Solution-processed small molecule:fullerene bulk-heterojunction solar cells: impedance spectroscopy deduced bulk and interfacial limits to fill-factors
Impacto
Scholar |
Otros documentos de la autoría: Guerrero, Antonio; Loser, Stephen; Garcia-Belmonte, Germà; Bruns, Carson J.; Smith, Jeremy; Miyauchi, Hiroyuki; Stupp, Samuel I.; Bisquert, Juan; Marks, Tobin J.
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Mostrar el registro completo del ítemcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/2507
comunitat-uji-handle3:10234/6973
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http://dx.doi.org/10.1002/oby.2039910.1039/C3CP52363B |
Metadatos
Título
Solution-processed small molecule:fullerene bulk-heterojunction solar cells: impedance spectroscopy deduced bulk and interfacial limits to fill-factorsAutoría
Fecha de publicación
2013Editor
Royal Society of ChemistryISSN
1463-9076; 1463-9084Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://pubs.rsc.org/en/content/articlepdf/2013/cp/c3cp52363bVersión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
Using impedance spectroscopy, we demonstrate that the low fill factor (FF) typically observed in small molecule solar cells is due to hindered carrier transport through the active layer and hindered charge transfer ... [+]
Using impedance spectroscopy, we demonstrate that the low fill factor (FF) typically observed in small molecule solar cells is due to hindered carrier transport through the active layer and hindered charge transfer through the anode interfacial layer (IFL). By carefully tuning the active layer thickness and anode IFL in BDT(TDPP)2 solar cells, the FF is increased from 33 to 55% and the PCE from 1.9 to 3.8%. These results underscore the importance of simultaneously optimizing active layer thickness and IFL in small molecule solar cells. [-]
Publicado en
Phys. Chem. Chem. Phys., 2013, Volume 15, Issue 39Derechos de acceso
This journal is © the Owner Societies 2013
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