In light of the ongoing transition from non-renewable to renewable energy sources, organic and hybrid solar cells have been studied due to their cost-efficiency and the smaller environmental impact. The current work is aiming for the establishment of ionic liquid precursors (ILPs) for the synthesis of complex metal chalcogenides. In organic photovoltaic systems these can then be used, e.g., as the active layers due to them acting as additional p-type semiconductors. The major difference to more conventional approaches is that the ILP not only acts as a metal source but also as a morphology directing template and as a stabilizer for the resulting nanoparticles. The general approach is using metal-containing ionic liquids, where the metal is an integral part of the IL anion as the metal source and to generate mixed metal chalcogenides directly from these complex precursors.
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