Optical Library for the CdSexTe1-x compound

Citation Author(s):
Antonio J. N.
Oliveira
Submitted by:
Antonio Oliveira
Last updated:
Sat, 08/17/2024 - 05:52
DOI:
10.21227/6pmb-xs57
Data Format:
*.bib; *.xlsx;
License:
Creative Commons Attribution
112 Views
Categories:
Standards Research Data
Keywords:
solar cells; CdSeTe; Thin Film; Photovoltaics
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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.

Instructions: 

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 currently submitted 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, in which the development and validation of the optical library is shown. The Optical library data will be uploaded when the Manuscript is accepted.

For any questions, please contact: antonio.oliveira@inl.int

Submitted by Antonio Oliveira on Fri, 08/16/2024 - 18:24

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