The DOI matches its Crossref record; 30 of the 30 references it cites were found in a registry or an index.
Nonlinear Absorption and Low-Threshold Multiphoton Pumped Stimulated Emission from All-Inorganic Perovskite Nanocrystals
Abstract
Halide perovskite materials have attracted intense research interest due to the striking performance in photoharvesting photovoltaics as well as photoemitting applications. Very recently, the emerging CsPbX3 (X = Cl, Br, I) perovskite nanocrystals have been demonstrated to be efficient emitters with photoluminescence quantum yield as high as ∼90%, room temperature single photon sources, and favorable lasing materials. Herein, the nonlinear optical properties, in particular, the multiphoton absorption and resultant photoluminescence of the CsPbBr3 nanocrystals, were investigated. Notably, a large two-photon absorption cross-section of up to ∼1.2 × 10(5) GM is determined for 9 nm sized CsPbBr3 nanocrystals. Moreover, low-threshold frequency-upconverted stimulated emission by two-photon absorption was observed from the thin film of close-packed CsPbBr3 nanocrystals. The stimulated emission is found to be photostable and wavelength-tunable. We further realize the three-photon pumped stimulated emission in green spectra range from colloidal nanocrystals for the first time. Our results reveal the strong nonlinear absorption in the emerging CsPbX3 perovskite nanocrystals and suggest these nanocrystals as attractive multiphoton pumped optical gain media, which would offer new opportunities in nonlinear photonics and revive the nonlinear optical devices.
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Cites
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Cited by
Dirin, D. N., Protesescu, L., Trummer, D., Kochetygov, I. V., Yakunin, S., Krumeich, F., Stadie, N. P., & Kovalenko, M. V. (2016) · Nano Letters · doi:10.1021/acs.nanolett.6b02688 · Cited by 615
Yettapu, G. R., Talukdar, D., Sarkar, S., Swarnkar, A., Nag, A., Ghosh, P., & Mandal, P. (2016) · Nano Letters · doi:10.1021/acs.nanolett.6b01168 · Cited by 594
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
Low dimensional metal halide perovskites and hybrids
Zhou, C., Lin, H., He, Q., Xu, L., Worku, M., Chaaban, M., Lee, S., Shi, X., Du, M.-H., & Ma, B. (2019) · Materials Science and Engineering: R: Reports · doi:10.1016/j.mser.2018.12.001 · Cited by 489
Improving the Stability of Metal Halide Perovskite Quantum Dots by Encapsulation
Lv, W., Li, L., Xu, M., Hong, J., Tang, X., Xu, L., Wu, Y., Zhu, R., Chen, R., & Huang, W. (2019) · Advanced Materials · doi:10.1002/adma.201900682 · Cited by 462
Metadata
- Authors
- Wang, Y., Li, X., Zhao, X., Xiao, L., Zeng, H., & Sun, H.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-12-16
- Volume
- 16
- Issue
- 1
- Pages
- 448-453
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2320603635
- Cited by
- 572
- References
- 30
- FWCI
- 30.63
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wang, Y., Li, X., Zhao, X., Xiao, L., Zeng, H., & Sun, H. (2016). Nonlinear Absorption and Low-Threshold Multiphoton Pumped Stimulated Emission from All-Inorganic Perovskite Nanocrystals. Nano Letters. https://doi.org/10.1021/acs.nanolett.5b04110
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