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CsInAgCl: A new lead-free halide double perovskite with direct band gap
George Volonakis, Amir A. Haghighirad, Rebecca L. Milot +7
ABBX halide double perovskites based on bismuth and silver have recently been proposed as potential environmentally-friendly alternatives to lead-based hybrid hali…
Microseconds, milliseconds and seconds: deconvoluting the dynamic behaviour of planar perovskite solar cells
Adam Pockett, Giles Eperon, Nobuya Sakai +3
Perovskite solar cells (PSC) are shown to behave as coupled ionic-electronic conductors with strong evidence that the ionic environment moderates both the rate of electron-hole rec…
Perovskite-perovskite tandem photovoltaics with optimized bandgaps
Giles E. Eperon, Tomas Leijtens, Kevin A. Bush +24
We demonstrate four and two-terminal perovskite-perovskite tandem solar cells with ideally matched bandgaps. We develop an infrared absorbing 1.2eV bandgap perovskite, $FA_{0.75}Cs…
Optical Phonons in Methylammonium Lead Halide Perovskites and Implications for Charge Transport
Michael Sendner, Pabitra K. Nayak, David A. Egger +8
Lead-halide perovskites are promising materials for opto-electronic applications. Recent reports indicated that their mechanical and electronic properties are strongly affected by…
Spatially resolved studies of the phases and morphology of methylammonium and formamidinium lead tri-halide perovskites
K. Galkowski, A. Mitioglu, A. Surrente +8
The family of organic-inorganic tri-halide perovskites including MA (MethylAmmonium)PbI, MAPbICl, FA (FormAmidinium)PbI and FAPbBr are having a trem…
Lead-Free Halide Double Perovskites via Heterovalent Substitution of Noble Metals
George Volonakis, Marina R. Filip, Amir Abbas Haghighirad +4
Lead-based halide perovskites are emerging as the most promising class of materials for next generation optoelectronics. However, despite the enormous success of lead-halide perovs…