Title:	Waveguide-Based Spectrum-Splitting Concept for Parallel-Stacked Tandem Solar Cells
Author(s):	T.P.N. Veeken, A. Polman
Topic:	New Materials and Concepts for Photovoltaic Devices
Subtopic:	New Materials and Concepts for Cells and Modules
Event:	33rd European Photovoltaic Solar Energy Conference and Exhibition
Session:	1CV.3.23
ISBN:	3-936338-47-7
Price:	0,00 EUR
Document(s):	poster

Abstract/Summary:

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Instead of vertically stacking solar cells on top of each other, we propose a parallel stacked multi-junction solar cell. Such a design inherently doesn’t have the problems associated with a vertical design, such as current-matching (cells are individually electrically connected), the need for many transparent conducting films, and epitaxial growth constraints of subsequent layers. A spectrum-splitting layer splits the sunlight into distinct spectral bands and subsequently directs each band to the subcell with corresponding bandgap.