Three-dimensional photonic-crystal emitter for thermal photovoltaic power generation

Lin, S. Y.; Moreno, J.; Fleming, J. G.
July 2003
Applied Physics Letters;7/14/2003, Vol. 83 Issue 2, p380
Academic Journal
A three-dimensional tungsten photonic crystal is experimentally realized with a complete photonic band gap at wavelengths λ⩾3 mm. At an effective temperature of 〈T〉 ∼ 1535 K, the photonic crystal exhibits a sharp emission at l;1.5 mm and is promising for thermal photovoltaic (TPV) power generation. Based on the spectral radiance, a proper length scaling and a planar TPV model calculation, an optical-to-electric conversion efficiency of ∼34% and electrical power of ∼14 W/cm[SUP2] is theoretically possible.


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