Abstract
This chapter explores the interference-based anti-reflection and light trapping methodologies for solar cell applications. When two monochromatic coherent waves having constant phase difference meet, the interference phenomena is observed. Detailed analysis of interference-based anti-reflection and principle behind the observed phenomenon has been covered. Starting from simple reflection and interference of the reflected light from single dielectric coating, the phenomenon of anti-reflection has been covered and extended to multilayer anti-reflection coating applications. The thickness and refractive index of a dielectric layers are the two most important parameters of concerns for their use as anti-reflection coatings. Correlation with reflectance minima with wavelength and dielectric layer parameters has been presented. Experimental measurements of reflectance for various suitable anti-reflection coatings have also been presented and compared with the theoretical results. At the end, benefits and limitations of dielectric-based reflectance have been discussed in context of c-Si solar cells.
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Solanki, C.S., Singh, H.K. (2017). Principle of Dielectric-Based Anti-reflection and Light Trapping. In: Anti-reflection and Light Trapping in c-Si Solar Cells. Green Energy and Technology. Springer, Singapore. https://doi.org/10.1007/978-981-10-4771-8_3
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DOI: https://doi.org/10.1007/978-981-10-4771-8_3
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