Regensburg 2019 – wissenschaftliches Programm

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HL: Fachverband Halbleiterphysik

HL 14: PhD-Symposium: Photoluminescence of halide perovskites:
What does it tell us and what not? (joint session DS/HL/AKjDPG)

Dienstag, 2. April 2019, 09:30–13:15, H32

Perovskite Solar Cells (PSCs) have recently emerged as a new research field due to their rapid increase in power conversion efficiency. Many research groups formerly working in other fields such as in DSSC, organic solar cells and thin film solar cells, quantum dots, single molecules have jointly created a new research field. Photoluminescence spectroscopy is a technique used rather widely in all of these fields as a simple standard method. Applying specific models and theory, photoluminescence can however be converted into an advanced characterization technique. The models and analysis tools used for this have been unique to the specific fields so far and now tend to collide when PSCs are measured and analysed.
This symposium therefore aims to give a brief overview of advanced models and analysis tools which allow a more nuanced interpretation of photoluminescence emission of perovskite solar cell materials. In a mix of introductory talks, invited expert talks and contributed talks we will explore how certain models have been used to analyse PSCs and argue why and under what conditions a certain model can or cannot be applied to perovskite solar cells.

• Juliane Borchert, Clarendon Laboratory, Department of Physics, University of Oxford, Parks Road, Oxford OX1 3PU, United Kingdom
• Klara Suchan, Lund University, Kemicentrum, Naturvetarvägen 16, 22362 Lund, Sweden
• Tobias Seewald, Department of Physics, University of Konstanz, Universitätsstr. 10, 78457 Konstanz, Germany

09:30 HL 14.1 Hauptvortrag: Photoluminescence Analysis of Thin Films: What can it tell us about (Perovskite) Solar Cells? — •Thomas Unold
10:00 HL 14.2 In-situ film formation studies of metal-halide perovskite layers — •Katrin Hirselandt, Rahim Munir, Florian Mathies, Aboma Merdasa, Emil J. W. List-Kratochvil, and Eva Unger
10:15 HL 14.3 Hauptvortrag: Defect activity in lead halide perovskite semiconductors — •Silvia Motti
10:45 HL 14.4 The impact of lead iodide on the recombination kinetics in metal halide perovskites — •Aboma Merdasa, Alexandros Kiligaridis, Carolin Rehermann, Mojtaba Abdi-Jalebi, Jonas Stöber, Boris Louis, Marina Gerhard, Samuel D. Stranks, Eva L. Unger, and Ivan G. Scheblykin
  11:00 15 min. break
11:15 HL 14.5 Hauptvortrag: Unravelling the origin of double peak emission of hybrid perovskites — •Fabian Panzer
11:45 HL 14.6 Temperature dependent charge carrier transport in MAPI single crystal thin films — •Alexander Biewald, Richard Ciesielski, Nadja Giesbrecht, Kathrin Handloser, Pablo Docampo, Thomas Bein, and Achim Hartschuh
12:00 HL 14.7 Hauptvortrag: Photophysics of Sn-based hybrid perovskites — •Maria Antonietta Loi
12:30 HL 14.8 Metastable defects in perovskite semiconductors reveal microscopic insight into non-radiative processes — •Marina Gerhard, Boris Louis, Rafael Camacho, Aboma Merdasa, Alexander Kiligaridis, Jun Li, Alexander Dobrovolsky, Johan Hofkens, and Ivan G. Scheblykin
12:45 HL 14.9 Panel Discussion (with invited speakers) — •Thomas Unold, Silvia Motti, Carolin Sutter-Fella, and Maria Antonietta Loi
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