Triple cation mixed-halide perovskites for tunable lasers
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Metal halide perovskites are recently a ttracting strong attention due to their potential in solar cells, LEDs, and lasers. Here, we demonstrate the broad spectral tuning of the optical gain characteristics of triple cation (containing methylammonium, formamidinium and cesium) mixed-halide perovskite thin films. We explicitly study the interrelation between amplified spontaneous emission (ASE) thresholds, the operational stability of the gain, and the material composition. The incorporation of cesium and a deficiency of lead in the precursor solutions is found to be crucial for low ASE thresholds and the improved stability of mixed-halide perovskites. We tune the photoluminescence in mixed-halide perovskites between peak wavelengths of 510 and 790 nm by exchanging the halide from iodide to bromide and chloride in small steps of 10%, while preserving the narrowband emission below a linewidth of 130 meV for all mixtures. The optical gain under ns-excitation can be tuned over a significant portion of this spectral window; we observe ASE emission in regions between 545 to 555 nm and 680 to 810 nm. This is a significant step towards perovskite lasers operating through a broad portion of the visible to near infrared spectrum.
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This work provides a large step towards exploiting the main advantages of organo-metal perovskites over III-V semiconductors to provide cost efficient lasers at infra-red and visible wavelengths.
“This work provides a large step towards exploiting the main advantages of organo-metal perovskites over III-V semiconductors, e.g. low cost deposition from solution and straightforward bandgap engineering, to provide cost efficient lasers at infra-red and visible wavelengths. 43”
From Monolithically Integrated Perovskite Semiconductor Lasers on Silicon Photonic Chips by Scalable Top-Down Fabrication (2018) · cites this paper as [43]
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Room-Temperature Near-Infrared High-Q Perovskite Whispering-Gallery Planar Nanolasers
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Cegielski, P. J., Neutzner, S., Porschatis, C., Lerch, H., Bolten, J., Suckow, S., Kandada, A. R. S., Chmielak, B., Petrozza, A., Wahlbrink, T., et al. (2017) · Optics Express · doi:10.1364/oe.25.013199 · Cited by 67 · see citing works
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Cegielski, P. J., Giesecke, A. L., Neutzner, S., Porschatis, C., Gandini, M., Schall, D., Perini, C. A. R., Bolten, J., Suckow, S., Kataria, S., et al. (2018) · Nano Letters · doi:10.1021/acs.nanolett.8b02811 · Cited by 132 · see citing works
- Authors
- Brenner, P., Glöckler, T., Rueda-Delgado, D., Abzieher, T., Jakoby, M., Richards, B. S., Paetzold, U. W., Howard, I. A., & Lemmer, U.
- ORCID
- Venue
- Optical Materials Express
- Publisher
- Optica Publishing Group
- Published
- 2017-10-24
- Volume
- 7
- Issue
- 11
- Pages
- 4082
- ISSN
- 2159-3930 (ISSN-L)
- OpenAlex
- W2766327557
- Cited by
- 42
- References
- 3
- Citations by year
- 2026: 2 · 2025: 6 · 2024: 3 · 2023: 4 · 2022: 2 · 2021: 5 · 2020: 6 · 2019: 9 · 2018: 5
- FWCI
- 2.27
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Locations
- Optical Materials Express (publishedVersion)
- Repository KITopen (Karlsruhe Institute of Technology) (publishedVersion)
- KITopen (other-oa)
- Funders
- Deutsche Forschungsgemeinschaft (DFG) (LE 878/17-1)
- Helmholtz-Gemeinschaft (HGF)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Perovskite Materials and Applications
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Solid State Laser Technologies
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Strong Light-Matter Interactions
- Keywords
- mixed-halide perovskites, triple-cation perovskite, methylammonium, formamidinium, cesium, perovskite lasers, amplified spontaneous emission, optical gain, spectral tuning, photoluminescence, halide composition, gain stability, lead deficiency, perovskite thin films
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