Chemical-vapor deposition adapted to yield graded index of refraction. Silicon nitride deposited in layers, refractive index of which decreases with distance away from cell/coating interface. Changing index of refraction allows adjustment of spectral transmittance for wavelengths which cell is most effective at converting light to electric current. Average conversion efficiency of solar cells increased from 8.84 percent to 12.63 percent.
Silicon Nitride Antireflection Coatings for Photovoltaic Cells
NASA Tech Briefs ; 8 , 1
1984-04-01
Miscellaneous
No indication
English
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