Synthesis of Ceria Nanoparticles in Pores of SBA-15: Pore Size Effect and Influence of Citric Acid Addition Научная публикация
| Журнал |
Microporous and Mesoporous Materials
ISSN: 1387-1811 , E-ISSN: 1873-3093 |
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| Вых. Данные | Год: 2019, Том: 277, Страницы: 10-16 Страниц : 7 DOI: 10.1016/j.micromeso.2018.10.013 | ||||||
| Ключевые слова | Ceria; SBA-15; Citric acid addition; Small particles; Redox properties of ceria | ||||||
| Авторы |
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| Организации |
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Информация о финансировании (2)
| 1 | Министерство образования и науки Российской Федерации | МК-2015.2017.3 |
| 2 | Министерство образования и науки Российской Федерации |
Реферат:
The influence of porous structure and addition of citric acid on the formation of ceria particles inside the SBA-15 pores is studied using nitrogen adsorption-desorption at −196 °C, XRD, UV-visible spectroscopy, TEM and TPR-H2 methods. The use of pores of SBA-15 as nanoreactors provides the formation of CeO2 nanoparticles with sizes below 6 nm. According to XRD and TEM results, the addition of citric acid during the impregnation allows obtaining the CeO2 particles with sizes about 3 nm, while the agglomerates of large СеО2 particles are formed on the surface of the SBA-15, when citric acid is not added. Small sizes of ceria particles (3 nm) cause an enhanced reducibility (TPR-H2), high defectiveness of the particles and red shift in the UV-vis adsorption spectra. These properties may improve the catalytic and photocatalytic activity of the CeO2/SBA-15-based catalysts in deep and selective oxidation of organic compounds.
Библиографическая ссылка:
Mikheeva N.N.
, Zaikovskii V.I.
, Mamontov G.V.
Synthesis of Ceria Nanoparticles in Pores of SBA-15: Pore Size Effect and Influence of Citric Acid Addition
Microporous and Mesoporous Materials. 2019. V.277. P.10-16. DOI: 10.1016/j.micromeso.2018.10.013 WOS Scopus РИНЦ CAPlusCA OpenAlex
Synthesis of Ceria Nanoparticles in Pores of SBA-15: Pore Size Effect and Influence of Citric Acid Addition
Microporous and Mesoporous Materials. 2019. V.277. P.10-16. DOI: 10.1016/j.micromeso.2018.10.013 WOS Scopus РИНЦ CAPlusCA OpenAlex
Даты:
| Поступила в редакцию: | 27 июн. 2018 г. |
| Принята к публикации: | 15 окт. 2018 г. |
| Опубликована online: | 16 окт. 2018 г. |
| Опубликована в печати: | 15 мар. 2019 г. |
Идентификаторы БД:
| Web of science: | WOS:000457662500002 |
| Scopus: | 2-s2.0-85055121686 |
| РИНЦ: | 38634064 |
| Chemical Abstracts: | 2018:1996008 |
| Chemical Abstracts (print): | 169:498081 |
| OpenAlex: | W2897524821 |