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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">zhps</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал прикладной спектроскопии</journal-title><trans-title-group xml:lang="en"><trans-title>Zhurnal Prikladnoii Spektroskopii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0514-7506</issn><publisher><publisher-name>B. I. Stepanov Institute of Physics of the National Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">zhps-1833</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>СПЕКТРОСКОПИЯ ТВЕРДЫХ ТЕЛ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SPECTROSCOPY OF SOLIDS</subject></subj-group></article-categories><title-group><article-title>Исследование механизма формирования фотоаккумулирующих гетерооксидных композитов на основе диоксида титана с использованием ИК-спектроскопии</article-title><trans-title-group xml:lang="en"><trans-title>Study of the Mechanism of Formation of Photoaccumulating Titania-Based Heterooxide Composites Using IR Spectroscopy</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2337-0077</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Свиридова</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sviridova</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><email xlink:type="simple">sviridova@bsu.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Садовская</surname><given-names>Л. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Sadovskaya</surname><given-names>L. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><email xlink:type="simple">lyubov.sadovskaya.93@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Агабеков</surname><given-names>В. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Agabekov</surname><given-names>V. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><email xlink:type="simple">agabekov@ichnm.by</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Свиридов</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sviridov</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><email xlink:type="simple">sviridov@bsu.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусский государственный университет</institution></aff><aff xml:lang="en"><institution>Belarusian State University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт химии новых материалов НАН Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of Chemistry of New Materials of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>26</day><month>09</month><year>2025</year></pub-date><volume>92</volume><issue>5</issue><fpage>576</fpage><lpage>581</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Свиридова Т.В., Садовская Л.Ю., Агабеков В.Е., Свиридов Д.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Свиридова Т.В., Садовская Л.Ю., Агабеков В.Е., Свиридов Д.В.</copyright-holder><copyright-holder xml:lang="en">Sviridova T.V., Sadovskaya L.Y., Agabekov V.E., Sviridov D.V.</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://zhps.ejournal.by/jour/article/view/1833">https://zhps.ejournal.by/jour/article/view/1833</self-uri><abstract><p>Исследование пленочных гетерооксидных композитов TiO2-V2O5 на основе соосажденных коллоидов TiO2 и V2O5, а также частиц TiO2 с химически осажденной оболочкой из V2O5 и продуктов термического разложения ванадата аммония в присутствии TiO2 выполнено с использованием ИКспектроскопии и фотокаталитических методов. Показано, что образующаяся в ходе пиролитического синтеза неупорядоченная фаза V2O5 создает тесные гетероконтакты с частицами диоксида титана, обеспечивающие благоприятные условия для разделения зарядов, и одновременно делает возможным эффективное накопление фотоиндуцированного заряда.</p></abstract><trans-abstract xml:lang="en"><p>The IR spectroscopic and photocatalytic studies of thin-film heterooxide composites TiO2-V2O5 obtained by codeposition of TiO2 and V2O5 colloids, chemical deposition of V2O5 shell over TiO2 particles, and thermal decomposition of ammonium vanadate in the presence of TiO2 particles have shown that the disordered V2O5 phase produced via pyrolytic synthetic route forms close heterocontacts with titania particles thus facilitating charge separation, while simultaneously ensuring favorable conditions for accumulation of the photoinduced charges. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>гетерооксидные композиты</kwd><kwd>диоксид титана</kwd><kwd>оксид ванадия</kwd><kwd>ИК-спектроскопия</kwd><kwd>наведенная окислительная активность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>heterooxide composites</kwd><kwd>titania</kwd><kwd>vanadium oxide</kwd><kwd>IR spectroscopy</kwd><kwd>induced oxidation activity</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Белорусского республиканского фонда фундаментальных исследований (Грант № Х23У-013)</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">A. 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