4 ms·

We've gotten above 40% before... http://upload.wikimedia.org/wikipedia/commons/a/a5/PVeff%28rev141208%29.jpg http://upload.wikimedia.org/wikipedia/commons/a/a5/

• raverbashing 12y ago
  "We used commercial solar cells, but in a new way, so these efficiency improvements are readily accessible to the solar industry,"
  • kosmic_k 12y ago
    Thank you, I knew I had to have overlooked some aspect.
• ars 12y ago
  It's easy to get about 40%, the hard part is doing it cheap enough, and using materials that are not rare.