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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…
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…
Probing the ionic defect landscape in halide perovskite solar cells
Sebastian Reichert, Qingzhi An, Young-Won Woo +3
Point defects in metal halide perovskites play a critical role in determining their properties and optoelectronic performance; however, many open questions remain unanswered. In th…