LTI

Dr. Tobias Leonhard

Doktorprüfung

Thema: Mikrostrukturelle Eigenschaften polykristalliner Methylammoniumbleiiodid-Dünnschichten und ihr Einfluss auf die Funktionsweise von Solarzellen

Mündliche Prüfung: 12.04.2021
Referent: Prof. Dr.-Ing. Alexander Colsmann

Publications


2024
Disulfide‐Bridged Dynamic Covalent Triazine Polymer Thin Films by Interface Polymerization: High Refractive Index with Excellent Optical Transparency
Begum, S.; Kutonova, K.; Mauri, A.; Koenig, M.; Chan, K. C.; Sprau, C.; Dolle, C.; Trouillet, V.; Hassan, Z.; Leonhard, T.; Heißler, S.; Eggeler, Y. M.; Wenzel, W.; Kozlowska, M.; Bräse, S.
2024. Advanced Functional Materials, 34 (20), Art.-Nr.: 2303929. doi:10.1002/adfm.202303929
2021
Evolution of ferroelectric domains in methylammonium lead iodide and correlation with the performance of perovskite solar cells
Leonhard, T.; Röhm, H.; Altermann, F. J.; Hoffmann, M. J.; Colsmann, A.
2021. Journal of materials chemistry / A, 9 (38), 21845–21858. doi:10.1039/d1ta06290e
2019
On the ferroelectricity of CH3NH3PbI3 perovskites
Schulz, A. D.; Röhm, H.; Leonhard, T.; Wagner, S.; Hoffmann, M. J.; Colsmann, A.
2019. Nature materials, 18 (10), 1050. doi:10.1038/s41563-019-0480-7
Probing the Microstructure of Methylammonium Lead Iodide Perovskite Solar Cells
Leonhard, T.; Schulz, A. D.; Röhm, H.; Wagner, S.; Altermann, F. J.; Rheinheimer, W.; Hoffmann, M. J.; Colsmann, A.
2019. Energy technology, 7 (3), Art. Nr.: 1800989. doi:10.1002/ente.201800989
Thermal Stabilization of the Bulk-Heterojunction Morphology in Polymer:Fullerene Solar Cells Using a Bisazide Cross-Linker
Landerer, D.; Sprau, C.; Baumann, D.; Pingel, P.; Leonhard, T.; Zimmermann, D.; Chochos, C. L.; Krüger, H.; Janietz, S.; Colsmann, A.
2019. Solar RRL, 3 (2), 1800266. doi:10.1002/solr.201800266
Film formation, microstructure and ferroelectricity of MAPbI3 light-harvesting layers
Röhm, H.; Leonhard, T.; Schulz, A.; Wagner, S.; Hoffmann, M.; Colsmann, A.
2019. DPG-Frühjahrstagung der Sektion Kondensierte Materie (SKM), Fachverband Chemische Physik und Polymerphysik (2019), Regensburg, Germany, March 31–April 5, 2019
Ferroelectric Properties of Perovskite Thin Films and Their Implications for Solar Energy Conversion
Röhm, H.; Leonhard, T.; Schulz, A. D.; Wagner, S.; Hoffmann, M. J.; Colsmann, A.
2019. Advanced materials, Art.Nr.: 1806661. doi:10.1002/adma.201806661
2018
On the importance of ferroelectric domains for the performance of perovskite solar cells
Rossi, D.; Pecchia, A.; Auf der Maur, M.; Leonhard, T.; Röhm, H.; Hoffmann, M. J.; Colsmann, A.; Carlo, A. D.
2018. Nano energy, 48, 20–26. doi:10.1016/j.nanoen.2018.02.049
Probing the microstructure of methylammonium lead iodide solar cells
Leonhard, T.; Röhm, H.; Schulz, A.; Wagner, S.; Altermann, F.; Rheinheimer, W.; Hoffmann, M. J.; Colsmann, A.
2018. Light, Energy and the Environment 2018 (E2, FTS, HISE, SOLAR, SSL). Proceedings., Art.-Nr.: OM2D.6, Optica Publishing Group (OSA). doi:10.1364/OSE.2018.OM2D.6
2017
Enhanced thermal stability of organic solar cells comprising ternary D-D-A bulk-heterojunctions
Landerer, D.; Mertens, A.; Freis, D.; Droll, R.; Leonhard, T.; Schulz, A. D.; Bahro, D.; Colsmann, A.
2017. npj flexible electronics, 1 (1), Art.Nr. 11. doi:10.1038/s41528-017-0011-z
Three dimensional whispering gallery mode resonators and microlasers made by a combination of direct laser writing and soft nanoimprint lithography
Brenner, P.; Leonhard, T.; Eschenbaum, C.; Lemmer, U.; Bar-On, O.; Scheuer, J.; Siegle, T.; Kalt, H.; Gvishi, R.; Eschenbaum, C.; Lemmer, U.
2017. Proceedings of the European Conference on Lasers and Electro-Optics, CLEO_Europe 2017, Munich, Germany, 25th - 29th June 2017, Art.Nr. CK_P_17, Optica Publishing Group (OSA)
Ferroelectric domains in methylammonium lead iodide perovskite thin-films
Röhm, H.; Leonhard, T.; Hoffmann, M. J.; Colsmann, A.
2017. Energy & environmental science, 10 (4), 950–955. doi:10.1039/C7EE00420F
3D whispering-gallery-mode microlasers by direct laser writing and subsequent soft nanoimprint lithography
Brenner, P.; Bar-On, O.; Siegle, T.; Leonhard, T.; Gvishi, R.; Eschenbaum, C.; Kalt, H.; Scheuer, J.; Lemmer, U.
2017. Applied optics, 56 (13), 3703. doi:10.1364/AO.56.003703