We had some really great threads last year, with the following four nominated for the Thread of the Year award in this January's Environment Site Awards ceremony.
Solar Energy ForumI have no doubt that we will be successful in harnessing the sun's energy.... If sunbeams were weapons of war, we would have had solar energy centuries ago. ~Sir George Porter
Researchers at TU Delft (Netherlands) and the FOM Foundation for Fundamental Research on Matter have found irrefutable proof that the so-called avalanche effect by electrons occurs in specific, very small semiconducting crystals. This physical effect could pave the way for cheap, high-output solar cells. The findings are to be published in scientific journal Nano Letters this week.
Conventional solar cells produce one electron (current) per photon that strikes the cell. The nanoscale solar cells can free 2 or 3 electrons per photon.
Lets hope they can find a cost effective way to harness that magnified energy and turn it into more power. Possibly via a Stirling Engine, or other heat engine technology etc...
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Avalanche Effect in Solar Cells
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