תמונות העטיפה

Comparison of absorption simulation in semiconductor nanowire and nanocone arrays with the Fourier modal method, the finite element method, and the finite-difference time-domain method

שמור ב:
הוצא לאור ב:Nano Express vol. 1, no. 3 (Dec 2020)
מחבר ראשי: Nicklas Anttu
מחברים אחרים: Mäntynen, Henrik, Sadi, Toufik, Matikainen, Antti, Turunen, Jari, Lipsanen, Harri
יצא לאור:
IOP Publishing
נושאים:
Finite element method
Mathematical analysis
Nanostructure
Absorption
Prototyping
Finite difference time domain method
Solar cells
Time domain analysis
Broadband
Arrays
Mathematical models
Finite element analysis
Narrowband
Numerical methods
Nanowires
Geometric accuracy
Computing time
Computer simulation
Photovoltaic cells
גישה מקוונת:Citation/Abstract
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Resumen:For the design of nanostructured semiconductor solar cells and photodetectors, optics modelling can be a useful tool that reduces the need of time-consuming and costly prototyping. We compare the performance of three of the most popular numerical simulation methods for nanostructure arrays: the Fourier modal method (FMM), the finite element method (FEM) and the finite-difference time-domain (FDTD) method. The difference between the methods in computational time can be three orders of magnitude or more for a given system. The preferential method depends on the geometry of the nanostructures, the accuracy needed from the simulations, whether we are interested in the total, volume-integrated absorption or spatially resolved absorption, and whether we are interested in broadband or narrowband response. Based on our benchmarking results, we provide guidance on how to choose the method.
ISSN:2632-959X
DOI:10.1088/2632-959X/abd0d6
Fuente:Science Database