Research Article

Photonic Crystal-Integrated Semitransparent Solar Cell for Solar Greenhouse Application

Figure 2

(a) Light absorption spectrum of photosynthesis pigments, such as chlorophyll a and chlorophyll b, as a function of wavelength, redrawn from Ref. [40, 41]. (b) Transmittance spectra of various photonic crystals (types 1, 2, 3, and 4) designed for the selective transmission of red and blue lights for photosynthetic reactions. Schematic models of the designed nonperiodic stacking layer of (c) type 1, (d) type 2, (e) type 3, and (f) type 4 photonic crystals. Blue color represents high refractive index TiO2, and purple represents low refractive index SiO2.
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