najoNanosystems: Physics, Chemistry, MathematicsНаносистемы: физика, химия, математика2220-80542305-7971Университет ИТМО10.17586/2220-8054-2023-14-6-705-712najo-167Research ArticleCHEMISTRY AND MATERIALS SCIENCEХИМИЯ И НАУКА О МАТЕРИАЛАХPlanetary grinding’s impact on the structure and photocatalytic characteristics of urea-derived g-C3N4 nanocrystalsВлияние помола в планетарной мельнице на структуру и фотокаталитические характеристики нанокристаллов g-C3N4, полученных из мочевиныhttps://orcid.org/0000-0002-1461-579XЧебаненкоМ. И.ChebanenkoM. I.

Maria I. Chebanenko

Politechnicheskaya, 26, St. Petersburg, 194021

m_chebanenko@list.ruhttps://orcid.org/0000-0001-9449-9487ЛебедевЛ. А.LebedevL. A.

Lev A. Lebedev

Politechnicheskaya, 26, St. Petersburg, 194021

1595lion@gmail.comhttps://orcid.org/0000-0003-2003-0672ТеневичМ. И.TenevichM. I.

Maksim I. Tenevich

Politechnicheskaya, 26, St. Petersburg, 194021

chwm420@gmail.comhttps://orcid.org/0000-0003-0434-5252СтовпягаЕ. Ю.StovpiagaE. Yu.

Ekaterina Yu. Stovpiaga

Politechnicheskaya, 26, St. Petersburg, 194021

kattrof@gvg.ioffe.ruhttps://orcid.org/0000-0002-8450-4278ПопковВ. И.PopkovV. I.

Vadim I. Popkov

Politechnicheskaya, 26, St. Petersburg, 194021

vadim.i.popkov@mail.ioffe.ruIoffe InstituteRussian Federation202302062025146705712Copyright © Chebanenko M.I., Lebedev L.A., Tenevich M.I., Stovpiaga E.Y., Popkov V.I., 20252025Чебаненко М.И., Лебедев Л.А., Теневич М.И., Стовпяга Е.Ю., Попков В.И.Chebanenko M.I., Lebedev L.A., Tenevich M.I., Stovpiaga E.Y., Popkov V.I.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://nanojournal.ifmo.ru/jour/article/view/167

The burgeoning interest in two-dimensional materials derived from graphite carbon nitride (g-C3N4) stems from its non-toxicity, exceptional charge carrier mobility, and UV-vis absorption capabilities. Crucially, g-C3N4’s performance hinges on its specific surface area. We investigate how planetary grinding impacts the crystal and electronic structures of g-C3N4 nanocrystals. Six samples, subjected to varying durations of mechanical treatment, underwent comprehensive characterization using a complex of physico-chemical methods. Notably, planetary grinding substantially increases the specific surface area of g-C3N4 nanocrystals while preserving their electronic structure. Furthermore, we assessed the photocatalytic performance of these samples in decomposing antibiotics under visible light. The nanocrystalline powder with an enhanced specific surface area demonstrated a remarkable efficiency in tetracycline hydrochloride decomposition. In summary, our study highlights the potential of planetary grinding as a means to augment g-C3N4’s specific surface area, positioning it as a promising platform for the development of contemporary, eco-friendly photocatalysts.

Растущий интерес к двумерным материалам, получаемым из графитоподобного нитрида углерода (g-C3N4), обусловлен его экологичностью, исключительной подвижностью носителей заряда и способностью поглощать ультрафиолетовое излучение. Важно отметить, что эксплуатационные характеристики g-C3N4 зависят от его удельной площади поверхности. В данной работе было исследовано, как измельчение в планетарной мельнице влияет на кристаллическую и электронную структуры нанокристаллов g-C3N4. Шесть образцов, подвергнутых механическому воздействию различной продолжительности, прошли всестороннюю характеристику с использованием комплекса физико-химических методов анализа. Примечательно, что помол с помощью планетарной мельницы значительно увеличивает удельную поверхность нанокристаллов g-C3N4 при сохранении их электронной структуры. Также были оценены фотокаталитические свойства этих образцов в процессе разложения антибиотиков под действием видимого света. Нанокристаллический порошок с увеличенной удельной поверхностью продемонстрировал высокую эффективность при разложении тетрациклина гидрохлорида. Таким образом, данное исследование подчеркивает потенциал планетарного измельчения как способа увеличения удельной поверхности нанопорошка g-C3N4, который в дальнейшем может быть использован в качестве перспективной основы для создания современных и экологически чистых фотокатализаторов.

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