Comments on: Quantum Dots Could Boost Solar Efficiency by 100%

By: Tina Casey

Tina Casey — Sat, 18 Sep 2010 14:22:28 +0000

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By: Doris

Doris — Sat, 18 Sep 2010 07:39:36 +0000

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By: Douglas Hvistendahl

Douglas Hvistendahl — Wed, 23 Jun 2010 13:42:49 +0000

When the heat is used also (PVT technology) efficiency jumps to around 70%. What is needed is to work out ways to use the heat economically.

By: photovoltaik

photovoltaik — Wed, 23 Jun 2010 07:52:31 +0000

Right now solar cells efficiency is still low,i hope more and more new technology will shows up to raise the efficiency.

By: b r clark

b r clark — Mon, 21 Jun 2010 21:07:45 +0000

31% is much too high. That is a theoretical number for PV cells with no concentration. Realistic conversion efficiency numbers for real world modules vary from the low to upper teens depending on the technology. Lower for thin films PV like First Solar and higher for monocrystalline PV like Suniva.