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Lattice compression increases the activation barrier for phase segregation in mixed-halide perovskites
Loreta A. Muscarella, Eline M. Hutter, Francesca Wittmann +7
The bandgap tunability of mixed-halide perovskites makes them promising candidates for light emitting diodes and tandem solar cells. However, illuminating mixed-halide perovskites…
Quantifying Charge Carrier Mobilities and Recombination Rates in Metal Halide Perovskites from Time-Resolved Microwave Photo-conductivity Measurements
Tom J. Savenije, Dengyang Guo, Valentina M. Caselli +1
The unprecedented rise in power conversion efficiency of solar cells based on metal halide perovskites (MHPs) has led to enormous research effort to understand their photo-physical…
Pitfalls and prospects of optical spectroscopy to characterize perovskite-transport layer interfaces
Eline M. Hutter, Thomas Kirchartz, Bruno Ehrler +2
Perovskite photovoltaics has witnessed an unprecedented increase in power conversion efficiency over the last decade. The choice of transport layers, through which photo-generated…
Crystal orientation and grain size: do they determine optoelectronic properties of MAPbI3 perovskite?
Loreta A. Muscarella, Eline M. Hutter, Sandy Sanchez +5
It is thought that growing large, oriented grains of perovskite can lead to more efficient devices. We study MAPbI3 films fabricated via Flash Infrared Annealing (FIRA) consisting…