Coupled spectral-hybridizable-discontinuous-Galerkin modeling of thin-film photovoltaic solar cells

Tom H. Anderson; Benjamin J. Civiletti; Peter B. Monk; Akhlesh Lakhtakia

doi:10.1117/12.2320795

17 September 2018 Coupled spectral-hybridizable-discontinuous-Galerkin modeling of thin-film photovoltaic solar cells

Tom H. Anderson, Benjamin J. Civiletti, Peter B. Monk, Akhlesh Lakhtakia

Proceedings Volume 10759, New Concepts in Solar and Thermal Radiation Conversion and Reliability; 107590X (2018) https://doi.org/10.1117/12.2320795
Event: SPIE Optical Engineering + Applications, 2018, San Diego, California, United States

Abstract

An optoelectrical model has been developed to simulate thin-film photovoltaic solar cells with periodically corrugated metallic backreflectors. The rigorous coupled-wave approach (RCWA) is used to calculate the absorption across the solar spectrum. This enables the calculation of the generation rate that drives a drift-diffusion model for the electrons and holes. The drift-diffusion equations are discretized using a hybridizable-discontinuous- Galerkin (HDG) scheme. The Newton{Raphson method is used to solve the resulting nonlinear system, with upwinding and homotopy used for stabilization. Numerical results concerning the convergence of HDG indicate that the HDG model is efficient and can be used to assess and improve solar cell designs.

Conference Presentation

Citation Download Citation

Tom H. Anderson, Benjamin J. Civiletti, Peter B. Monk, and Akhlesh Lakhtakia "Coupled spectral-hybridizable-discontinuous-Galerkin modeling of thin-film photovoltaic solar cells", Proc. SPIE 10759, New Concepts in Solar and Thermal Radiation Conversion and Reliability, 107590X (17 September 2018); https://doi.org/10.1117/12.2320795

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