NDLI: Efficient bifacial dye-sensitized solar cells through disorder by design

Content Provider	Royal Society of Chemistry (RSC)
Author	Jiménez-Solano, Alberto Li, Yuelong Carretero-Palacios, Sol Miranda-Muñoz, José M. Lozano, Gabriel Míguez, Hernán
Copyright Year	2016
Abstract	Herein we realize an optical design that optimizes the performance of bifacial solar cells without modifying any of the usually employed components. In order to do so, dielectric scatterers of controlled size and shape have been successfully integrated in the working electrodes of dye-sensitized solar cells (DSSCs), resulting in bifacial devices of outstanding performance. Power conversion efficiencies (PCEs) as high as 6.7% and 5.4% have been attained under front and rear illumination, respectively, which represent a 25% and a 33% PCE enhancement with respect to an 8 μm-thick standard solar cell electrode using platinum as the catalytic material. The remarkable bifacial character of our approach is demonstrated by the high rear/front efficiency ratio attained, around 80%, which is among the largest reported for this sort of device. The proposed optimized design is based on a Monte Carlo approach in which the multiple scattering of light within the cell is fully accounted for. We identified that the spherical shape of the scatterers is the key parameter controlling the angular distribution of the scattering, the most efficient devices being those in which the inclusions provide a narrow forward-oriented angular distribution of the scattered light.
Starting Page	1953
Ending Page	1961
Page Count	9
File Format	HTM / HTML PDF
ISSN	20507488
Volume Number	4
Issue Number	5
Journal	Journal of Materials Chemistry A
DOI	10.1039/c5ta10091g
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Subscribed
Subject Keyword	Monte Carlo Dielectric Dye-sensitized solar cell Solar cell Electrode Monte Carlo method
Content Type	Text
Resource Type	Article
Subject	Chemistry Renewable Energy, Sustainability and the Environment Materials Science

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