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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of Physical Chemistry A</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Physical Chemistry A</journal-title><trans-title-group xml:lang="ru"><trans-title>Журнал физической химии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0044-4537</issn><issn publication-format="electronic">3034-5537</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">685281</article-id><article-id pub-id-type="doi">10.31857/S0044453725020172</article-id><article-id pub-id-type="edn">DDBUGV</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>PHYSICAL CHEMISTRY OF DISPERSED SYSTEMS AND SURFACE PHENOMENA</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ФИЗИЧЕСКАЯ ХИМИЯ ДИСПЕРСНЫХ СИСТЕМ И ПОВЕРХНОСТНЫХ ЯВЛЕНИЙ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Rhodium electronic state in catalysts based on Rh/НZSM-5 for oxidative carbonylation of methane into acetic acid: effect of copper and zinc doping</article-title><trans-title-group xml:lang="ru"><trans-title>Электронное состояние родия в катализаторах окислительного карбонилирования метана в уксусную кислоту на основе Rh/НZSM-5: влияние добавок меди и цинка</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shilina</surname><given-names>M. I.</given-names></name><name xml:lang="ru"><surname>Шилина</surname><given-names>М. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio><p>Faculty of Chemistry</p></bio><email>batova.ti@ips.ac.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Khramov</surname><given-names>E. V.</given-names></name><name xml:lang="ru"><surname>Храмов</surname><given-names>Е. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>batova.ti@ips.ac.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Batova</surname><given-names>T. I.</given-names></name><name xml:lang="ru"><surname>Батова</surname><given-names>Т. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>batova.ti@ips.ac.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kolesnichenko</surname><given-names>N. V.</given-names></name><name xml:lang="ru"><surname>Колесниченко</surname><given-names>Н. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>batova.ti@ips.ac.ru</email><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Lomonosov Moscow State University</institution></aff><aff><institution xml:lang="ru">Московский государственный университет им. М. В. Ломоносова</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">National Research Center Kurchatov Institute</institution></aff><aff><institution xml:lang="ru">Национальный исследовательский центр “Курчатовский институт”</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Topchiev Institute of Petrochemical Synthesis</institution></aff><aff><institution xml:lang="ru">Институт нефтехимического синтеза им. А. В. Топчиева РАН</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-02-15" publication-format="electronic"><day>15</day><month>02</month><year>2025</year></pub-date><volume>99</volume><issue>2</issue><fpage>309</fpage><lpage>318</lpage><history><date date-type="received" iso-8601-date="2025-06-19"><day>19</day><month>06</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Российская академия наук</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/0044-4537/article/view/685281">https://journals.eco-vector.com/0044-4537/article/view/685281</self-uri><abstract xml:lang="en"><p>Diffuse reflectance infrared Fourier transform spectroscopy of adsorbed carbon monoxide is used along with X-ray absorption spectroscopy to study the effect a second alloying metal (Zn, Cu) has on the electronic state and local structure of rhodium on the surfaces of Rh/HZSM-5 zeolite catalyst. It is established that introducing copper and zinc helps improve the stability of rhodium toward aggregation (the formation of clusters) under conditions of the oxidative carbonylation of methane into acetic acid. Compared to monometallic catalyst Rh/HZSM-5, where single atom rodium sites are partially aggregated into clusters, the proportion of Rh° is halved in the case of Rh–Zn/HZSM-5, and Rh clustering does not occur in the case of Rh‒Cu/HZSM-5. The stabilizing effect of Cu is due to the interaction between copper and rhodium cations on the surface of zeolite.</p></abstract><trans-abstract xml:lang="ru"><p>Методами инфракрасной спектроскопия диффузного отражения адсорбированного монооксида углерода и рентгеновской абсорбционной спектроскопии исследовано влияние второго легирующего металла (Zn, Cu) на электронное состояние и локальную структуру родия на поверхности цеолитного катализатора Rh/НZSM-5. Установлено, что введение меди и цинка способствует повышению устойчивости родия к агрегации (образованию кластеров) в условиях реакции окислительного карбонилирования метана в уксусную кислоту. По сравнению с монометаллическим катализатором Rh/НZSM-5, где одноатомные родиевые центры частично агрегируются в кластеры, в случае Rh-Zn/НZSM-5 доля Rh<sup>0</sup> уменьшается в два раза, а в случае Rh-Cu/НZSM-5 кластеризация Rh не происходит. Стабилизирующее действие Cu обусловлено взаимодействием катионов меди и родия на поверхности цеолита.</p></trans-abstract><kwd-group xml:lang="en"><kwd>single atom rhodium catalysts</kwd><kwd>zeolite ZSM-5</kwd><kwd>doping with a second metal (Zn</kwd><kwd>Cu)</kwd><kwd>oxidative carbonylation of methane</kwd><kwd>acetic acid</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>одноатомные родиевые катализаторы</kwd><kwd>цеолит ZSM-5</kwd><kwd>легирование вторым металлом (Zn</kwd><kwd>Сu)</kwd><kwd>окислительное карбонилирование метана</kwd><kwd>уксусная кислота</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Российский научный фонд</institution></institution-wrap><institution-wrap><institution xml:lang="en">Russian Science Foundation</institution></institution-wrap></funding-source><award-id>21-73-20042</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Kumar P., Al-Attas T.A., Hu J., Kibria M.G. // ACS Nano. 2022. 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