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          09:30 | 
          HL 45.1 | 
          
            
            
              
                Growth of High-quality (FAPbI 3 ) 0.9 (MAPbBr 3 ) 0.1  Perovskite Single Crystals and their Optoelectronic Properties — •Julian Höcker, Mathias Fischer, Mehmet Özcan, Benedikt Bichler, Sebastian Hammer, Melina Armer, Volker Drach, Bert Nickel, and Vladimir Dyakonov
              
            
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          09:45 | 
          HL 45.2 | 
          
            
            
              
                Revealing the Impact of Cesium/Rubidium Incorporation on the Photophysics of Multiple-Cation Lead Halide Perovskites — •Yajun Gao, Kai Wang, Mingcong Wang, Jafar Khan, Ahmed Balawi, Stefaan De Wolf, and Frédéric Laquai
              
            
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          10:00 | 
          HL 45.3 | 
          
            
            
              
                Unraveling origin of performance instability in mixed perovskite solar cells — •Małgorzata Kot, Chittaranjan Das, Tim Hellmann, Carolin Wittich, Iwan Zimmermann, Mohammad Khaja Nazeeruddin, Wolfram Jaegermann, and Jan Ingo Flege
              
            
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          10:15 | 
          HL 45.4 | 
          
            
            
              
                Phase transitions of hybrid and inorganic perovskites simulated by machine-learning force fields — Ryosuke Jinnouchi, Jonathan Lahnsteiner, Ferenc Karsai, Georg Kresse, and •Menno Bokdam
              
            
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          10:30 | 
          HL 45.5 | 
          
            
            
              
                The tetragonal to orthorhombic crystal phase transition in MAPI studied by time-resolved photoluminescence microscopy — •Alexander Biewald, Nadja Giesbrecht, Richard Ciesielski, Thomas Bein, Pablo Docampo, and Achim Hartschuh
              
            
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          10:45 | 
          HL 45.6 | 
          
            
            
              
                Structural, optical and dielectric properties of Cs2AgBiBr6, a lead-free perovskite for photovoltaic applications — •Melina Armer, Maximilian Sirtl, Patrick Dörflinger, Julian Höcker, Thomas Bein, and Vladimir Dyakonov
              
            
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          11:00 | 
          HL 45.7 | 
          
            
            
              
                Characterization of Perovskite Precursor Solutions in order to achieve High-Performance Solar Cells — •Marion Flatken, Nga Phung, Robert Wendt, Armin Hoell, and Antonio Abate
              
            
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          11:15 | 
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              15 min. break
            
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          11:30 | 
          HL 45.8 | 
          
            
            
              
                Solution-Processed Perovskite Solar Cells — Florian Mathies, Gopinath Paramasivam, Janardan Dagar, and •Eva Unger
              
            
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          11:45 | 
          HL 45.9 | 
          
            
            
              
                How do solvent molecules determine the electronic structure of halide perovskite precursors? — •Ana M. Valencia, Richard Schier, Oleksandra Shargaieva, Eva Unger, and Caterina Cocchi
              
            
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          12:00 | 
          HL 45.10 | 
          
            
            
              
                Photodoping through local charge carrier accumulation in alloyed hybrid perovskites for highly efficient luminescence — •Sascha Feldmann, Stuart Macpherson, Satyaprasad Senanayak, Mojtaba Abdi-Jalebi, Jasmine Rivett, Guangjun Nan, Gregory Tainter, Tiarnan Doherty, Kyle Frohna, Emilie Ringe, Richard Friend, Henning Sirringhaus, Michael Saliba, David Beljonne, Samuel Stranks, and Felix Deschler
              
            
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          12:15 | 
          HL 45.11 | 
          
            
            
              
                Perovskite solar cells from direct co-evaporation: Impact of hole transport materials on device performance — •Marcel Roß, Amran Al-Ashouri, Erica Magliano, Marko Jošt, and Steve Albrecht
              
            
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          12:30 | 
          HL 45.12 | 
          
            
            
              
                The impact of mobile ions on the open cicuit voltage decay of perovskite solar cells explained by time resolved drift-diffusion simulations. — •Mathias Fischer, David Kiermasch, Kristofer Tvingstedt, and Vladimir Dyakonov
              
            
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