Rotational dynamics of methyl ammonium ions in the hybrid organic-inorganic perovskite CH3NH3PbI2.94Cl0.06 by means of QENS investigations
Perovskites with ABX3 – structure show a huge possibility on element substitutions on A-, B- and X-site which leads to a broad variety of physical properties. In recent years the interests become focused on hybrid perovskites as a future optoelectronic material. Our main field of interest is chloride substituted methyl ammonium lead triiodide in which A is the organic unit [CH3NH3]+ = MA, B = Pb2+ and X = I3-xClx . The aim is to get an inside into the interrelationship of static and dynamic structure of MAPbI3-xClx and MAPbCl by studying the temperature dependent methyl ammonium dynamics by means of QENS investigations in order to understand the influence of chloride on the rotational dynamics of the methyl ammonium cation.
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SCHUCK Goetz; LEHMANN Frederike; MUTKA Hannu; OLLIVIER Jacques and SCHORR Susan. (2016). Rotational dynamics of methyl ammonium ions in the hybrid organic-inorganic perovskite CH3NH3PbI2.94Cl0.06 by means of QENS investigations. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.7-02-167
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