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dc.contributor.authorSchmidt-Hansberg, Benjamin-
dc.contributor.authorSanyal, Monamie-
dc.contributor.authorGrossiord, Nadia-
dc.contributor.authorGalagan, Yulia-
dc.contributor.authorBaunach, Michael-
dc.contributor.authorKlein, Michael F.G.-
dc.contributor.authorColsmann, Alexander-
dc.contributor.authorScharfer, Philip-
dc.contributor.authorLemmer, Uli-
dc.contributor.authorDosch, Helmut-
dc.contributor.authorMichels, Jasper-
dc.contributor.authorBarrena, Esther-
dc.contributor.authorSchabel, Wilhelm-
dc.identifier.citationSolar Energy Materials and Solar Cellses_ES
dc.description25 pages, 5 figures, 2 tables.es_ES
dc.description.abstractThe rapidly increasing power conversion efficiencies of organic solar cells are an important prerequisite towards low cost photovoltaic fabricated in high throughput. In this work we suggest indane as non-halogenated replacement for the commonly used halogenated solvent o-dichlorobenzene. Indane was blended with the higher volatile solvents chloroform or toluene or o-xylene in order to improve wettability and to reduce drying time. The combination of high volatile solvents with the less volatile host solvent indane allows for an increased fabrication speed due to a reduction of the overall drying time and provides films with good light absorption behavior and high polymer crystallinity. For the solvent mixture toluene-indane, solar cell performance is comparable to the o-dichlorobenzene reference device indicating this mixture as a suitable replacement for increased productivity without drawbacks in nanomorphology as investigated by atomic force microscopy (AFM) and grazing incidence X-ray diffraction (GIXD). This study provides a fundamental understanding on solvent mixture drying kinetics and can aid the ink formulation.es_ES
dc.description.sponsorshipThe presented work was funded by the German Research Foundation (DFG) within the Priority Program 1355. We thank Ralf Weigel for his support in the MPI-MF beamline at ANKA. We acknowledge the European Synchrotron Radiation Facility for provision of synchrotron radiation facilities and Alexei Vorobiev for his support at ESRF. We further thank Hendrik Hölscher and the Karlsruhe Nano Micro Facility (KNMF) for the access to the AFM. This work was carried out in the framework of Holst Centre’s shared research programs. B.S.H. thanks the Karlsruhe House of Young Scientists (KHYS) for financial support.es_ES
dc.subjectOrganic photovoltaices_ES
dc.subjectDrying processes_ES
dc.subjectGrazing incidenceX-raydiffraction(GIXD)es_ES
dc.subjectKnife coatinges_ES
dc.titleInvestigation of non-halogenated solvent mixtures for high throughput fabrication of polymer-fullerene solar cellses_ES
dc.description.peerreviewedPeer reviewedes_ES
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