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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">firesmi</journal-id><journal-title-group><journal-title xml:lang="ru">Пожаровзрывобезопасность/Fire and Explosion Safety</journal-title><trans-title-group xml:lang="en"><trans-title>Pozharovzryvobezopasnost/Fire and Explosion Safety</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0869-7493</issn><issn pub-type="epub">2587-6201</issn><publisher><publisher-name>ФГБОУ ВО «Национальный исследовательский Московский государственный строительный университет»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22227/0869-7493.2025.34.04.5-13</article-id><article-id custom-type="elpub" pub-id-type="custom">firesmi-1524</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>БЕЗОПАСНОСТЬ ВЕЩЕСТВ И МАТЕРИАЛОВ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SAFETY OF SUBSTANCES AND MATERIALS</subject></subj-group></article-categories><title-group><article-title>Исследование влияния ультразвука на синтез нанотрубок TiO2 гидротермальным методом</article-title><trans-title-group xml:lang="en"><trans-title>Investigation of the influence of ultrasound on the synthesis of TiO2 nanotubes by the hydrothermal method</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0000-0660-0144</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ван</surname><given-names>Зунг Ву</given-names></name><name name-style="western" xml:lang="en"><surname>Van</surname><given-names>Zung Vu</given-names></name></name-alternatives><bio xml:lang="ru"><p>ВАН Зунг Ву, аспирант кафедры «Технология конструкционных материалов»</p><p>125319, г. Москва, Ленинградский пр-т, 64</p></bio><bio xml:lang="en"><p>Zung Vu VAN, postgraduate student of the Department “Technology of structural materials”</p><p>Leningradskiy Prospekt, 64, Moscow, 125319</p></bio><email xlink:type="simple">vandungph2605@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-4597-7567</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хю</surname><given-names>Бач Нгуен</given-names></name><name name-style="western" xml:lang="en"><surname>Huy</surname><given-names>Bach Nguyen</given-names></name></name-alternatives><bio xml:lang="ru"><p>ХЮ Бач Нгуен, студент факультета «Энерго-экологический»</p><p>125319, г. Москва, Ленинградский пр-т, 64</p></bio><bio xml:lang="en"><p>Bach Nguyen HUY, student of the Faculty of Energy and Eco­logy</p><p> Leningradskiy Prospekt, 64, Moscow, 125319</p></bio><email xlink:type="simple">huybach484@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-1443-7584</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Нигметзянов</surname><given-names>Р. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Nigmetzyanov</surname><given-names>R. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>НИГМЕТЗЯНОВ Равиль Исламович, к.т.н., доцент кафедры «Технология конструкционных материалов»</p><p> 125319, г. Москва, Ленинградский пр-т, 64</p></bio><bio xml:lang="en"><p>Ravil I. NIGMETZYANOV, Cand. Sci. (Eng.), Associate Professor, Department of “Technology of Structural Materials”</p><p>Leningradskiy Prospekt, 64, Moscow, 125319</p></bio><email xlink:type="simple">lefmo@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский автомобильно-дорожный государственный технический университет (МАДИ)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow Automobile and Road Construction State Technical University (MADI)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>29</day><month>08</month><year>2025</year></pub-date><volume>34</volume><issue>4</issue><fpage>5</fpage><lpage>13</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ван З., Хю Б., Нигметзянов Р.И., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Ван З., Хю Б., Нигметзянов Р.И.</copyright-holder><copyright-holder xml:lang="en">Van Z., Huy B., Nigmetzyanov R.I.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.fire-smi.ru/jour/article/view/1524">https://www.fire-smi.ru/jour/article/view/1524</self-uri><abstract><sec><title>Введение</title><p>Введение. В данном исследовании нанотрубки TiO2 были синтезированы гидротермальным методом с предварительной ультразвуковой обработкой в течение двух часов для оценки роли ультразвука в формировании наноструктур. Гидротермальный процесс проводился в течение 4, 6, 8 и 10 ч для выявления изменения морфологии и кристаллических фаз.</p></sec><sec><title>Цель и задачи</title><p>Цель и задачи. Целью данного исследования была оптимизация ультразвуково-гидротермального метода синтеза нанотрубок TiO2 путем сокращения времени реакции без ухудшения морфологических и структурных характеристик.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Синтезированные образцы были изучены с использованием сканирующей электронной микроскопии (СЭМ) для анализа морфологии и размеров, а также с помощью рамановской спектроскопии, инфракрасной спектроскопии с преобразованием Фурье (Фурье-ИК) и рентгеноструктурного анализа (РСА)для определения фазового состава и кристаллической структуры.</p></sec><sec><title>Результаты и обсуждение</title><p>Результаты и обсуждение. Использование ультразвуковой предварительной обработки показало, что полученные нанотрубки имели длину от 808 до 1226 нм и диаметр от 172 до 242 нм. Была зафиксирована последовательная фазовая трансформация: начальная фаза H2TiO3 переходила в промежуточные титанатные фазы (H2Ti3O7 и H2Ti6O13), а затем при увеличении времени реакции происходило образование рутила. Фаза анатаза присутствовала лишь в следовых количествах.</p></sec><sec><title>Выводы</title><p>Выводы. Настоящее исследование подчеркивает положительное влияние ультразвуковой предварительной обработки на формирование структуры нанотрубок TiO2 и представляет собой научную основу для оптимизации параметров процесса при получении наноструктурированных материалов на основе TiO2.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. In this study, the synthesis of TiO2 nanotubes was carried out via the hydrothermal method, following two hours of ultrasonic pretreatment to evaluate the role of ultrasound in nanostructure formation. The hydrothermal process was conducted for 4, 6, 8, and 10 hours to investigate changes in morphology and crystalline phases.</p><p>Research aims and objectives. This study aimed to optimize the ultrasonic-hydrothermal method for synthesizing TiO2 nanotubes by reducing the reaction time without compromising the morphological and structural characteristics.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The synthesized specimens underwent characterization by scanning electron micro­scopy (SEM) for morphological and dimensional analysis, while Raman spectroscopy, Fourier-transform infrared spectroscopy (FTIR), and X-ray diffraction (XRD) served to identify phase composition and crystal structure.</p></sec><sec><title>Results and discussion</title><p>Results and discussion. The results indicated that the obtained nanotubes exhibited lengths ranging from approxi­mately 808 to 1,226 nm and diameters from 172 to 242 nm. A sequential phase transformation occurred, beginning with the initial H2TiO3 phase, progressing through intermediate titanate phases (H2Ti3O7 and H2Ti6O13), and culminating in rutile crystallization at extended reaction times. The anatase phase appeared only in trace amounts throughout the process.</p></sec><sec><title>Conclusions</title><p>Conclusions. This study highlights the positive impact of ultrasonic pretreatment on the development of TiO2 nanotube structures and provides a scientific basis for optimizing process parameters in the fabrication of nanostructured TiO2 materials.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>ультразвуковая обработка</kwd><kwd>гидротермальный синтез</kwd><kwd>структура нанотрубок TiO2</kwd></kwd-group><kwd-group xml:lang="en"><kwd>ultrasonic treatment</kwd><kwd>hydrothermal synthesis</kwd><kwd>TiO2 nanotube structure</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Wang B., Xue D., Shi Y., Xue F. Titania 1D nanostructured materials: synthesis, properties and applications // Nanorods, nanotubes and nanomaterials research progress. 2008. 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