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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:


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.