News tagged with energy spectrum

How to make a "perfect" solar absorber

The key to creating a material that would be ideal for converting solar energy to heat is tuning the material's spectrum of absorption just right: It should absorb virtually all wavelengths of light that ...

dateSep 29, 2014 in Nanomaterials
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Towards more efficient solar cells

A layer of silicon nanocrystals and erbium ions may help solar cells to extract more energy from the ultraviolet (UV, high-energy) part of the solar spectrum. Experimental physicists from the FOM Foundation, ...

dateAug 13, 2014 in Nanophysics
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Two for one in solar power

Solar cells offer the opportunity to harvest abundant, renewable energy. Although the highest energy light occurs in the ultraviolet and visible spectrum, most solar energy is in the infrared. There is a ...

dateNov 17, 2013 in Nanomaterials
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Topological light: Living on the edge

(Phys.org) —Topology—the understanding of how things are connected—remains abstract, even with the popular example of doughnuts and coffee cups. This concept, esoteric as it appears, is also neat because ...

dateOct 21, 2013 in Optics & Photonics
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