Abstract
The optical properties of perovskites at ambient temperatures are important both to the design of optimised solar cells as well as in other areas such as the refinement of electronic band structure calculations. Limited previous information on the optical modelling has been published. The experimental fitting parameters for optical constants of CH3NH3PbI3−xClx and CH3NH3PbI3 perovskite films are reported at 297 K as determined by detailed analysis of reflectance and transmittance data. The data in this study is related to the research article “Room temperature optical properties of organic–inorganic lead halide perovskites” in Solar Energy Materials & Solar Cells [1].
Highlights
Australian Centre for Advanced Photovoltaics (ACAP), School of Photovoltaic and Renewable Energy Engineering, University of New South Wales, Sydney 2052, Australia article info
Experimental factors Ellipsometry data and T were obtained for borosilicate glass, TiO2 on glass and TiO2 coated glass in the
WVASEs is used to model the optical properties of the individual borosilicate glass and TiO2 layer based features on the ellipsometry and transmission data for these layers
Summary
The fabrication processes of each sample were explained. The surface morphology of each individual layer was characterised. The data provides optical analysis of all layers in the perovskite sample under study ensuring the accuracy of the modelling. Parameters for optical model of each material were presented. The fabrication details of CH3NH3PbI3 thin film at room temperature are presented with surface morphology characterised by Atomic Force Microscopy. The optical properties of each individual layer were investigated by variable angle spectroscopic ellipsometry and spectrophotometry. In order to determine the optical properties of CH3NH3PbI3 thin film, the optical properties from any substrate components were studied first. Different optical models were built to deduce the optical parameters of each layer
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