vestichИзвестия Национальной академии наук Беларуси. Серия химических наукProceedings of the National Academy of Sciences of Belarus, Chemical Series1561-83312524-2342The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"10.29235/1561-8331-2025-61-1-46-55vestich-937Research ArticleФИЗИЧЕСКАЯ ХИМИЯPHYSICAL CHEMISTRYВлияние природы углеродного носителя на электронные и структурные свойства нанесенного палладияInfluence of carbon support action on the deposited palladium electronic and structural characteristicsХаминецС. Г.KhaminetsS. G.

Хаминец Сергей Георгиевич – кандидат химических наук, научный сотрудник

ул. Сурганова, 13, 220072, Минск

Khaminets Siarhei G. – Ph. D. (Chemistry), Researcher

13, Surganov Str., 220072, Minsk

holyfreezer@gmail.comМатвейчукС. В.MatveichukS. V.

Матвейчук Сергей Васильевич – кандидат химических наук, ведущий научный сотрудник

ул. Сурганова, 13, 220072, Минск

Matveichuk Siarhei V. – Ph. D. (Chemistry), Leading Researcher

13, Surganov Str., 220072, Minsk

msv@ifoch.bas-net.byТычинскаяЛ. Ю.TychinskayaL. Yu.

Тычинская Людмила Юльевна – кандидат химических наук, заведующий лабораторией

ул. Сурганова, 13, 220072, Минск

Tychinskaya Lyudmila Yu. – Ph. D. (Chemistry), Head of the Laboratory

13, Surganov Str., 220072, Minsk

sed@ifoch.bas-net.byИнститут физико-органической химии Национальной академии наук БеларусиInstitute of physical organic chemistry of the National Academy of Sciences of Belarus2025270220256114655Copyright © Хаминец С.Г., Матвейчук С.В., Тычинская Л.Ю., 20252025Хаминец С.Г., Матвейчук С.В., Тычинская Л.Ю.Khaminets S.G., Matveichuk S.V., Tychinskaya L.Y.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://vestichem.belnauka.by/jour/article/view/937

Исследовано влияние углеродного носителя на электронные и структурные характеристики палладия в композитах Pd/С на основе волокнистых носителей карбопон и бусофит и гранулированного материала сибунит. С применением методов АЭС-ИСП (атомно-эмиссионная спектроскопия с индуктивно связанной плазмой), РФЭС (рентгеновская фотоэлектронная спектроскопия), ПЭМ (просвечивающая электронная микроскопия) и EXAFS/XANES-спектроскопии изучены физико-химические свойства как носителей, так и образцов Pd/С. В палладийсодержащих композитах металл обнаружен в виде двух нанофаз: поверхностная фаза PdO и высокодисперсная металлическая Pd0 нанофаза со средним размером частиц 1,7, 1,9 и 2,2 нм соответственно для сибунита, бусофита и карбопона. Различия в поверхностных отношениях Pd2+/Pd0 для исследуемых систем связаны с различиями в количестве и типе функциональных групп на поверхности углеродных материалов, а также с их разной удельной поверхностью.

The structural characteristics and electronic state of palladium deposited on carbon fiber materials (Busofit, Carbopon) and the carbon composite Sibunit were studied. The study of supports and Pd/C composites by modern instrumental methods (AES-ICP, TEM, EXAFS- and X-ray photoelectron spectroscopy) showed two nanosized phases of the metal component in all the 1% Pd/C samples studied: the oxidized surface phase of PdO and the clusters of metallic palladium with average particle size of 1.7, 1.9 and 2.2 nm, for Sibunit, Busofit and Carbopon, respectively. Differences in the values of the Pd2+/Pd0 surface ratio for the systems under investigation can be related to the different quantity and type of functional groups on the surface of carbon materials, as well as to their different specific surface area.

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The authors declare that there are no conflicts of interest present.