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In a recent experiment done during my second year of physics bachelor's degree, I built a photovoltaic cell by evaporating silver on one side of a thin silicium tablet and then gold on this other side. The main experimental resultant is :

  • the side with silver produces less current that the side with gold

I have absolutely no idea why this happens. Any help would be appreciated,

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  • $\begingroup$ The geometry, materials and measurement are not quite clear enough to give and answer. Really you should be measuring the current-voltage characteristic. This will help you identify electrical losses. $\endgroup$ – boyfarrell Jun 10 '20 at 13:40

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