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Post‐synthetic shape‐transformation processes provide access to colloidal nanocrystal morphologies that are unattainable by direct synthetic routes. Herein, we report our finding about the ligand‐induced fragmentation of CsPbBr3 perovskite nanowires (NWs) into low aspect‐ratio CsPbX3 (X=Cl, Br and I) nanorods (NRs) during halide ion exchange reaction with PbX2–ligand solution. The shape transformation...
Die Synthese kolloidaler Nanokristalle sowie die Herstellung von Halbleiter‐Nanodrähten (NWs) sind ein wichtiger Aspekt der aktuellen Forschung. Wir berichten über eine einstufige, Liganden‐kontrollierte Synthese von kristallinen CsPbBr3‐Perowskit‐NWs direkt aus den Vorläuferpulvern. Untersuchungen des Reaktionsprozesses sowie der Entstehung der Kristallmorphologie zeigen, dass sich die eingangs hergestellten...
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