Building highly efficient LEDs in the yellow-green spectrum

Description 
Argonne and Purdue researchers are peering deep into the atomic structure and composition of LED lights in order to build highly efficient LEDs in the yellow-green spectrum.
Duration 
00:00:40
Video ID 
http://youtu.be/EbH7isnP_eo
Credit 
Nestor J. Zaluzec/Argonne National Laboratory
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