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Optical Library for the CdSexTe1-x compound
- Citation Author(s):
- Submitted by:
- Antonio Oliveira
- Last updated:
- Thu, 12/05/2024 - 05:08
- DOI:
- 10.21227/6pmb-xs57
- Data Format:
- License:
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Abstract
Spectroscopic ellipsometry measurements were conducted to determine optical constants of CdSexTe1-x (CST) compounds deposited through co-evaporation, with the composition parameter (x) ranging from 0 to 1. The dielectric function spectra obtained from these thin films were interpolated using an energy-shift algorithm to develop a comprehensive optical library for the CST compound with x ranging from 0 to 1 with a 0.001 step. The optical library was validated by simulating the absorbance of a graded CST solar cell using the finite-difference time-domain method available in the Lumerical software and comparing with the external quantum efficiency (EQE) of a graded CST thin film solar cell.
A. J. N. Oliveira et al., "Development of an Optical Library for Coevaporated CdSexTe1−x," in IEEE Journal of Photovoltaics, doi: 10.1109/JPHOTOV.2024.3507079.
The optical constants (refractive index – n, and extinction coefficient – k) for the CdSexTe1-x compound for x ranging from 0 to 1 with a 0.001 step are filled within an excel file. For each composition three columns are filled with 1st – wavelength values, 2nd – n, and 3rd k. The composition parameter (x) associated for each set of optical constants is detailed at the third line of the excel sheet.
Comments
A Manuscript was published to the IEEE Journal of Photovoltaics entitled "Development of an Optical Library for Co-evaporated CdSexTe1-x", by António J. N. Oliveira, Bin Du, Kevin D. Dobson, Jennifer P. Teixeira, Maria R. P. Correia, Pedro M. P. Salomé, and William N. Shafarman (DOI: 10.1109/JPHOTOV.2024.3507079), in which the development and validation of the optical library is shown. Please cite the Manuscript if the dataset is used.
For any questions, please contact: antonio.oliveira@inl.int