Antireflective nanotextures for monolithic perovskite-silicon tandem solar cells
Abstract
Recently, we studied the effect of hexagonal sinusoidal textures on the reflective properties of perovskite-silicon tandem solar cells using the finite element method (FEM). We saw that such nanotextures, applied to the perovskite top cell, can strongly increase the current density utilization from 91% for the optimized planar reference to 98% for the best nanotextured device (period 500 nm and peak-to-valley height 500~nm), where 100% refers to the Tiedje-Yablonovitch limit. In this manuscript we elaborate on some numerical details of that work: we validate an assumption based on the Tiedje-Yablonovitch limit, we present a convergence study for simulations with the finite-element method, and we compare different configurations for sinusoidal nanotextures.
Keywords
Cite
@article{arxiv.1805.10152,
title = {Antireflective nanotextures for monolithic perovskite-silicon tandem solar cells},
author = {Klaus Jäger and Phillip Manley and Duote Chen and Philipp Tockhorn and David Eisenhauer and Grit Köppel and Martin Hammerschmidt and Sven Burger and Steve Albrecht and Christiane Becker},
journal= {arXiv preprint arXiv:1805.10152},
year = {2018}
}
Comments
Proceedings article, SPIE conference "Photonics for Solar Energy Systems VII," edited by Ralf B. Wehrspohn, Alexander N. Sprafke (Strasbourg, France, April 2018). This article is based on earlier work: D.Chen et. al, J. Photonics Energy 8}, 022601 (2018, arXiv:1801.07252 [physics.app-ph])