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Integrating surface nanotextures into thin crystalline-Si solar cells: The case of a 1-μm-thin nanoimprinted heterojunction cell

Conference paper
Authors Valérie Depauw
Inès Massiot
Wanghua Chen
Christos Trompoukis
Twan Bearda
Alexandre Dmitriev
Pere Roca i Cabarrocas
Ivan Gordon
Jef Poortmans
Published in Photovoltaic Specialists Conference (PVSC), 2016 IEEE 43rd
ISBN 978-1-5090-2724-8
Publisher IEEE
Publication year 2016
Published at Department of Physics (GU)
Language en
Keywords Optical surface waves, Photovoltaic cells, Silicon, Photonics, Passivation, Surface resistance, thin-film, crystalline silicon, heterojunction, light management, light trapping, nanotexture
Subject categories Other electrical engineering, electronics and photonics, Nano Technology


Texturing of crystalline silicon at the light wavelength scale is a promising approach for light management in ever thinner cells. However, this approach requires adapting the device design and process, which has so far revealed to be a challenging task. Indeed, successful integration requires compromising the excellent optical properties for preserving the electrical ones. We briefly summarize what has been learned so far in the community and illustrate some of these learnings with the fabrication and improvement of 1-μm-thin monocrystalline nanotextured silicon solar cells.

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