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Embedded inkjet printed silver grids for ITO-free organic solar cells with high fill factor

AuthorsBurgués-Ceballos, Ignasi; Kehagias, N. ; Sotomayor Torres, C. M. ; Campoy Quiles, Mariano ; Lacharmoise,  Paul
KeywordsEmbedded electrodes
Silver grids
Inkjet printing
Reverse nanoimprinting transfer
ITO replacement
Polymer solar cells
Issue Date2014
CitationSolar Energy Materials and Solar Cells 127: 50-57 (2014)
AbstractWe combine inkjet printed silver grids and reverse nanoimprinting transfer to demonstrate front electrode structures embedded within the substrate for indium tin oxide (ITO) replacement in organic solar cells. The smooth interface between Ag grid and transparent semiconductor polymer PEDOT:PSS improves the topology of the successive layers. In turn, this results in overall good photovoltaic performance including high fill factor and no shunting. By modelling the shadowing and resistive losses as a function of the separation between grid lines, the optimal grid structure is identified, which we then confirm experimentally. Inkjet printed ITO-free solar cells showed slightly higher performance than the ITO based reference.
Identifiersdoi: 10.1016/j.solmat.2014.03.024
issn: 0927-0248
e-issn: 1879-3398
Appears in Collections:(CIN2) Artículos
(ICMAB) Artículos
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