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Proceedings Paper

Coupled spectral-hybridizable-discontinuous-Galerkin modeling of thin-film photovoltaic solar cells
Author(s): Tom H. Anderson; Benjamin J. Civiletti; Peter B. Monk; Akhlesh Lakhtakia
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Paper 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.

Paper Details

Date Published: 17 September 2018
PDF: 9 pages
Proc. SPIE 10759, New Concepts in Solar and Thermal Radiation Conversion and Reliability, 107590X (17 September 2018); doi: 10.1117/12.2320795
Show Author Affiliations
Tom H. Anderson, Univ. of Delaware (United States)
Benjamin J. Civiletti, Univ. of Delaware (United States)
Peter B. Monk, Univ. of Delaware (United States)
Akhlesh Lakhtakia, The Pennsylvania State Univ. (United States)

Published in SPIE Proceedings Vol. 10759:
New Concepts in Solar and Thermal Radiation Conversion and Reliability
Jeremy N. Munday; Peter Bermel; Michael D. Kempe, Editor(s)

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