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High-Efficiency Light-Emitting Diodes of Organometal Halide Perovskite Amorphous Nanoparticles
Open accessAbstract
Organometal halide perovskite has recently emerged as a very promising family of materials with augmented performance in electronic and optoelectronic applications including photovoltaic devices, photodetectors, and light-emitting diodes. Herein, we propose and demonstrate facile solution synthesis of a series of colloidal organometal halide perovskite CH3NH3PbX3 (X = halides) nanoparticles with amorphous structure, which exhibit high quantum yield and tunable emission from ultraviolet to near-infrared. The growth mechanism and photoluminescence properties of the perovskite amorphous nanoparticles were studied in detail. A high-efficiency green-light-emitting diode based on amorphous CH3NH3PbBr3 nanoparticles was demonstrated. The perovskite amorphous nanoparticle-based light-emitting diode shows a maximum luminous efficiency of 11.49 cd/A, a power efficiency of 7.84 lm/W, and an external quantum efficiency of 3.8%, which is 3.5 times higher than that of the best colloidal perovskite quantum-dot-based light-emitting diodes previously reported. Our findings indicate the great potential of colloidal perovskite amorphous nanoparticles in light-emitting devices.
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Cites
Room-Temperature Near-Infrared High-Q Perovskite Whispering-Gallery Planar Nanolasers
Zhang, Q., Ha, S. T., Liu, X., Sum, T. C., & Xiong, Q. (2014) · Nano Letters · doi:10.1021/nl503057g · Cited by 816
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Cited by
CsPbxMn1–xCl3 Perovskite Quantum Dots with High Mn Substitution Ratio
Liu, H., Wu, Z., Shao, J., Yao, D., Gao, H., Liu, Y., Yu, W., Zhang, H., & Yang, B. (2017) · ACS Nano · doi:10.1021/acsnano.6b08747 · Cited by 587
Shi, Z., Li, Y., Zhang, Y., Chen, Y., Li, X., Wu, D., Xu, T., Shan, C., & Du, G. (2017) · Nano Letters · doi:10.1021/acs.nanolett.6b04116 · Cited by 445
Chiba, T., Hoshi, K., Pu, Y.-J., Takeda, Y., Hayashi, Y., Ohisa, S., Kawata, S., & Kido, J. (2017) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.7b03382 · Cited by 336
Blue perovskite light-emitting diodes: progress, challenges and future directions
Kumawat, N. K., Liu, X.-K., Kabra, D., & Gao, F. (2019) · Nanoscale · doi:10.1039/c8nr09885a · Cited by 268
Ellipsometric study of the complex optical constants of a CsPbBr 3 perovskite thin film
Zhao, M., Shi, Y., Dai, J., & Lian, J. (2018) · Journal of Materials Chemistry C · doi:10.1039/c8tc03222j · Cited by 98
Metadata
- Authors
- Xing, J., Yan, F., Zhao, Y., Chen, S., Yu, H., Zhang, Q., Zeng, R., Demir, H. V., Sun, X., Huan, A., & Xiong, Q.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-06-21
- Volume
- 10
- Issue
- 7
- Pages
- 6623-6630
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2418723742
- Cited by
- 401
- References
- 1
- FWCI
- 32.02
- Type
- journal article
- Language
- en
- Open access
- green
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- Xing, J., Yan, F., Zhao, Y., Chen, S., Yu, H., Zhang, Q., Zeng, R., Demir, H. V., Sun, X., Huan, A., & Xiong, Q. (2016). High-Efficiency Light-Emitting Diodes of Organometal Halide Perovskite Amorphous Nanoparticles. ACS Nano. https://doi.org/10.1021/acsnano.6b01540
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