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Fröhlich polaron effective mass and localization length in cubic materials: degenerate and anisotropic electronic bands
Bogdan Guster, Pedro Melo, Bradley A. A. Martin +7
Polarons, that is, charge carriers correlated with lattice deformations, are ubiquitous quasiparticles in semiconductors, and play an important role in electrical conductivity. To…
Multi-Pulse Terahertz Spectroscopy Unveils Hot Polaron Photoconductivity Dynamics in Metal-Halide Perovskites
Xijia Zheng, Thomas R. Hopper, Andrei Gorodetsky +5
The behavior of hot carriers in metal-halide perovskites (MHPs) present a valuable foundation for understanding the details of carrier-phonon coupling in the materials as well as t…
Giant Huang-Rhys Factor for Electron Capture by the Iodine Interstitial in Perovskite Solar Cells
Lucy D. Whalley, Puck van Gerwen, Jarvist M. Frost +3
Improvement in the optoelectronic performance of halide perovskite semiconductors requires the identification and suppression of non-radiative carrier trapping processes. The iodin…
Accelerated hot-carrier cooling in MAPbI3 perovskite by pressure-induced lattice compression
Loreta A. Muscarella, Eline M. Hutter, Jarvist M. Frost +4
Hot-carrier cooling (HCC) in metal halide perovskites in the high-density regime is significantly slower compared to conventional semiconductors. This effect is commonly attributed…