Double complex salts [Pd(NH3)4]3[Rh(NO2)6]2, [Pd(NH3)4]3[Rh(NO2)6]2•H2O as promising precursors to prepare Pd-Rh nanoalloys

被引：16
|
作者：
Rybinskaya, A. A. [1 ]
Plyusnin, P. E. [1 ,2 ]
Bykova, E. A. [1 ]
Gromilov, S. A. [1 ,2 ]
Shubin, Yu. V. [1 ,2 ]
Korenev, S. V. [1 ,2 ]
机构：
[1] Russian Acad Sci, AV Nikolaev Inst Inorgan Chem, Siberian Div, Novosibirsk, Russia
[2] Novosibirsk State Univ, Novosibirsk, Russia
来源：
JOURNAL OF STRUCTURAL CHEMISTRY | 2012年 / 53卷 / 03期
关键词：
rhodium; palladium; double complex salts; single crystal X-ray diffraction study; thermal analysis; nanoalloy; GOLD; NANOPARTICLES; CO;
D O I：
10.1134/S002247661203016X
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two new double complex salts [Pd(NH3)(4)](3)[Rh(NO2)(6)](2) (I) and [Pd(NH3)(4)](3)[Rh(NO2)(6)](2)center dot H2O (II) are synthesized and characterized. The techniques to produce one-phase residues of the salts are developed. The crystallographic data for I: a = 18.915(2) , V = 6767.4 (3), F-43c space group, Z = 8, d (x) = 2.548 g/cm(3); II: a = 21.160(6) , b = 8.085(7) , c = 21.363(4) , beta = 91.71(4)A degrees, V = 3661.1(6) (3), P2(1)/c space group, d (x) = 2.357 g/cm(3). Thermal properties of the obtained compounds in the hydrogen and helium atmosphere are studied. It is shown that the final product of their decomposition both in the inert and reducing atmosphere is a powder consisting of bimetallic nanosized particles (nanoalloy) of Pd0.59Rh0.41 (Fm-3m space group, a = 3.856(2) , crystallite size of 8-11 nm).
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页码：527 / 533
页数：7
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