Numerical Study of High Spectral Efficiency and High-Temperature Energy Harvesting Metamaterial Emitter to Improve Thermophotovoltaic Performance

Figure 9

(a) Comparison of designed nanopyramid emitter spectral efficiency with blackbody spectral efficiency. (b) Comparison of the proposed nanopyramid metamaterial spectral efficiency with the spectral efficiency of blackbody and Jiang et al. [24] at 800 K, 1000 K, and 1200 K for EQE of InGaAsSb.

(a)

(b)