The Formation of Perovskite during the Combustion of an Energy-rich Glycine–Nitrate Precursor Научная публикация
Журнал |
Materials
ISSN: 1996-1944 |
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Вых. Данные | Год: 2020, Том: 13, Номер: 22, Номер статьи : 5091, Страниц : 18 DOI: 10.3390/ma13225091 | ||
Ключевые слова | perovskite; solution combustion synthesis; volume combustion synthesis; self-propagating high-temperature synthesis; glycine | ||
Авторы |
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Организации |
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Информация о финансировании (1)
1 | Министерство науки и высшего образования Российской Федерации (с 15 мая 2018) | 075-15-2020-781 |
Реферат:
The effect of different regimes of combustion of glycine–nitrate precursors on the formation of perovskite phases (LaMnO3 and LaCrO3) without additional heat treatment was studied. The following three combustion regimes were compared: the traditional solution combustion synthesis (SCS), volume combustion synthesis (VCS) using a powdered precursor, and self-propagating high-temperature synthesis (SHS) using a precursor pellet. The products of combustion were studied using a series of physicochemical methods (attenuated total reflection infrared spectroscopy (ATR FTIR), X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), and thermal analysis). SHS was found to be the most productive regime for the formation of perovskite because of its ability to develop high temperatures in the reaction zone, which led to a reduced content of the thermally stable lanthanum carbonate impurities and to an increased yield and crystallite size of the perovskite phase. The reasons for the better crystallinity and purity of LaCrO3 as compared with LaMnO3 is also discussed, namely the low temperatures of the onset of the thermolysis, the fast rate of combustion, and the favorable thermodynamics for the achievement of high temperatures in the reaction zone
Библиографическая ссылка:
Komova O.V.
, Mukha S.A.
, Ozerova A.M.
, Odegova G.V.
, Simagina V.I.
, Bulavchenko O.A.
, Ishchenko A.V.
, Netskina O.V.
The Formation of Perovskite during the Combustion of an Energy-rich Glycine–Nitrate Precursor
Materials. 2020. V.13. N22. 5091 :1-18. DOI: 10.3390/ma13225091 WOS Scopus РИНЦ CAPlus PMID OpenAlex
The Formation of Perovskite during the Combustion of an Energy-rich Glycine–Nitrate Precursor
Materials. 2020. V.13. N22. 5091 :1-18. DOI: 10.3390/ma13225091 WOS Scopus РИНЦ CAPlus PMID OpenAlex
Файлы:
Полный текст от издателя
Даты:
Поступила в редакцию: | 8 окт. 2020 г. |
Принята к публикации: | 9 нояб. 2020 г. |
Опубликована в печати: | 11 нояб. 2020 г. |
Опубликована online: | 11 нояб. 2020 г. |
Идентификаторы БД:
Web of science: | WOS:000594880400001 |
Scopus: | 2-s2.0-85095932174 |
РИНЦ: | 45192213 |
Chemical Abstracts: | 2020:2488391 |
PMID (PubMed): | 33187295 |
OpenAlex: | W3099812554 |