/sci/ - Science & Math

Anonymous Thu Oct 13 16:59:00 2016 No.8410450 [View]
File: 2.11 MB, 2800x1581, Best_Research-Cell_Efficiencies.png [View same] [iqdb] [saucenao] [google]

>>8410419
>Thin-film PVs contain gallium and cadmium

They do NOT have to use them, almost all do not, and those that do only use trace-amounts. Precious heavy-metals are not a requirement, nor are they preferred because they increase the cost.

There are dozens of solutions, much require nothing but silicon. Because that is the most cost-effective way to do it.

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/sci/ - Science & Math

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