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XPS studies of γ-Al2O3-supported molybdenum complexes

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Abstract

XPS studies of molybdenum state in individual and Al2O3-supported complexes MoO2 (C5H7O2)2, (N2H5)2[MoO4(C2O4)2(H2O)2], (N2H5)2[Mo2O4(OH)4(H2O)2] and (NH4)2[Mo3O4(C2O4)3(H2O)3] showed that when its oxidation state changes by unity, BE Mo 3d5/2 in individual complexes changes by about 1 eV, whereas in surface compounds its change equals about ∼0.6 eV.

Abstract

Методом РФЭ-спектроскопии изучено состояние молибдена в индивидуальных и нанесенных на Al2O3 комплексах MoO2 (C5H7O2)2, (N2H5)2[Mo2O4(C2O4)2(H2O)2], (N2H5)2[Mo2O4(OH)4(H2O)2] и (NH4)2[Mo3O4(C2O4)3(H2O)3]. Показано, что при изменении степени окисления на единицу ECB Mo 3d5/2в индивидуальных комплексах изменяется на ∼1 эВ, а в поверхностных соединениях на ∼0,6 эВ.

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Authors and Affiliations

  1. Institute of Catalysis, 630090, Novosibirsk, USSR

    O. V. Klimov, E. A. Krivoshchekova, A. V. Kalinkin & A. N. Startsev

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  1. O. V. Klimov
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  2. E. A. Krivoshchekova
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  3. A. V. Kalinkin
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  4. A. N. Startsev
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Klimov, O.V., Krivoshchekova, E.A., Kalinkin, A.V. et al. XPS studies of γ-Al2O3-supported molybdenum complexes. React Kinet Catal Lett 43, 301–305 (1991). https://doi.org/10.1007/BF02064689

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  • DOI: https://doi.org/10.1007/BF02064689

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