How to get n,k dataset for KSnI3 ?

Mohammad Iftekher Ebne Jalal @Mohammad-Iftekher-Jalal

01 January 2024 1 764 Report

I have been working on KSnI3 solar cell, simulating on Lumerical FDTD which requires 2 set of data 'n' (real part, refractive index) and 'k' (imaginary part, optical extinction coefficient) vs wavelength. I have found 2 papers which show the graphs for n,k vs wavelength where the extracted data (by using webplot digitizer) seems somewhat inconsistent as we received it.

Do you have any suggestion ?

Shilpa Rajkumar

If you are familiar with DFT, you can simulate a unit cell of KSnI3 and extract the optical property tensor for the desired wavelength region.

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