Data for SSMC and TRMC results, UV-Vis-NIR spectroscopy, XRD, XPS and SEM results and analysis in the main manuscript and Supporting Information published with DOI: 10.1021/acs.chemmater.5c00816.
The raw data were collected in the years 2024-2025, using various structural, compositional, and optoelectronic characterization methods on solution-based spin-coated mixed tin-lead (Sn-Pb) perovskite thin films with varying concentration of tin fluoride (SnF2) additive, combined with absorption spectroscopy analysis on perovskite precursors solutions. All measurements were conducted at room temperature, to study the effect of tin oxidation (SnI2 precursor oxidation) and SnF2 additive on the doping, crystal defect density and charge carrier transport properties in the layers. More specifically, all SSMC and TRMC measurements were conducted under nitrogen. The xy data obtained from X-ray diffraction (XRD), UV-Vis-NIR spectroscopy, and X-ray photoelectron spectroscopy (XPS) were imported into Igor Pro (Wavemetrics). In Igor Pro, these xy data are stored as "waves," corresponding to the values on the x and y axes in the plots. Data for Steady State Microwave Conductance (SSMC) and Time-Resolved Microwave Conductivity (TRMC) were collected directly as waves in Igor Pro on the computers connected to the respective microwave-based setups. Igor Pro was used to generate all data plots. The SEM micrographs were directly saved as .tiff files from the SEM software and converted in .png afterwards.
The SSMC results were simulated by COMSOL (finite element method analysis on the microwave cavity cell, for more details see the M.Sc. thesis by Koning, S. J, provided below and as a .pdf in the dataset) to obtain the dark conductivity. The TRMC results were simulated by SIMsalabim (drift-diffusion simulations, for more details see the URL about SIMsalabim provided below) to obtain the parameters governing the charge carrier dynamics.
For further information on file formats and naming, the units and abbreviations used for all measured values and labels, and instructions for opening or modifying Igor Pro files, please refer to the README.pdf included in the dataset. It is strongly recommended to consult the corresponding publication for guidance on the files in these datasets, as each file name includes a reference to its associated figure. The main manuscript and Supporting Information of the publication contains details about the characterization instruments and additional data processing specifics.
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