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Proceedings Paper

Application of concentrating plasmonic luminescent down-shifting layers for photovoltaic devices
Author(s): H. Ahmed; M. Rafiee; S. Chandra; A. Sethi; S. J. McCormack
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Paper Abstract

In this paper, concentrating structures of plasmonic luminescent downshifting composite layers (c-pLDS) containing lumogen yellow dye and silver nanoparticles (Ag NPs) to increase the efficiency of Photovoltaic (PV) devices were investigated. The c-pLDS structures allowed for a wider absorption range of both wavelength shifting and light concentration with a strong energy transfer that red shifts photons to wavelengths which gives greater spectral response of solar cells. The optimum dye concentration in a poly(methyl,methacrylate) polymer of a thin layer ~10μm spin coated on glass substrate was established. Subsequently, plasmonic coupling with Ag NPs was introduced for the c-pLDS composite structures. Plasmonic coupling has been observed to produce fluorescence emission enhancement of up to 20% for the dye c-pLDS layer. The c-pLDS layer was modelled for CdTe mini modules (15x15 cm) and compared with a blank PMMA/GLASS and dye c-LDS structure. It has been demonstrated that the addition of c-pLDS layers containing lumogen yellow dye increases the optical efficiency and the Short circuit current (Jsc) of CdTe solar cells. An increase of 7.3% in the optical efficiency has been achieved and a 30% in the Jsc was obtained when a c-pLDS composite layer is used.

Paper Details

Date Published: 23 February 2017
PDF: 10 pages
Proc. SPIE 10099, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices VI, 100991A (23 February 2017); doi: 10.1117/12.2252575
Show Author Affiliations
H. Ahmed, Trinity College Dublin (Ireland)
M. Rafiee, Trinity College Dublin (Ireland)
S. Chandra, Trinity College Dublin (Ireland)
A. Sethi, Trinity College Dublin (Ireland)
S. J. McCormack, Trinity College Dublin (Ireland)

Published in SPIE Proceedings Vol. 10099:
Physics, Simulation, and Photonic Engineering of Photovoltaic Devices VI
Alexandre Freundlich; Laurent Lombez; Masakazu Sugiyama, Editor(s)

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