Synthesis, structure, and photoluminescence property of a new layered zirconium phosphate |Co (dien )2|[Zr4H8P5O26]·3H2O
2007
A new layered zirconium phosphate |Co(dien)2|[Zr4H8P5O26]·3H2O (denoted ZrPO-CJ37) has been synthesized hydrothermally by using a racemic mixture of a chiral cobaltammine complex Co(dien)2Cl3 as the template. Its structure is determined by single-crystal X-ray diffraction analysis and further characterized by X-ray powder diffraction, inductively coupled plasma, thermogravimetric, UV−vis, and photoluminescence analyses. The inorganic layer of ZrPO-CJ37 is built up from the linkage of Zr-centered octahedra and P-centered tetrahedra via vertex oxygen atoms forming a 4.6-net sheet. Its structure features the edge-sharing chains of Zr(OM)6 (M = P, H) octahedra. The cobaltammine complex cations are located in the interlayer region and interact with the host network through H bonds. ZrPO-CJ37 exhibits interesting photoluminescence in the UV−vis spectral region. The edge-sharing chains of Zr(OM)6 octahedra in the inorganic layer might be responsible for this unusual photoluminescence.
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