. By monitoring the solvent mixing of anti-solvent and precursor solution on the substrates, we illustrated the difference between the ligand-assisted reprecipitation (LARP) process and the nanocrystal-pinning (NCP) process. This understanding provides a guideline for film optimization, and the optimized films obtained through the in situ LARP process exhibit strong photoluminescence emission at 528 nm, with quantum yields up to 78% and an average photoluminescence lifetime of 12.7 ns. In addition, an exciton binding energy of 57.5 meV was derived from the temperature-dependent photoluminescence measurement. More importantly, we achieved highly efficient pure green perovskite based light-emitting diode (PeLEDs) devices with an average external quantum efficiency (EQE) of 7.3% (maximum EQE is 16.3%) and an average current efficiency (CE) of 29.5 cd A –1 (maximum CE is 66.3 cd A –1 ) by adapting a conventional device structure of ITO/PEDOT:PSS/TFB/perovskite film/TPBi/LiF/Al. It is expected that the in situ LARP process provides an effective methodology for the improvement of the performance of PeLEDs.
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Bright light-emitting diodes based on organometal halide perovskite
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Metal-halide perovskites for photovoltaic and light-emitting devices
Stranks, S. D., & Snaith, H. J. (2015) · Nature Nanotechnology · doi:10.1038/nnano.2015.90 · Cited by 3,392
Low-temperature solution-processed wavelength-tunable perovskites for lasing
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Overcoming the electroluminescence efficiency limitations of perovskite light-emitting diodes
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Organic–Inorganic Perovskites: Structural Versatility for Functional Materials Design
Saparov, B., & Mitzi, D. B. (2016) · Chemical Reviews · doi:10.1021/acs.chemrev.5b00715 · Cited by 2,907
Quantum Dot Light‐Emitting Diodes Based on Inorganic Perovskite Cesium Lead Halides (CsPbX3)
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Self-citationLead halide perovskite nanowire lasers with low lasing thresholds and high quality factors
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Self-citationPerovskite energy funnels for efficient light-emitting diodes
Yuan, M., Quan, L. N., Comin, R., Walters, G., Sabatini, R., Voznyy, O., Hoogland, S., Zhao, Y., Beauregard, E. M., Kanjanaboos, P., et al. (2016) · Nature Nanotechnology · doi:10.1038/nnano.2016.110 · Cited by 2,325
Cited by
Low‐Dimensional Metal Halide Perovskite Photodetectors
Wang, H., Li, S., Liu, X., Shi, Z., Fang, X., & He, J. (2021) · Advanced Materials · doi:10.1002/adma.202003309 · Cited by 574
Metadata
- Authors
- Han, D., Imran, M., Zhang, M., Chang, S., Wu, X.-G., Zhang, X., Tang, J., Wang, M., Ali, S., Li, X., Yu, G., Han, J., Wang, L., Zou, B., & Zhong, H.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-08-06
- Volume
- 12
- Issue
- 8
- Pages
- 8808-8816
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2887595704
- Cited by
- 298
- References
- 58
- FWCI
- 15.34
- Type
- journal article
- Language
- en
- Open access
- closed
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- Han, D., Imran, M., Zhang, M., Chang, S., Wu, X.-G., Zhang, X., Tang, J., Wang, M., Ali, S., Li, X., Yu, G., Han, J., Wang, L., Zou, B., & Zhong, H. (2018). Efficient Light-Emitting Diodes Based on in Situ Fabricated FAPbBr3 Nanocrystals: The Enhancing Role of the Ligand-Assisted Reprecipitation Process. ACS Nano. https://doi.org/10.1021/acsnano.8b05172
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