Publications

2023

Lead-Free, Luminescent Perovskite Nanocrystals Obtained through Ambient Condition Synthesis
F. Treber, K. Frank, B. Nickel, C. Lampe, A. S. Urban
Small 19, 2300525

Fine-Tuning Blue-Emitting Halide Perovskite Nanocrystals
S. Martin, N. A. Henke, C. Lampe, M. Döblinger, K. Frank, P. Ganswindt, B. Nickel, A. S. Urban
Advanced Optical Materials, early view, 2301009

Rapid Data-Efficient Optimization of Perovskite Nanocrystal Syntheses through Machine Learning Algorithm Fusion
C. Lampe, I. Kouroudis, M. Harth, S. Martin, A. Gagliardi, A. S. Urban
Advanced Materials 35, 2208772

2022

Doubly Stabilized Perovskite Nanocrystal Luminescence Downconverters
Q. Xue, C. Lampe, T. Naujoks, K. Frank, M. Gramlich, M. Schoger, W. Vanderlinden, P. Reisbeck, B. Nickel, W. Brutting, A. S. Urban
Advanced Optical Materials 10, 2102791

Thickness-Dependent Dark-Bright Exciton Splitting and Phonon Bottleneck in CsPbBr-Based Nanoplatelets Revealed via Magneto- Optical Spectroscopy
S. L. Wang, M. Dyksik, C. Lampe, M. Gramlich, D. K. Maude, M. Baranowski, A. S. Urban, P. Plochocka, A. Surrente
Nano Letters 22, 7011-7019

Electron-Hole Binding Governs Carrier Transport in Halide Perovskite Nanocrystal Thin Films
M. F. Lichtenegger, J. Drewniok, A. Bornschlegl, C. Lampe, A. Singldinger, N. A. Henke, A. S. Urban
ACS Nano 16, 6317-6324

High-Performance Monolayer MoS Field-Effect Transistors on Cyclic Olefin Copolymer-Passivated SiO Gate Dielectric
S. B. Kalkan, E. Najafidehaghani, Z. Y. Gan, J. Drewniok, M. F. Lichtenegger, U. Huebner, A. S. Urban, A. George, A. Turchanin, B. Nickel
Advanced Optical Materials 11, 2201653

Cross Determination of Exciton Coherence Length in J-Aggregates
A. Jumbo-Nogales, V. Krivenkov, K. Rusakov, A. S. Urban, M. Grzelczak, Y. P. Rakovich Journal of Physical Chemistry Letters 13, 10198-10206

Energy Transfer in Stability-Optimized Perovskite Nanocrystals
M. G. Greiner, A. Singldinger, N. A. Henke, C. Lampe, U. Leo, M. Gramlich, A. S. Urban
Nano Letters 22, 6709-6715

Dark and Bright Excitons in Halide Perovskite Nanoplatelets
M. Gramlich, M. W. Swift, C. Lampe, J. L. Lyons, M. Döblinger, A. L. Efros, P. C. Sercel, A. S. Urban
Advanced Science 9, 2103013

2021

How Exciton–Phonon Coupling Impacts Photoluminescence in Halide Perovskite Nanoplatelets
M. Gramlich, C. Lampe, J. Drewniok, and A. S. Urban
The Journal of Physical Chemistry Letters 12, 11371-11377

Molecular, Aromatic, and Amorphous Domains of N-Carbon Dots: Leading toward the Competitive Photoluminescence and Photocatalytic Properties
K. Bramhaiah, R. Bhuyan, S. Mandal, S. Kar, R. Prabhu, N. S. John, M. Gramlich, A. S. Urban, and S. Bhattacharyya
The Journal of Physical Chemistry C 125, 4299-4309

2020

Nonradiative Energy Transfer between Thickness-Controlled Halide Perovskite Nanoplatelets
A. Singldinger, M. Gramlich, C. Gruber, C. Lampe, A. S. Urban
ACS Energy Letters 5, 1380-1385

Elucidating the performance limits of perovskite nanocrystal light emitting diodes
T. Morgenstern, C. Lampe, T. Naujoks, M. Jurow, Y. Liu, A. S. Urban, W. Brütting
Journal of Luminescence 220, 116939

Thickness-Dependence of Exciton-Exciton Annihilation in Halide Perovskite Nanoplatelets
M. Gramlich, B. J. Bohn, Y. Tong, L. Polavarapu, J. Feldmann, A. S. Urban
Journal of Physical Chemistry Letters 11, 5361-5366

2019

Ru(TAP)32+ uses multivalent binding to accelerate and constrain photo-adduct formation on DNA
W. Vanderlinden, P. J. Kolbeck, W. Frederickx, S. F. Konrad, T. Nicolaus, C. Lampe, A. S. Urban, C. Moucheron, J. Lipfert
Chemical Communications 55, 8764-8767

Tuning the optical bandgap in layered hybrid perovskites through variation of alkyl chain length
J. A. Sichert, A. Hemmerling, C. Cardenas-Daw, A. S. Urban, J. Feldmann
APL Materials 7, 041116

Metal Halide Perovskite Nanocrystals: Synthesis, Post-Synthesis Modifications, and Their Optical Properties
J. Shamsi, A. S. Urban, M. Imran, L. De Trizio, L. Manna
Chemical Reviews 119, 3296-3348

Fast Electron and Slow Hole Relaxation in InP-Based Colloidal Quantum Dots
A. F. Richter, M. Binder, B. J. Bohn, N. Grumbach, S. Neyshtadt, A. S. Urban, J. Feldmann
ACS Nano 13, 14408-14415

Real-Time Electron and Hole Transport Dynamics in Halide Perovskite Nanowires
L. Janker, Y. Tong, L. Polavarapu, J. Feldmann, A. S. Urban, H. J. Krenner
Nano Letters 19, 8701-8707

Identifying and Reducing Interfacial Losses to Enhance Color-Pure Electroluminescence in Blue-Emitting Perovskite Nanoplatelet Light-Emitting Diodes
R. L. Z. Hoye, M. L. Lai, M. Anaya, Y. Tong, K. Galkowski, T. Doherty, W. W. Li, T. N. Huq, S. Mackowski, L. Polavarapu, J. Feldmann, J. L. MacManus-Driscoll, R. H. Friend, A. S. Urban, S. D. Stranks
ACS Energy Letters 4, 1181-1188

Polymer Nanoreactors Shield Perovskite Nanocrystals from Degradation
V. A. Hintermayr, C. Lampe, M. Löw, J. Roemer, W. Vanderlinden, M. Gramlich, A. X. Böhm, C. Sattler, B. Nickel, T. Lohmüller, A. S. Urban
Nano Letters 19, 4928-4933

2018

Preferential Orientation of Crystals Induced by Incorporation of Organic Ligands in Mixed-Dimensional Hybrid Perovskite Films
R. Wang, Y. Tong, A. Manzi, K. Wang, Z. D. Fu, E. Kentzinger, J. Feldmann, A. S. Urban, P. Müller-Buschbaum, H. Frielinghaus
Advanced Optical Materials 6, 1701311

Spontaneous Self-Assembly of Perovskite Nanocrystals into Electronically Coupled Supercrystals: Toward Filling the Green Gap
Y. Tong, E. P. Yao, A. Manzi, E. Bladt, K. Wang, M. Döblinger, S. Bals, P. Müller-Buschbaum, A. S. Urban, L. Polavarapu, J. Feldmann
Advanced Materials 30, 1801117

Strong Quantum Confinement Effects and Chiral Excitons in BioInspired ZnO-Amino Acid Cocrystals
M. A. H. Muhammed, M. Lamers, V. Baumann, P. Dey, A. J. Blanch, I. Polishchuk, X. T. Kong, D. Levy, A. S. Urban, A. O. Govorov, B. Pokroy, J. Rodríguez-Fernández, J. Feldmann
Journal of Physical Chemistry C 122, 6348-6356

Resonantly enhanced multiple exciton generation through below-band-gap multi-photon absorption in perovskite nanocrystals
A. Manzi, Y. Tong, J. Feucht, E. P. Yao, L. Polavarapu, A. S. Urban, J. Feldmann
Nature Communications 9, 1518

Accelerated Carrier Relaxation through Reduced Coulomb Screening in Two-Dimensional Halide Perovskite Nanoplatelets
V. A. Hintermayr, L. Polavarapu, A. S. Urban, J. Feldmann
ACS Nano 12, 10151-10158

Boosting Tunable Blue Luminescence of Halide Perovskite Nanoplatelets through Postsynthetic Surface Trap Repair
B. J. Bohn, Y. Tong, M. Gramlich, M. L. Lai, M. Döblinger, K. Wang, R. L. Z. Hoye, P. Müller-Buschbaum, S. D. Stranks, A. S. Urban, L. Polavarapu, J. Feldmann
Nano Letters 18, 5231-5238

Dephasing and Quantum Beating of Excitons in Methylammonium Lead Iodide Perovskite Nanoplatelets
B. J. Bohn, T. Simon, M. Gramlich, A. F. Richter, L. Polavarapu, A. S. Urban, J. Feldmann
ACS Photonics 5, 648-654

Light-emitting electrochemical cells based on inorganic metal halide perovskite nanocrystals
M. F. Aygüler, B. M. D. Puscher, Y. Tong, T. Bein, A. S. Urban, R. D. Costa, P. Docampo
Journal of Physics D: Applied Physics 51, 334001

2018

Preferential Orientation of Crystals Induced by Incorporation of Organic Ligands in Mixed-Dimensional Hybrid Perovskite Films
R. Wang, Y. Tong, A. Manzi, K. Wang, Z. D. Fu, E. Kentzinger, J. Feldmann, A. S. Urban, P. Müller-Buschbaum, H. Frielinghaus
Advanced Optical Materials 6, 1701311

Spontaneous Self-Assembly of Perovskite Nanocrystals into Electronically Coupled Supercrystals: Toward Filling the Green Gap
Y. Tong, E. P. Yao, A. Manzi, E. Bladt, K. Wang, M. Döblinger, S. Bals, P. Müller-Buschbaum, A. S. Urban, L. Polavarapu, J. Feldmann
Advanced Materials 30, 1801117

Strong Quantum Confinement Effects and Chiral Excitons in BioInspired ZnO-Amino Acid Cocrystals
M. A. H. Muhammed, M. Lamers, V. Baumann, P. Dey, A. J. Blanch, I. Polishchuk, X. T. Kong, D. Levy, A. S. Urban, A. O. Govorov, B. Pokroy, J. Rodríguez-Fernández, J. Feldmann
Journal of Physical Chemistry C 122, 6348-6356

Resonantly enhanced multiple exciton generation through below-band-gap multi-photon absorption in perovskite nanocrystals
A. Manzi, Y. Tong, J. Feucht, E. P. Yao, L. Polavarapu, A. S. Urban, J. Feldmann
Nature Communications 9, 1518

Accelerated Carrier Relaxation through Reduced Coulomb Screening in Two-Dimensional Halide Perovskite Nanoplatelets
V. A. Hintermayr, L. Polavarapu, A. S. Urban, J. Feldmann
ACS Nano 12, 10151-10158

Boosting Tunable Blue Luminescence of Halide Perovskite Nanoplatelets through Postsynthetic Surface Trap Repair
B. J. Bohn, Y. Tong, M. Gramlich, M. L. Lai, M. Döblinger, K. Wang, R. L. Z. Hoye, P. Müller-Buschbaum, S. D. Stranks, A. S. Urban, L. Polavarapu, J. Feldmann
Nano Letters 18, 5231-5238

Dephasing and Quantum Beating of Excitons in Methylammonium Lead Iodide Perovskite Nanoplatelets
B. J. Bohn, T. Simon, M. Gramlich, A. F. Richter, L. Polavarapu, A. S. Urban, J. Feldmann
ACS Photonics 5, 648-654

Light-emitting electrochemical cells based on inorganic metal halide perovskite nanocrystals
M. F. Aygüler, B. M. D. Puscher, Y. Tong, T. Bein, A. S. Urban, R. D. Costa, P. Docampo
Journal of Physics D: Applied Physics 51, 334001