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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Syntheses, structures and properties of metal phosphates Pb2Mg(PO4)(2), Pb4Zn8(PO4)(8) and alpha-BaZn2(PO4)(2)
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Syntheses, structures and properties of metal phosphates Pb2Mg(PO4)(2), Pb4Zn8(PO4)(8) and alpha-BaZn2(PO4)(2)

机译:金属磷酸盐Pb2mg(PO4)(2),PB4ZN8(PO4)(8)和α-BAZN2(PO4)(2)的合成,结构和性质

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摘要

Pb2Mg(PO4)(2), Pb4Zn8(PO4)(8) and alpha-BaZn2(PO4)(2) have been synthesized by the standard solid-state reaction and their structures were determined by single crystal X-ray diffraction for the first time. Pb2Mg(PO4)(2), Pb4Zn8(PO4)(8) and alpha-BaZn2(PO4)(2) crystallize in the monoclinic crystal system, P2(1)/c, C2/c and the trigonal crystal system, P (3) over bar m1, respectively. The structure of Pb2Mg(PO4)(2) possesses a three-dimensional framework consisting of MgO6 octahedra and PO4 tetrahedra and the Pb2+ cations reside in the [Mg6P6O12] tunnels. Pb4Zn8(PO4)(8) and alpha-BaZn2(PO4)(2) are two-dimensional layered structures with [Zn4P4O16](infinity) layers for Pb4Zn8(PO4)(8) and [Zn3P3O12](infinity) honeycomb double layers for alpha-BaZn2(PO4)(2). And in the structure of Pb4Zn8(PO4)(8), there are four different Zn-P-O layers, which is reported for the first time in zinc phosphates. In addition, thermal property analysis, and UV-Vis-NIR diffuse reflectance and infrared spectroscopy were also performed. First-principles theoretical studies were also conducted to aid the understanding of their band structures and densities of states.
机译:Pb2Mg(PO 4)(2),Pb4Zn8(PO 4)(8)和α-BaZn2(PO 4)(2)已通过标准的固相反应法合成并通过单晶X射线衍射对于第一确定了它们的结构时间。 Pb2Mg(PO 4)(2),Pb4Zn8(PO 4)(8)和α-BaZn2(PO 4)在单斜晶系(2)结晶,P2(1)/ C,C2 / c与三方晶系,P( 3)在分别杆M1,。 Pb2Mg(PO 4)(2)的结构具有一个由MgO6八面体和四面体PO4和Pb2 +的阳离子的三维骨架驻留在[Mg6P6O12]隧道。 Pb4Zn8(PO 4)(8)和α-BaZn2(PO 4)(2)与[Zn4P4O16](无穷大),用于Pb4Zn8(PO 4)(8)和[Zn3P3O12]层(无穷大)蜂窝双层二维层状结构的α-BaZn2(PO 4)(2)。和在Pb4Zn8(PO 4)(8)的结构中,有四个不同的Zn-P-O层,其报道了在磷酸锌的第一次。此外,热性能分析,和紫外 - 可见 - 近红外漫反射和红外光谱也进行。还进行了第一性原理的理论研究,以帮助他们能带结构和态密度的了解。

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    Xinjiang Univ Inst Appl Chem Key Lab Adv Funct Mat Key Lab Energy Mat Chem Minist Educ Urumqi 830046 Xinjiang Peoples R China;

    Harbin Inst Technol Sch Chem &

    Chem Engn Harbin 150001 Heilongjiang Peoples R China;

    Xinjiang Univ Sch Phys Sci &

    Technol Urumqi 830046 Peoples R China;

    Xinjiang Prod Qual Supervis &

    Inspect Inst Techn Urumqi 830011 Peoples R China;

    Xinjiang Univ Inst Appl Chem Key Lab Adv Funct Mat Key Lab Energy Mat Chem Minist Educ Urumqi 830046 Xinjiang Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;无机化学;
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