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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Ooi, Boon Siew
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Topics
Publications (8/8 displayed)
- 2021Group-III-nitride and halide-perovskite semiconductor gain media for amplified spontaneous emission and lasing applicationscitations
- 2017Ultralow Self-Doping in 2D Hybrid Perovskite Single Crystalscitations
- 2017Surface Passivation of GaN Nanowires for Enhanced Photoelectrochemical Water-Splittingcitations
- 2016Surface Restructuring of Hybrid Perovskite Crystalscitations
- 2016Optical constants of CH3NH3PbBr3 perovskite thin films measured by spectroscopic ellipsometrycitations
- 2016First demonstration of orange-yellow light emitter devices in InGaP/InAlGaP laser structure using strain-induced quantum well intermixing techniquecitations
- 2016Hybrid perovskites: Approaches towards light-emitting devices
- 2015First demonstration of InGaP/InAlGaP based orange laser emitting at 608 nmcitations
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article
Optical constants of CH3NH3PbBr3 perovskite thin films measured by spectroscopic ellipsometry
Abstract
The lack of optical constants information for hybrid perovskite of CH3NH3PbBr3 in thin films form can delay the progress of efficient LED or laser demonstration. Here, we report on the optical constants (complex refractive index and dielectric function) of CH3NH3PbBr3 perovskite thin films using spectroscopic ellipsometry. Due to the existence of voids, the refractive index of the thin films is around 8% less than the single crystals counterpart. The energy bandgap is around 2.309 eV as obtained from photoluminescence and spectrophotometry spectra, and calculated from the SE analysis. The precise measurement of optical constants will be useful in designing optical devices using CH3NH3PbBr3 thin films.