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Encapsulating Eu 3+ complex doped layers to improve Si‐based solar cell efficiency
Author(s) -
Le Donne Alessia,
Acciarri Maurizio,
Narducci Dario,
Marchionna Stefano,
Binetti Simona
Publication year - 2009
Publication title -
progress in photovoltaics: research and applications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.286
H-Index - 131
eISSN - 1099-159X
pISSN - 1062-7995
DOI - 10.1002/pip.902
Subject(s) - dopant , doping , materials science , quenching (fluorescence) , lanthanide , quantum efficiency , solar cell efficiency , organic solar cell , optoelectronics , ion , solar cell , chemical engineering , analytical chemistry (journal) , nanotechnology , chemistry , polymer , optics , organic chemistry , physics , composite material , fluorescence , engineering
This paper reports the electrical characterization of commercially available crystalline silicon solar cells encapsulated with poly‐vinylacetate doped with different Eu 3+ organic complexes. The inclusion of these complexes in the encapsulating matrix allows down‐shifting of the solar spectrum components below 420 nm toward the maximum quantum efficiency of the solar cells. This effect has been proven under Air Mass 1·5 conditions (simulating terrestrial applications) where an increase of the total power delivered by the encapsulated cells has been observed. Moreover, this enhancement has been obtained using very low percentage by weight of organolanthanide dopants, allowing a reduction in the Watt peak price. At higher concentrations a strong quenching of the energy transfer from the organic antenna to the lanthanide ion has been observed. Copyright © 2009 John Wiley & Sons, Ltd.