FIELD: physics.
SUBSTANCE: invention relates to physics and semiconductor device engineering, particularly crystalline silicon-based solar cells. The crystalline silicon-based solar cell consists of p- and n-type conductivity regions, electrodes for the p and n regions, wherein according to the invention, a diffraction grating is formed on the front surface of the crystal, said diffraction grating having a period equal to the wavelength of radiation quanta, the energy of which is equal to the band gap of the crystal.
EFFECT: invention reduces the absorption depth of solar radiation quanta, reduces optical and electrical losses and increases efficiency of conversion and enables to produce ultra-thin crystalline solar cells.
2 dwg
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