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Optical enhancement of a printed organic tandem solar cell using diffractive nanostructures

Solution processable organic tandem solar cells offer a promising approach to achieve cost-effective, lightweight and flexible photovoltaics. In order to further enhance the efficiency of optimized organic tandem cells, diffractive light-management nanostructures were designed for an optimal redistr...

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Bibliographic Details
Main Authors: Mayer, Jan (Author) , Offermans, Ton (Author) , Chrapa, Marek (Author) , Pfannmöller, Martin (Author) , Bals, Sara (Author) , Ferrini, Rolando (Author) , Nisato, Giovanni (Author)
Format: Article (Journal)
Language:English
Published: 26 February 2018
In: Optics express
Year: 2018, Volume: 26, Issue: 6, Pages: A240-A250
ISSN:1094-4087
DOI:10.1364/OE.26.00A240
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1364/OE.26.00A240
Verlag, lizenzpflichtig, Volltext: https://www.osapublishing.org/oe/abstract.cfm?uri=oe-26-6-A240
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Author Notes:Jan A. Mayer, Ton Offermans, Marek Chrapa, Martin Pfannmöller, Sara Bals, Rolando Ferrini, and Giovanni Nisato
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Summary:Solution processable organic tandem solar cells offer a promising approach to achieve cost-effective, lightweight and flexible photovoltaics. In order to further enhance the efficiency of optimized organic tandem cells, diffractive light-management nanostructures were designed for an optimal redistribution of the light as function of both wavelength and propagation angles in both sub-cells. As the fabrication of these optical structures is compatible with roll-to-roll production techniques such as hot-embossing or UV NIL imprinting, they present an optimal cost-effective solution for printed photovoltaics. Tandem cells with power conversion efficiencies of 8-10% were fabricated in the ambient atmosphere by doctor blade coating, selected to approximate the conditions during roll-to-roll manufacturing. Application of the light management structure onto an 8.7% efficient encapsulated tandem cell boosted the conversion efficiency of the cell to 9.5%.
Item Description:Gesehen am 23.03.2020
Physical Description:Online Resource
ISSN:1094-4087
DOI:10.1364/OE.26.00A240

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