6 Materialchemie
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Quaternary semiconductor nanocrystals like AgInS2-ZnS solid solution quantum dots (QDs) are a highly promising material for material science and biomedical applications due to their tunable photoluminescence (PL), their high quantum yields (QY), and their low cytotoxicity1. A red shift of the PL into the NIR and SWIR region could further increase their application potential. Copper doping has been proven to be a suitable approach for bathochromically shifting the PL of QDs2. The synthesis of copper doped AgInS2-ZnS QDs from a single-source-precursor should enable an easily scalable synthesis with high reproducibility.