Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/22493
Title: Solar cells from epitaxial foils: an epifoil epiphany
Authors: Govaerts, Jonathan
Trompoukis, Christos
Radhakrishnan, Hariharsudan S.
Tous, Loic
Granata, Stefano N.
Carnemolla, Enrico G.
Martini, Roberto
Marchegiani, Alessio
Karim, Marwa
Sharlandziev, Ivan
Bearda, Twan
Depauw, Valerie
Van Nieuwenhuysen, Kris
Gordon, Ivan
Szlufczik, Jozef
POORTMANS, Jef 
Issue Date: 2015
Publisher: Elsevier Science BV
Source: Hahn, G. (Ed.). 5TH INTERNATIONAL CONFERENCE ON SILICON PHOTOVOLTAICS, SILICONPV 2015, Elsevier Science BV,p. 871-880
Series/Report: Energy Procedia
Series/Report no.: 77
Abstract: In this paper we want to share our efforts on how to translate our high-quality epitaxial foils (epifoils) into cell-level performance. After framing our motivation in the introduction, we elaborate our approach at imec using available background on this topic and expected challenges. After presenting our method, consisting of layout, buildup and processing sequence, we share and compare our findings, discuss our characterization methods and add some basic simulations to improve our understanding. In conclusion, we demonstrated how we could process epitaxial foils into cells, using a completely low-temperature process and keeping the foils attached to a carrier (parent wafer for the frontside, superstrate glass for the rear side) all the way through. Even though there is room for improvement on several aspects (both electrical and optical), in a first attempt this cell integration already resulted in a best open-circuit voltage (Voc) of 695 mV. Based on the loss analysis, the most promising improvements and their potential impact are pointed out. (C) 2015 The Authors. Published by Elsevier Ltd.
Notes: [Govaerts, Jonathan; Trompoukis, Christos; Radhakrishnan, Hariharsudan S.; Tous, Loic; Granata, Stefano N.; Carnemolla, Enrico G.; Martini, Roberto; Marchegiani, Alessio; Karim, Marwa; Sharlandziev, Ivan; Bearda, Twan; Depauw, Valerie; Van Nieuwenhuysen, Kris; Gordon, Ivan; Szlufczik, Jozef] IMEC, B-3001 Louvain, Belgium. [Poortmans, Jef] KULeuven, Louvain, Belgium. [Poortmans, Jef] UHasselt, Louvain, Belgium.
Keywords: epitaxial foils; silicone bonding; cell-module integration;epitaxial foils; silicone bonding; cell-module integration
Document URI: http://hdl.handle.net/1942/22493
DOI: 10.1016/j.egypro.2015.07.123
ISI #: 000360575600122
Rights: © 2015 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
Category: C1
Type: Proceedings Paper
Validations: ecoom 2017
Appears in Collections:Research publications

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