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Large-area Hybrid Silicon Heterojunction Solar Cells with Ni/Cu Plated Front Contacts

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Jan 2014Publisher:Elsevier BVJournal:Energy Procedia, volume 55, pages 715-723 (issn: 1876-6102,

Authors: Silvia Martin de Nicolas; J.F. Lerat; Filip Duerinckx; Christophe Ballif; Richard Russell; Stefano Nicola Granata; Monica Aleman; +10 Authors

doi: 10.1016/j.egypro.2014.08.051

Large-area Hybrid Silicon Heterojunction Solar Cells with Ni/Cu Plated Front Contacts

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Abstract

AbstractNi/Cu plated front contacts are applied to large-area hybrid silicon heterojunction (SHJ) solar cells consisting of a diffused front surface field and intrinsic and boron doped a-Si:H(i/p+) layers forming the rear SHJ emitter. Nickel silicide front contacts are formed by excimer laser annealing (ELA) which unlike rapid thermal annealing (RTA) is shown to be compatible with a rear SHJ emitter. A top efficiency of 20.1% (externally confirmed at FhG-ISE CalLab), with jsc=39.0mA/cm2, Voc=675.1mV, and FF=76.5% is obtained on 15.6x15.6 cm2 n-type Cz-Si in a first trial and this without compromising solder tab adhesion results at the front side. Limitations arising from series resistance at the rear side and from recombination at the front side are discussed.

Related Organizations

KU Leuven
Belgium
RWTH Aachen University
Germany
Katholieke Universiteit Leuven
Belgium
École Polytechnique Fédérale de Lausanne EPFL
Switzerland

Keywords

nickel, hybrid, Energy(all), copper, silicon heterojunction

2 Research products, page 1 of 1

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