A solution-phase synthesis of colloidally stable A2BF6 nanocrystals is reported for the first time, focusing on A+ = Cs+, NH4+ and B4+ = Zr4+. Handling hypertoxic HF is avoided by using NH4F and a low-boiling-point alcohol, representing the first synthesis of any A2BF6 nanocrystals without HF addition. The chemical incompatability of Zr4+ with other common fluoride sources is discussed.
E. Tzanetopoulos, J. Schwartz and D. R. Gamelin, Chem. Commun., 2023, 59, 5451 DOI: 10.1039/D3CC00374D
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