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Studying effect of titania phase composition on the photocatalytic activity in ammonia degradation
https://doi.org/10.18412/1816-0387-2026-3-95-106
Abstract
In this work titania with different ratio of anatase and rutile was synthesized. The phase composition of the samples was varied by changing temperature of calcination. The physico-chemical properties of the samples were studied by X-ray diffraction, diffuse reflectance spectroscopy, transmission electron microscopy, energy-dispersive X-ray analysis, cyclic voltammetry, on-off curves. The catalytic activity of the samples was examined in the photocatalytic ammonia decomposition. It was shown that the catalytic activity of hydrogen formation increased with the anatase content. The highest value of the catalytic activity was 324 μmol h-1g-1.
Supporting agencies: The photocatalysts were studied using SDO, TEM, and SEM methods using equipment from the National Center for Catalyst Research. The study was supported by a grant from the Russian Science Foundation (project no. 25-23-20073, https://rscf.ru/project/25-23-20073/) and the Government of the Novosibirsk Region (agreement no. 30-2025-000954 dated April 18, 2025).
About the Authors
D. V. Markovskaya
Federal Research Center Boreskov Institute of Catalysis, Novosibirsk
Russian Federation
Russian Federation
V. A. Lomakina
Federal Research Center Boreskov Institute of Catalysis, Novosibirsk
Russian Federation
Russian Federation
D. D. Mishchenko
Federal Research Center Boreskov Institute of Catalysis, Novosibirsk; Center SKIF of Boreskov Institute of Catalysis, Kol’tsovo
Russian Federation
Russian Federation
E. Yu. Gerasimov
Federal Research Center Boreskov Institute of Catalysis, Novosibirsk
Russian Federation
Russian Federation
A. V. Zhurenok
Federal Research Center Boreskov Institute of Catalysis, Novosibirsk
Russian Federation
Russian Federation
Е. А. Kozlova
Federal Research Center Boreskov Institute of Catalysis, Novosibirsk
Russian Federation
Russian Federation
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Review
For citations:
Markovskaya D.V., Lomakina V.A., Mishchenko D.D., Gerasimov E.Yu., Zhurenok A.V., Kozlova Е.А. Studying effect of titania phase composition on the photocatalytic activity in ammonia degradation. Kataliz v promyshlennosti. 2026;26(3):95-106. (In Russ.) https://doi.org/10.18412/1816-0387-2026-3-95-106
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