ISIS Neutron and Muon Source Data Journal

Muon Studies of Ion Diffusion in Single-Crystal Photovoltaic Materials

Abstract: In recent years, the family of lead halide perovskite materials (e.g. MAPbI3) has attracted substantial interest due to their unique combination of properties and potential solar cell, light-emitting diode, and laser applications. One of the issues with these materials is to keep high efficiency during operation i.e. life-time problems. One of the main reasons behind such degradation has been identified as ion-diffusion causing inhomogeneities in the chemical composition, especially at surfaces and interfaces within the device. This proposed project aims to study the true intrinsic Iodine and Bromine ion diffusion process in high-quality single crystalline samples of MAPbI3 and MAPPbBr3 using our own developed muon spin rotation (muSR) technique. The study is an initial study on the course towards future in situ / in operando studies using the same (and similar) single crystal samples.

Principal Investigator: Professor Yasmine Sassa
Experimenter: Dr Nami Matsubara
Experimenter: Dr Ola Kenji Forslund
Experimenter: Mr Konstantinos Papadopoulos
Experimenter: Dr Pabitra Nayak
Experimenter: Professor Martin Mansson
Experimenter: Dr Gabriel Man
Local Contact: Dr Stephen Cottrell
Experimenter: Dr Elisabetta Nocerino

DOI: 10.5286/ISIS.E.RB1920644

ISIS Experiment Number: RB1920644

Publisher: STFC ISIS Neutron and Muon Source

Data format: RAW/Nexus
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Data Citation

The recommended format for citing this dataset in a research publication is as:
[author], [date], [title], [publisher], [doi]

For Example:
Professor Yasmine Sassa et al; (2019): Muon Studies of Ion Diffusion in Single-Crystal Photovoltaic Materials, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB1920644

Data is released under the CC-BY-4.0 license.