(Phys.org) —The Energy Department's National Renewable Energy Lab has announced a world record of 31.1% conversion efficiency for a two-junction solar cell under one sun of illumination.
Energy & Green Tech
Jun 25, 2013
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Organic solar cells are usually less effective than silicon solar cells. But there is still a market for them—and they're beautiful and exciting.
Materials Science
Jan 28, 2020
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Perovskite solar cells are cheaper to make than traditional silicon cells and their electricity conversion efficiency is improving rapidly. To be commercially viable, perovskite cells need to scale up from lab size. Researchers ...
Energy & Green Tech
Oct 5, 2015
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Researchers from North Carolina State University and Hong Kong University of Science and Technology have found that temperature-controlled aggregation in a family of new semi-conducting polymers is the key to creating highly ...
Energy & Green Tech
Nov 10, 2014
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Solarmer Energy Inc. is developing plastic solar cells for portable electronic devices that will incorporate technology invented at the University of Chicago.
Jan 21, 2009
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Photons with energy higher than the band gap of the semiconductor absorbing them give rise to what are known as hot electrons. The extra energy in respect to the band gap is lost very fast, as it is converted into heat and ...
Condensed Matter
Jan 16, 2018
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Solar cells are just like leaves, capturing the sunlight and turning it into energy. It's fitting that they can now be made partially from trees.
Nanomaterials
Mar 26, 2013
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Converting sunlight to electricity might no longer mean large panels of photovoltaic cells atop flat surfaces like roofs.
Nanomaterials
Nov 2, 2009
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In this week's Nature Communications Imec presents the development of fullerene-free organic photovoltaic (OPV) multilayer stacks achieving a record conversion efficiency of 8.4 percent. This breakthrough achievement is an ...
Energy & Green Tech
Mar 11, 2014
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Substantial advances for applications of nanocrystals in the fields requiring a continuous output of photons and high quantum efficiency may soon be realized due to discovery of non-blinking semiconductor nanocrystals. ...
Nanomaterials
May 14, 2009
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