TUM-IAS Focus Workshop on

“Hot Carrier Dynamics in Advanced Concept Solar Cells”

Final Program

Monday, October 28

8:30 - Registration (free, on-site at TUM-IAS)

9:00 Opening Address Ernst Rank Director of TUM-IAS

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Session I – Advanced Solar Energy Conversion by Multi Generation

9:15 Novel Approaches to Photoconversion with Engineered Quantum Dots Victor I. Klimov Los Alamos National Laboratory (LANL)

9:45 Using Colloidal Quantum Dots to Overcome Hot-Carrier Relaxation Losses in Advanced Solar Energy Conversion Strategies Matthew C. Beard Natioal Renewable Energy Laboratory (NREL)

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10:15 Coffee break

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Session II – Hot Carrier Solar Cells – Fundamentals and Device Aspects

10:45 Hot Carrier Photovoltaic Devices Ned Ekins-Daukes University of New South Wales (UNSW)

11:15 Hot Carriers – Dissipation and Work Jean-Francois Guillemoles CNRS & The University of Tokyo

11:45 Valley : Towards the Realization of the Hot Carrier Ian Sellers University of Oklahoma

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12:30 Lunch (TUM-IAS Faculty Club) / Group Photo (before lunch)

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13:30 Poster Session and Coffee (TUM-IAS Faculty Club)

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Session III – Hot Carrier Scattering Dynamics I – Ultrafast Optical Spectroscopy

14:30 Electron-Phonon Coupling and Charge-Carrier Cooling in Metal Halide Perovskites for Photovoltaic Applications Laura Herz University of Oxford

15:00 Dynamics of Photocarriers and in Lead Halide Perovskites Yoshihiko Kanemitsu Kyoto University

15:30 Hot Carrier Scattering and Momentum Polarization in Hybrid Perovskites Felix Deschler Technical University of Munich (TUM)

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16:00 Coffee break

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Session IV – Hot Carrier Scattering Dynamics II – Ultrafast Electron & X-ray Spectroscopy

16:15 Hot Carrier-Lattice Coupling in Nanostructures probed by Femtosecond X-ray and Electron Scattering Techniques Aaron M. Lindenberg Stanford University

16:45 Hot Carrier and Phonon Dynamics in Semiconductors Investigated with trARPES and Femtosecond Electron Diffraction Ralph Ernstorfer Fritz-Haber Institut (FHI) Berlin

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17:15 End of Session

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18:30 Conference Dinner (Downtown Munich)

Tuesday, October 29

8:30 - Registration (free, on-site at TUM-IAS)

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Session V – Dynamics of Bright Exciton States

9:00 Bright Triplet Excitons in Cesium Halide Perovskites Alexander Efros Naval Research Laboratory (NRL)

9:30 Carrier Dynamics in Size-Controlled Halide Nanocrystals Alexander Urban Ludwig-Maximilians-University (LMU) Munich

10:00 Spatiotemporal Exciton Dynamics in Atomically Thin Materials Ermin Malic Chalmers University

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10:30 Coffee break

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Session VI – Carrier Multiplication in Diverse Materials / Experiment & Theory

11:00 Investigation of Materials for Hot Carrier Solar Cell Absorbers Gavin Conibeer University of New South Wales (UNSW)

11:30 A Decade of Carrier Multiplication in Delft Laurens Siebbeles Delft University of Technology

12:00 Simulation of Nonequilibrium Electron and Phonon Dynamics in Advanced Photovoltaic Devices Stephen M. Goodnick Arizona State University (ASU)

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12:30 Lunch (TUM-IAS)

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Session VII – Non-Equilibrium Carrier Effects in Nanowire and Photonic Systems

13:30 Nonequilibrium Electron and Phonon Effects in Quantum Cascade Devices Christian Jirauschek Technical University of Munich (TUM)

14:00 Harvesting heat from electrons in nanowires Heiner Linke Lund University

14:30 Strong Hot Carrier Effects in a GaAsSb/InP Nanowire Heterostructure Leigh M. Smith University of Cincinnati 15:00 From Bulk-like to 1D-Quantum Confined InGaAs-based Nanowire Solar Cells Gregor Koblmüller Technical University of Munich (TUM)

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15:30 End of Workshop / Coffee Break

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15:45 Optional Lab Tour through WSI / ZNN

______ca. 17:00 End of Lab Tour