Получение и фотокаталитические свойства допированного рутением диоксида титана

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Abstract

Разработана методика получения фотокатализаторов на основе допированного рутением диоксида титана при использовании рутенийсилоксанового олигомера и нанокристаллического диоксида титана. Исследовано влияние допирования рутением (0,1–1,0 мас.%) на фотокаталитическую активность диоксида титана в УФ- и видимом свете. Деградация красителя кристаллического фиолетового составляет 92% при УФ-воздействии в течение 2 ч для образца 0,5% Ru/TiO2, массовое содержание рутения в котором составило 0,47%.

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Алексей Александрович Садовников

Институт нефтехимического синтеза им. А.В. Топчиева РАН; Институт общей и неорганической химии им. Н.С. Курнакова РАН

Author for correspondence.
Email: sadovnikov@ips.ac.ru
ORCID iD: 0000-0002-3574-0039
Russian Federation, Москва; Москва

Евгений Русланович Наранов

Институт нефтехимического синтеза им. А.В. Топчиева РАН

Email: sadovnikov@ips.ac.ru
ORCID iD: 0000-0002-3815-9565

к.х.н.

Russian Federation, Москва

Владислав Витальевич Судьин

Институт металлургии и материаловедения им. А.А. Байкова РАН

Email: sadovnikov@ips.ac.ru
ORCID iD: 0000-0001-9091-855X

к.ф.-м.н.

Russian Federation, Москва

Александр Николаевич Тарасенков

Институт синтетических полимерных материалов им. Н.С. Ениколопова РАН

Email: sadovnikov@ips.ac.ru
ORCID iD: 0000-0003-0723-2771

к.х.н.

Russian Federation, Москва

Азиз Мансурович Музафаров

Институт синтетических полимерных материалов им. Н.С. Ениколопова РАН; Институт элементоорганических соединений им. А.Н. Несмеянова РАН

Email: sadovnikov@ips.ac.ru
ORCID iD: 0000-0002-3050-3253

д.х.н., академик РАН

Russian Federation, Москва; Москва

Антон Львович Максимов

Институт нефтехимического синтеза им. А.В. Топчиева РАН

Email: sadovnikov@ips.ac.ru
ORCID iD: 0000-0001-9297-4950

д.х.н., член-корр. РАН

Москва

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Supplementary files

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2. Fig. 1. Diffraction patterns of TiO2 samples obtained by hydrothermal-microwave treatment and using ruthenium siloxane oligomer and ruthenium(III) chloride.

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3. Fig. 2. Scheme for obtaining ruthenium siloxane Ru(Me)3-0.

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4. Fig. 3. 1H NMR spectrum of ruthenium siloxane Ru(Me)3-0.

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5. Fig. 4. Scheme of condensation of ruthenium siloxane Ru(Me)3-0 and its addition to a hydroxyl-containing substrate on the surface of titanium dioxide.

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6. Fig. 5. Absorption spectra and reconstructed spectra in Tauc coordinates of the initial titanium dioxide, ruthenium siloxane oligomer and their interaction product.

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7. Fig. 6. SEM images of samples: (a) 0.1% Ru/TiO2, (b) 0.5% Ru/TiO2, (c) 1.0% Ru/TiO2.

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8. Fig. 7. XPS spectra: (a) C1s + Ru3d, (b) Si2p and Cl2p, (c) O1s of 0.5% Ru/TiO2 and 0.5% Ru(Cl)TiO2 catalysts, respectively.

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9. Fig. 8. TEM images: (a) 0.5% Ru/TiO2 sample, (b) 0.5% Ru(Cl)TiO2 sample.

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10. Fig. 9. Comparison of the rate of photocatalytic decomposition of crystal violet dye in the presence of different titanium dioxide samples: (a) under UV irradiation, (b) under visible light irradiation.

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