3 years ago

Local Environment of Terbium(III) Ions in Layered Nanocrystalline Zirconium(IV) Phosphonate–Phosphate Ion Exchange Materials

Local Environment of Terbium(III) Ions in Layered Nanocrystalline Zirconium(IV) Phosphonate–Phosphate Ion Exchange Materials
Simon J. L. Billinge, Maxwell W. Terban, Abraham Clearfield, Rita Silbernagel, Chenyang Shi
Structures of Zr phosphate-phosphonate unconventional metal organic frameworks were determined using pair distribution function analysis. They are found to form nanocrystalline layers, with a 4−5 nm intralayer domain size. The stacking is highly disordered for the hybrids but becomes more ordered as the phosphate concentration goes to zero. The intercalation environment of Tb ions was extracted and shown to resemble the local ion coordination in Scheelite-type Tb phosphate.

Publisher URL: http://dx.doi.org/10.1021/acs.inorgchem.7b00666

DOI: 10.1021/acs.inorgchem.7b00666

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