Numerical simulation and a parametric study of inorganic nanowire solar cells

作者：Ali Nouran M; Haleem Ashraf M Abdel; Allam Nageh K; Rafat Nadia H

来源：International Journal of Numerical Modelling: Electronic Networks, Devices and Fields , 2017, 30(2): UNSP e2176.

DOI：10.1002/jnm.2176

• radial p-n junction
• solar cells
• nanowire
• numerical
• finite difference

Radial junction nanorods (nanowires) are mainly used to improve the carrier collection efficiency and accordingly the conversion efficiency of solar cells. In this work, a numerical simulator has been produced for a cylindrical p-n junction solar cell based on a finite difference discretization of semiconductor, Poisson ' s, drift-diffusion transport and charge continuity equations. It can be applied to estimate the photogenerated current density, open circuit voltage, fill factor and conversion efficiency of inorganic radial p-n and p-i-n junction nanowires. Additionally, the simulator can produce the spatial distribution of the carriers ' densities, electric field and energy bands of the nanowires. The simulator results show a good matching with previously published ones. Finally, the simulator is used in a parametric study to optimize the geometry and the junction depth of cylindrical silicon solar cells.

• 出版日期2017-4