We propose metamaterial thermal emitters capable of producing omni-directional emission near the blackbody limit over narrow spectral ranges. We show that in thermophotovoltaic devices these emitters will allow energy conversion beyond the Shockley-Queisser limit.
© 2012 OSA
S. Molesky, C. Dewalt, and Z. Jacob, "Epsilon-Near-Zero Metamaterial Emitters for High Efficiency Thermophotovoltaics," in Frontiers in Optics 2012/Laser Science XXVIII, OSA Technical Digest (online) (Optical Society of America, 2012), paper FTh3D.3.
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