Organosilicon-Based Ligand Design for High-Performance Perovskite Nanocrystal Films for Color Conversion and X-ray Imaging
Chen, J.; Jiang, G.; Hamann, E.; Mescher, H. I.; Jin, Q.; Allegro, I.; Brenner, P.; Li, Z.; Gaponik, N.; Eychmüller, A.; Lemmer, U.
2024. ACS Nano, 18 (14), 10054–10062. doi:10.1021/acsnano.3c11991

Carrier Dynamics and Light Amplification in Triple-Cation Perovskites. PhD dissertation
Allegro, I.
2024, January 30. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000167641

All-printed SU8-perovskite DFB laser
Pascual, M.; Bigan, N.; M’Barki, A.; Mental, R.; Allegro, I.; Lemmer, U.
2023. Advanced Fabrication Technologies for Micro/Nano Optics and Photonics XVI, 124330E, SPIE. doi:10.1117/12.2661336

Enhancement of Amplified Spontaneous Emission by Electric Field in CsPbBr Perovskites
Li, Y.; Hu, H.; Farag, A.; Feeney, T.; Allegro, I.; Lemmer, U.; Paetzold, U. W.; Howard, I. A.
2023. Nano Letters, 23 (5), 1637–1644. doi:10.1021/acs.nanolett.2c02944

Distributed Feedback Lasers by Thermal Nanoimprint of Perovskites Using Gelatin Gratings
Allegro, I.; Bonal, V.; Mamleyev, E. R.; Villalvilla, J. M.; Quintana, J. A.; Jin, Q.; Díaz-García, M. A.; Lemmer, U.
2023. ACS Applied Materials & Interfaces, 15 (6), 8436–8445. doi:10.1021/acsami.2c22920

A Self‐Assembly Method for Tunable and Scalable Nano‐Stamps: A Versatile Approach for Imprinting Nanostructures
Donie, Y. J.; Yuan, Y.; Allegro, I.; Schackmar, F.; Hossain, I. M.; Huber, R.; Roger, J.; Paetzold, U. W.; Gomard, G.; Lemmer, U.
2022. Advanced materials technologies, 7 (6), Art.Nr.: 2101008. doi:10.1002/admt.202101008

Monolithic Two-Terminal Perovskite/CIS Tandem Solar Cells with Efficiency Approaching 25%
Ruiz-Preciado, M. A.; Gota, F.; Fassl, P.; Hossain, I. M.; Singh, R.; Laufer, F.; Schackmar, F.; Feeney, T.; Farag, A.; Allegro, I.; Hu, H.; Gharibzadeh, S.; Nejand, B. A.; Gevaerts, V. S.; Simor, M.; Bolt, P. J.; Paetzold, U. W.
2022. ACS Energy Letters, 7 (7), 2273–2281. doi:10.1021/acsenergylett.2c00707

Lasing from Laminated Quasi‐2D/3D Perovskite Planar Heterostructures
Li, Y.; Roger, J.; Allegro, I.; Fischer, J. C.; Jin, Q.; Lemmer, U.; Howard, I. A.; Paetzold, U. W.
2022. Advanced Functional Materials, 32 (27), Artkl.Nr.: 2200772. doi:10.1002/adfm.202200772

Interpreting the Time-Resolved Photoluminescence of Quasi-2D Perovskites
Kaiser, M.; Li, Y.; Allegro, I.; Richards, B. S.; Paetzold, U. W.; Howard, I. A.
2021. Advanced Materials Interfaces, 8 (24), Art.-Nr.: 2101326. doi:10.1002/admi.202101326

Exciton versus free carrier emission: Implications for photoluminescence efficiency and amplified spontaneous emission thresholds in quasi-2D and 3D perovskites
Li, Y.; Allegro, I.; Kaiser, M.; Malla, A. J.; Richards, B. S.; Lemmer, U.; Paetzold, U. W.; Howard, I. A.
2021. Materials Today, 49, 35–47. doi:10.1016/j.mattod.2021.05.002

How free exciton-exciton annihilation lets bound exciton emission dominate the photoluminescence of 2D-perovskites under high-fluence pulsed excitation at cryogenic temperatures
Kaiser, M.; Li, Y.; Schwenzer, J.; Jakoby, M.; Allegro, I.; Gerhard, M.; Koch, M.; Ducinskas, A.; Richards, B. S.; Graetzel, M.; Milić, J. V.; Paetzold, U. W.; Howard, I. A.
2021. Journal of Applied Physics, 129 (12), Art.-Nr.: 123101. doi:10.1063/5.0037800

Bimolecular and Auger Recombination in Phase-Stable Perovskite Thin Films from Cryogenic to Room Temperature and Their Effect on the Amplified Spontaneous Emission Threshold
Allegro, I.; Li, Y.; Richards, B. S.; Paetzold, U. W.; Lemmer, U.; Howard, I. A.
2021. The journal of physical chemistry letters, 12 (9), 2293–2298. doi:10.1021/acs.jpclett.1c00099

Lasing in Si₃N₄-organic hybrid (SiNOH) waveguides
Kohler, D.; Allegro, I.; Wondimu, S. F.; Hahn, L.; Freude, W.; Koos, C.
2020. Optics express, 28 (4), 5085–5104. doi:10.1364/OE.381572

Continuous wave amplified spontaneous emission in phase-stable lead halide perovskites
Brenner, P.; Bar-On, O.; Jakoby, M.; Allegro, I.; Richards, B. S.; Paetzold, U. W.; Howard, I. A.; Scheuer, J.; Lemmer, U.
2019. Nature Communications, 10 (1), Article-Nr.: 988. doi:10.1038/s41467-019-08929-0

Continuous wave amplified spontaneous emission in phase-stable triple cation lead halide perovskite thin films
Allegro, I.; Brenner, P.; Bar-On, O.; Jakoby, M.; Richards, B. S.; Paetzold, U. W.; Howard, I. A.; Scheuer, J.; Lemmer, U.
2019. 2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC): Munich, International Congress Centre (ICM), Germany, 23-27 June 2019, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/CLEOE-EQEC.2019.8871688

Continuous Wave Amplified Spontaneous Emission from Mixed Cation Perovskite devices
Brenner, P.; Bar-On, O.; Jakoby, M.; Allegro, I.; Richards, B. S.; Paetzold, U. W.; Howard, I. A.; Scheuer, J.; Lemmer, U.
2019. Conference on Lasers and Electro-Optics, JTu2A.71, Optica Publishing Group (OSA). doi:10.1364/CLEO_AT.2019.JTu2A.71

Lasing in Si3N4-Organic Hybrid (SiNOH) Spiral Resonators
Kohler, D.; Wondimu, S. F.; Hahn, L.; Allegro, I.; Blaicher, M.; Freude, W.; Koos, C.
2018. Conference on Lasers and Electro-Optics - Science and Innovations (CLEO), San Jose, California, United States, 13 - 18 May 2018, SM4I.6, Optica Publishing Group (OSA). doi:10.1364/CLEO_SI.2018.SM4I.6