External Quantum Efficiency Current Density Calculator

The Solar Cell Jsc Calculator is a simple script designed to calculate the short-circuit current density (Jsc) of solar cells based on input external quantum efficiency (EQE) and spectral irradiance data. 

Features:

• EQE Analysis: Load EQE data to compute solar cell response.
• Multiple Spectra Support: Import multiple light spectrum files at once to calculate and compare the Jsc for each spectrum.
• Dynamic Visualization: Generate plots of the EQE and normalized spectra for easy comparison and analysis.

How to Use:

1. Open the software and load your EQE file (in .txt format).
2. Load one or more spectral irradiance files (in .txt format).
3. Click "Calculate Current" to compute the Jsc for each spectrum.
4. View the calculated Jsc values and corresponding plots in an easy-to-understand graphical format.

Output:

• Plots showing EQE and normalized spectra.
• Calculated Jsc values for each spectrum, displayed on the figure and console.

Requirements:

• The input files must be in .txt format with two columns:
  • EQE File: Wavelength (nm) and EQE values (0–1).
  • Spectrum File: Wavelength (nm) and irradiance (W/m²/nm).

Version:

1.0: Basic functionality of integrating EQE to calculate Jsc from a given spectrum

1.1: Multiple spectra can be added at once

1.2: Urbach energy and inflection point calculations in the EQE

1.4: COrrected a bug where numbers would overlap when a large amount of spectra were loaded. Added support for UTF-16 .txt files (UTF-32 unsupported, but who needs that?). Added a button to export the data in a .txt file

Note: Description partially written by an AI.