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|Title:||Two step sintering process and metal grid design optimization for highly efficient ITO free organic photovoltaics||Authors:||Neophytou, Marios
Fyrillas, Marios M.
Choulis, Stelios A.
|Major Field of Science:||Engineering and Technology||Field Category:||Environmental Engineering||Keywords:||Inkjet printing;ITO-Free electrodes;Metal grids;Printed electronics;Silver nanoparticles;Transparent electrodes||Issue Date:||1-Mar-2014||Source:||Solar Energy Materials and Solar Cells, 2014, vol. 122, pp. 1-7||Volume:||122||Start page:||1||End page:||7||Journal:||Solar Energy Materials and Solar Cells||Abstract:||The need for inexpensive alternative to indium doped tin oxide (ITO) transparent electrodes is imminent for cost-efficient solution processed optoelectronic applications. ITO-free transparent electrodes can be based on inkjet-printed Silver (Ag) nanoparticles grids embedded into PEDOT:PSS buffer layers. We present an in-depth investigation of the morphological evolution of the inkjet printed Ag nanopartricle sintering process combined with an ultimate control of the printed grid design requirements for efficient ITO-free organic photovoltaics (OPVs). We report on glass/ITO-free P3HT:PC60BM and Si-PCPDTBT:PC70BM based OPVs with power conversion efficiency of 2.8% and 4.9% respectively. These devices exhibited minimal losses when compared to reference ITO-based OPVs.||ISSN:||1879-0248||DOI:||10.1016/j.solmat.2013.11.021||Collaboration :||Cyprus University of Technology
|Appears in Collections:||Άρθρα/Articles|
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