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Highly Luminescent Cesium Lead Halide Perovskite Nanocrystals with Tunable Composition and Thickness by Ultrasonication
Open accessAbstract
We describe the simple, scalable, single‐step, and polar‐solvent‐free synthesis of high‐quality colloidal CsPbX 3 (X=Cl, Br, and I) perovskite nanocrystals (NCs) with tunable halide ion composition and thickness by direct ultrasonication of the corresponding precursor solutions in the presence of organic capping molecules. High angle annular dark field scanning transmission electron microscopy (HAADF‐STEM) revealed the cubic crystal structure and surface termination of the NCs with atomic resolution. The NCs exhibit high photoluminescence quantum yields, narrow emission line widths, and considerable air stability. Furthermore, we investigated the quantum size effects in CsPbBr 3 and CsPbI 3 nanoplatelets by tuning their thickness down to only three to six monolayers. The high quality of the prepared NCs (CsPbBr 3) was confirmed by amplified spontaneous emission with low thresholds. The versatility of this synthesis approach was demonstrated by synthesizing different perovskite NCs.
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Akkerman, Q. A., D’Innocenzo, V., Accornero, S., Scarpellini, A., Petrozza, A., Prato, M., & Manna, L. (2015) · Journal of the American Chemical Society · doi:10.1021/jacs.5b05602 · Cited by 2,197
Cited by
Genesis, challenges and opportunities for colloidal lead halide perovskite nanocrystals
Akkerman, Q. A., Rainò, G., Kovalenko, M. V., & Manna, L. (2018) · Nature Materials · doi:10.1038/s41563-018-0018-4 · Cited by 2,287
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
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
CsPbBr3 QD/AlOx Inorganic Nanocomposites with Exceptional Stability in Water, Light, and Heat
Loiudice, A., Saris, S., Oveisi, E., Alexander, D. T. L., & Buonsanti, R. (2017) · Angewandte Chemie International Edition · doi:10.1002/anie.201703703 · Cited by 482
Surface Chemistry Engineering of Perovskite Quantum Dots: Strategies, Applications, and Perspectives
Bai, Y., Hao, M., Ding, S., Chen, P., & Wang, L. (2022) · Advanced Materials · doi:10.1002/adma.202105958 · Cited by 394
Metadata
- Authors
- Tong, Y., Bladt, E., Aygüler, M. F., Manzi, A., Milowska, K. Z., Hintermayr, V. A., Docampo, P., Bals, S., Urban, A. S., Polavarapu, L., & Feldmann, J.
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2016-09-30
- Volume
- 55
- Issue
- 44
- Pages
- 13887-13892
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W2528629666
- Cited by
- 781
- References
- 1
- FWCI
- 37.20
- Type
- journal article
- Language
- en
- Open access
- green
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- Tong, Y., Bladt, E., Aygüler, M. F., Manzi, A., Milowska, K. Z., Hintermayr, V. A., Docampo, P., Bals, S., Urban, A. S., Polavarapu, L., & Feldmann, J. (2016). Highly Luminescent Cesium Lead Halide Perovskite Nanocrystals with Tunable Composition and Thickness by Ultrasonication. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.201605909
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