淡江大學機構典藏:Item 987654321/117071
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    Title: A New Cadmium-Based Pb2Cd3(PO4)(2)(P2O7) with Two Types of Isolated P-O Groups
    Authors: Wenqiang Chen;Qun Jing;Qiaoqiao Zhang;Ming-Hsien Lee;Xuefang Lu;Ping Wei;Zhaohui Chen
    Keywords: Lead cadmium phosphate;Structure elucidation;Mixed P–O groups;Optical properties
    Date: 2019-01-24
    Issue Date: 2019-09-21 12:10:14 (UTC+8)
    Publisher: Wiley
    Abstract: Introduction transition metal with d10 electrons and lone pair cations with large radius into phosphate systems are helpful to get new crystal structure configuration. Guided by the above method, the first lead cadmium phosphate, Pb2Cd3(PO4)2(P2O7), was synthesized. Pb2Cd3(PO4)2(P2O7) features a three‐dimensional (3D) structure, in which Pb(1)2O8 dimer and Pb(2)O5 polyhedra are filled between the two‐dimensional (2D) layers, which are composed of unique [Cd6P8O30] groups. In the PbIIMIIPO (MII = without or divalent metal ions) systems, the title compound is the first phosphate containing two different P–O groups simultaneously. The ratios of cation/phosphorus (C/P) and polymerization modes of P–O anions have a close relationship by many structural comparisons. Thermal analysis shows that Pb2Cd3(PO4)2(P2O7) melts congruently and is thermally stable. In addition, the UV/Vis‐IR diffuse reflectance spectrum and infrared (IR) spectrum have been reported. The relationship between electronic structure and optical properties was clarified by first‐principles studies.
    Relation: European journal of inorganic chemistry 2019(9), p.1273-1278
    DOI: 10.1002/ejic.201900002
    Appears in Collections:[Graduate Institute & Department of Physics] Journal Article

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