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2D Modeling of Solar Cell p-n Radial Junction: Study of Photocurrent Density and Quantum Efficiency in Static Mode under Monochromatic Illumination

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Document pages: 10 pages

Abstract: A theoretical study of a polysilicon solar cell with a radial junction in static regime under monochromaticillumination is presented in this paper. The junction radial solar cellgeometry is illustrated and described. The carriers’ diffusion equation isestablished and solved under quasi-neutral base assumption with boundaries conditionsand Bessel equations. New analytical expressions of electrons and holesphotocurrent density and quantum efficiency are found. Thewavelength and structural parameters (base radius, base thickness and wavelength)influences on photocurrent density and quantum efficiency are carriedout and examined.

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