File:ShockleyQueisserVOC.svg
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Size of this PNG preview of this SVG file: 608 × 600 pixels. Other resolutions: 243 × 240 pixels | 487 × 480 pixels | 778 × 768 pixels | 1,038 × 1,024 pixels | 2,076 × 2,048 pixels | 742 × 732 pixels.
Original file (SVG file, nominally 742 × 732 pixels, file size: 27 KB)
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English: Black curve: The limit for the maximum open-circuit current of a solar cell within the Shockley-Queisser model. The x-axis is the bandgap of the solar cell in electron volts, the y-axis is the highest possible open-circuit voltage in volts. The red dotted line is "y=x", showing that the open-circuit voltage is always somewhat smaller than the bandgap voltage. (The model assumes a single-junction solar cell under unconcentrated light, and some other assumptions too. I used the AM1.5G solar spectrum data for the calculation.) I cross-checked my curve with an independently-calculated one and they agree to high accuracy, see Practical Handbook of Photovoltaics p129.
Русский: Черная линия — предел максимального напряжения холостого хода солнечного элемента в модели Шокли — Кейсера. По оси X отложена запрещенная зона солнечного элемента в электрон-вольтах, по оси Y — максимально возможное напряжение холостого хода в вольтах. Красная пунктирная линия — «y=x», проведена для иллюстрации, что напряжение холостого хода всегда несколько меньше напряжения запрещенной зоны. |
| Date | |
| Source | Own work |
| Author | Sbyrnes321 |
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I 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 to Python, and you can now see the whole calculation and results at https://github.com/sbyrnes321/SolarCellEfficiencyLimits/blob/master/sq.ipynb
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I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 08:30, 9 February 2011 | | 742 × 732 (27 KB) | Sbyrnes321 (talk | contribs) | {{Information |Description ={{en|1=Black curve: The limit for the maximum open-circuit current of a solar cell within the Shockley-Queisser model. The x-axis is the bandgap of the solar cell in electron volts, the y-axis is the highest possible open-ci |
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