Formation of Supported Intermetallic Nanoparticles in the Pd-Zn/α-Al2O3 Catalyst

被引：17

作者：

Mashkovsky, I. S. ^{[1
]}

Markov, P. V. ^{[1
]}

Bragina, G. O. ^{[1
]}

Baeva, G. N. ^{[1
]}

Bukhtiyarov, A. V. ^{[2
]}

Prosvirin, I. P. ^{[2
]}

Bukhtiyarov, V. I. ^{[2
]}

Stakheev, A. Yu. ^{[1
]}

机构：

[1] Russian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, Russia

[2] Russian Acad Sci, Boreskov Inst Catalysis, Siberian Branch, Novosibirsk 630090, Russia

来源：

KINETICS AND CATALYSIS | 2017年 / 58卷 / 04期

基金：

俄罗斯科学基金会;

关键词：

Pd-Zn; intermetallic compound; X-ray diffraction; electron microscopy; XPS; SELECTIVE HYDROGENATION; PDZN ALLOY; ELECTRON-MICROSCOPY; ORGANIC-SYNTHESIS; CHEMICAL-SYSTEMS; SURFACE ALLOYS; PARTICLE-SIZE; METHANOL; STEAM; PD/ZNO;

D O I：

10.1134/S0023158417040127

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The structure of the Pd-Zn/alpha-Al2O3 catalyst, which was prepared by a joint impregnation method, was studied. According to XRD analysis data, supported intermetallic Pd-Zn particles were formed in a temperature range of 200-600A degrees C. At 600A degrees C, the crystal lattice of substitutional solid solution based on Pd (FCC) was finally rearranged into the tetragonal lattice of Pd-Zn. A shift of the Pd3d(5/2) line in the XPS spectrum indicated the formation of the Pd-Zn intermetallic compound.

引用

页码：471 / 479

页数：9

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