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

Figure 7

(a) The spectral emissivity of designed TPV emitter with and without nanopyramid. (b) The emittance spectra of the nanopyramid TPV emitter using AlN with different metal. (c) W with different dielectric material of the suggested TPV emitter. (d) The spectral emissivity of suggested emitter with simulation and experimental result of Wang et al. [21] for band gap of InGaAs. (e) The spectral emissivity of suggested emitter with Woolf et al. [30] and Maremi et al. [23] for EQE of InGaAs.

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