Formation of supported intermetallic nanoparticles in the Pd–Zn/α-Al 2 O 3  catalyst

I. S. Mashkovsky; P. V. Markov; G. O. Bragina; G. N. Baeva; A. V. Bukhtiyarov; I. P. Prosvirin; V. I. Bukhtiyarov; A. Yu. Stakheev

doi:10.1134/S0023158417040127

Formation of supported intermetallic nanoparticles in the Pd–Zn/α-Al₂O₃ catalyst

Autores: 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.Y.¹
Afiliações:
1. Zelinsky Institute of Organic Chemistry
2. Boreskov Institute of Catalysis, Siberian Branch
Edição: Volume 58, Nº 4 (2017)
Páginas: 471-479
Seção: Article
URL: https://journals.rcsi.science/0023-1584/article/view/163186
DOI: https://doi.org/10.1134/S0023158417040127
ID: 163186

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The structure of the Pd–Zn/α-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 200–600°C. At 600°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.