did the calculation in Mathematica, plotted it in Origin, and did PDF-->SVG conversion in Inkscape. Then a few years later, I ported the code from Mathematica...
This image is a derivative work of the following images: File:ShockleyQueisserFullCurve.svg licensed with PD-self 2011-02-09T08:09:57Z Sbyrnes321 969x720...
DescriptionShockleyQueisserFullCurve-ru.svg Русский: Предел Шокли — Квиссера (предел детального баланса, предел эффективности Шокли — Квиссера) — максимальная...