Pump up the solar power

Yeah. It’s article time again.

Published in Nature this week, Michael Grätzel’s team at EPFL boosted the power-conversion efficiency of their famous solar cells up to 15%. If you don’t know why that’s awesome, read this.

3 thoughts on “Pump up the solar power

  1. “up to a record 15%, exceeding the power conversion efficiencies of conventional, amorphous silicon-based solar cells”

    So what are the conventional efficiencies then? Strangely, it is missed in the press release…


    • As I understand it, power-conversion efficiencies for amorphous Si cells go up to 15% as well – that’s for cells that can be used in photovoltaic devices. Efficiencies in the lab can go higher, but the materials cost too much at the moment.


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