Abstract
Graphene in Solar Cells
Highlights
Refractive index of the coating is an important parameter in the design of solar cells and other optical devices where the coating is applied
Schubert’s research group deposit silica Nano rods by evaporation. They obtain good control of refractive index by varying the angle of incidence. They obtain a material with refractive index of 1.1 for an incident angle of 80°, material with n=1.07 at an incident angle of 85°
Longer photolumiscence wavelengths can be seen from larger quantum dots
Summary
Oblique angle SiO2 nanowires and Nano rods can be used to prepare advanced nanostructured antireflection coatings. These can be used in generation sensors and optical windows. Schubert’s research group deposit silica Nano rods by evaporation They obtain good control of refractive index by varying the angle of incidence. A world record for material with low n=1.05 was obtained at an incident angle of 87° They conduct research in development of graded-index AR, anti-reflection coatings for a new class of optical materials. At some higher angle of incidence the angle of refraction would be greater than 90° This would mean the ray that was to be refracted has been totally internally reflected. Fresnel reflection can be eliminated from an interface of AIN/air, aluminum nitride
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