Interaction between carbon oxides, hydrogen and Fe2O3 and An + 1FenO3n + 1 (A = Gd, Sr, n = 1, 2, …, ∞)
- Authors: Sheshko T.F.1, Serov Y.M.1, Kryuchkova T.A.1, Khairullina I.A.1, Chislova I.V.2, Zvereva I.A.2
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Affiliations:
- People’s Friendship University of Russia
- St. Petersburg State University
- Issue: Vol 90, No 6 (2016)
- Pages: 1137-1142
- Section: Chemical Kinetics and Catalysis
- URL: https://journals.rcsi.science/0036-0244/article/view/168285
- DOI: https://doi.org/10.1134/S0036024416060236
- ID: 168285
Cite item
Abstract
The interaction between carbon oxides and hydrogen and surfaces of iron(III) oxide and An + 1FenO3n + 1 (where A = Gd, Sr, and n = 1, 2, …, ∞ is the number of perovskite layers) complex oxides is studied for the first time by means of thermal programmed desorption. It is shown that carbon oxides are adsorbed in molecular form with the formation of carbonate–carboxylate complexes, and in dissociative form. The ratios of the adsorption forms of both oxides are determined by the structure of ferrites, the number of perovskite layers, and the valence state and coordinative saturation of iron. The presence of weakly and strongly bonded hydrogen forms is established, and it is suggested that hydrogen dissolves in the bulk of a perovskite.
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About the authors
T. F. Sheshko
People’s Friendship University of Russia
Author for correspondence.
Email: sheshko_tf@pfur.ru
Russian Federation, Moscow, 117198
Yu. M. Serov
People’s Friendship University of Russia
Email: sheshko_tf@pfur.ru
Russian Federation, Moscow, 117198
T. A. Kryuchkova
People’s Friendship University of Russia
Email: sheshko_tf@pfur.ru
Russian Federation, Moscow, 117198
I. A. Khairullina
People’s Friendship University of Russia
Email: sheshko_tf@pfur.ru
Russian Federation, Moscow, 117198
I. V. Chislova
St. Petersburg State University
Email: sheshko_tf@pfur.ru
Russian Federation, St. Petersburg, 119034
I. A. Zvereva
St. Petersburg State University
Email: sheshko_tf@pfur.ru
Russian Federation, St. Petersburg, 119034