News tagged with photon

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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, ...

Aug 13, 2014 4.7 / 5 (13) 6

Acid ions are more than spectators

( —X-ray absorption fine structure (EXAFS) measurements carried out at the U.S. Department of Energy's (DOE's) Advanced Photon Source, coupled with state-of-the-art density functional theory (DFT) ...

Aug 07, 2014 not rated yet 0

A mirror with a peephole

When light shines through air onto water, some of the light usually will be reflected back into the air. But at one specific angle, called the Brewster angle, all of the p-polarized light travels into the ...

Aug 13, 2014 4.5 / 5 (4) 0