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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…
Ab initio calculation of the detailed balance limit to the photovoltaic efficiency of single p-n junction kesterite solar cells
Sunghyun Kim, Aron Walsh
The thermodynamic limit of photovoltaic efficiency for a single-junction solar cell can be readily predicted using the bandgap of the active light absorbing material. Such an appro…
Bismuth-doping Alters Structural Phase Transitions in Methylammonium Lead Tribromide Single Crystals
Erin Jedlicka, Jian Wang, Joshua Mutch +8
We study the effects of bismuth doping on the crystal structure and phase transitions in single crystals of the perovskite semiconductor methylammonium lead tribromide, MAPbBr3. By…
Rapid Recombination by Cadmium Vacancies in CdTe
Seán R. Kavanagh, Aron Walsh, David O. Scanlon
CdTe is a key thin-film photovoltaic technology. Non-radiative electron-hole recombination reduces the solar conversion efficiency from an ideal value of 32% to a current champion…