Fig. 1. The schematic diagram of borophene TPPs nearly perfect absorber

Fig. 2. The absorption characteristic of borophene TPPs perfect absorber

Fig. 3. The electric field distribution and absorption along the x-direction and y-direction

Fig. 4. The absorption spectra of proposed device with varied widths of Si₃N₄ and SiO₂ along x-direction

Fig. 5. The absorption spectra of proposed device with varied widths of Al₂O₃

Fig. 6. The absorption spectra of proposed device with varied structures of one-dimensional PC

Fig. 7. The absorption spectra of proposed device at different incident angle