| Autor: |
Takumi Kinoshita, Kanna Fukumoto, Hiroshi Segawa |
| Předmět: |
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| Zdroj: |
Acta Crystallographica Section E: Crystallographic Communications; Mar2023, Vol. 79 Issue 4, p402-405, 10p |
| Abstrakt: |
A mixture of PbBr2 and YbBr3ºnH2O in a dimethyl sulfoxide (DMSO) solution yielded single crystals of a lead halide perovskite precursor with ytterbium, bis[octakis(dimethyl sulfoxide)ytterbium(III)]pentabromidoplumbate(II) tribromide with dimethyl sulfoxide as co-crystallite, [Yb(C2H6OS)8][PbBr5]0.5- Br1.5º0.5C2H6OS. The complex ions PbBr53- and Yb(DMSO)83+ are present in the crystal together with three Br- ions and DMSO molecules. X-ray crystallography revealed that the Br- ions in YbBr3 are replaced by the solvent and bound to a PbII atom or remain free. The presence of PbBr53- units, which are molecular ions with a square-pyramidal structure, is also observed. These single crystals react with a caesium chloride solution, exhibiting near-infrared (NIR) luminescence by visible photoexcitation, suggesting the formation of Yb3+-doped lead halide perovskites (CsPbBr3-xClxºYb3+). [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
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