activity
20182022
most citedInfrared Spectroscopic Study of Vibrational Modes across the Orthorhombic-Tetragonal Phase Transition in Methylammonium Lead Halide Single Crystals

82 citations · 155 across the 7 of their papers we have counts for

collaborators

7 papers

cond-mat.mtrl-sci2022★ 34 cited

Understanding the growth mechanism of BaZrS chalcogenide perovskite thin films from sulfurized oxide precursors

Santhanu Panikar Ramanandan, Andrea Giunto, Elias Z. Stutz +8

Barium zirconium sulfide (BaZrS3) is an earth-abundant and environmentally friendly chalcogenide perovskite with promising properties for various energy conversion applications. Re…

cond-mat.mtrl-sci2021★ 12 cited

Temperature-dependent EXAFS measurements of the Pb L3-edge allow quantification of the anharmonicity of the lead-halide bond of chlorine-substituted methylammonium (MA) lead triiodide

Götz Schuck, Daniel M. Többens, Dirk Wallacher +3

This article reports on studies of chlorine-substituted MAPbI3 using combined temperature-dependent XRD synchrotron and Pb-L3 edge EXAFS to analyze the anharmonicity of the lead ha…

cond-mat.mtrl-sci2019

Iodide-methylammonium interaction is responsible for ferroelectricity in CH3NH3PbI3

Joachim Breternitz, Frederike Lehmann, Sarah A. Barnett +2

Excellent conversion efficiencies of over 20 % and facile cell production have placed hybrid perovskites at the forefront of novel solar cell materials with CH3NH3PbI3 being its ar…

cond-mat.mtrl-sci2019★ 27 cited

Influence of Chloride Substitution on the Rotational Dynamics of Methylammonium in MAPbICl Perovskites

Götz Schuck, Frederike Lehmann, Jacques Ollivier +2

The hybrid halide perovskites MAPbI, MAPbICl, and MAPbCl (MA - methylammonium) have been investigated using inelastic and quasielastic neutron scatter…

cond-mat.mtrl-sci2018

Mechanochemical Synthesis of the Lead-Free Double Perovskite Cs2[AgIn]Br6 and its Optical Properties

Joachim Breternitz, Sergiu Levcenko, Hannes Hempel +4

Hitting hard on the binary halides yields in the formation of Cs2[AgIn]Br6. The lead-free double perovskite marks, although not usable itself, a further step forward in finding sus…

cond-mat.mtrl-sci2018

Cation and anion substitutions in hybrid perovskites: solubility limits and phase stabilizing effects

Frederike Lehmann, Silvia Binet, Alexandra Franz +2

Organic or inorganic (A) metal (M) halide (X) perovskites (AMX3) are semiconductor materials setting the basis for the development of highly efficient, low-cost and multijunction s…