Dawei Sun, Changhong Li, Lingjun Yi, Zaipeng Wang. High Absorption Broadband Solar Energy Absorber Based on Two-Dimensional Photonic Crystal[J]. Acta Optica Sinica, 2021, 41(5): 0516002
- Acta Optica Sinica
- Vol. 41, Issue 5, 0516002 (2021)
Fig. 1. Directly normal spectral irradiance (solid line) and hemispherical spectral irradiance (dashed line) on 37° tilted Sun-facing surface
Fig. 2. 2D-PC structure composed of GaAs and W. (a) Side view; (b) cross-sectional view; (c) top view
Fig. 3. Refractive index and absorption coefficient of different materials versus wavelength. (a) GaAs; (b) tungsten
Fig. 4. Simulated absorption spectra for different R
Fig. 5. Simulated absorption spectra for different p
Fig. 6. Simulated absorption spectra of three absorbers
Fig. 7. Absorptivity of each part in absorber
Fig. 8. Simulated absorption spectrum versus incident angle and wavelength for different light sources. (a) TE mode; (b) TM mode
Fig. 9. Electric field distributions at different wavelengths. (a) 700 nm; (b) 1100 nm; (c) 1400 nm; (d) 2500 nm; (e) 5000 nm
Fig. 10. Absorption spectra for different manufacturing errors
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Table 1. Effective absorptivity for different p
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Table 2. Performance parameters of absorber
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