bsuirДоклады БГУИРDoklady BGUIR1729-76482708-0382БГУИР10.35596/1729-7648-2022-20-4-53-61bsuir-3389Research ArticleЭЛЕКТРОНИКА, РАДИОФИЗИКА, РАДИОТЕХНИКА, ИНФОРМАТИКАELECTRONICS, RADIOPHYSICS, RADIOENGINEERING, INFORMATICSФормирование и свойства композитных гетеросистем на основе макропористого кремния, графитоподобного нитрида углерода и полупроводниковых соединенийFormation and Properties of Heterosystems Based on Porous Silicon, Graphitic Carbon Nitride and Semiconductor CompoundsГребневВ. П.GrebnevV. P.

Гребнев Вадим Петрович, магистрант кафедры микро- и наноэлектроники 

220013, г. Минск, ул. П. Бровки, 6

тел. +375-29-821-80-89

Grebnev Vadim Petrovich, Master’s Student at the Microand Nanoelectronics Departament 

220013, Minsk, P. Brovka St., 6

tel. +375-29-821-80-89  

vadim.grebnev.vg@gmail.comЧубенкоЕ. Б.ChubenkoE. B.

к.т.н., доцент, ведущий научный сотрудник НИЛ 4.3 НИЧ 

г. Минск

Cand. of Sci., Associate Professor, Leading Researcher of R&D Laboratory 4.3 

Minsk

БондаренкоВ. П.BondarenkoV. P.

к.т.н., доцент, заведующий НИЛ 4.3 НИЧ 

г. Минск

Cand. of Sci, Associate Professor, Head of Laboratory 4.3 

Minsk

Белорусский государственный университет информатики и радиоэлектроникиBelarusian State University of Informatics and Radioelectronics2022290620222045361Copyright © Гребнев В.П., Чубенко Е.Б., Бондаренко В.П., 20222022Гребнев В.П., Чубенко Е.Б., Бондаренко В.П.Grebnev V.P., Chubenko E.B., Bondarenko V.P.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://doklady.bsuir.by/jour/article/view/3389

Показана возможность пиролитического синтеза композитных гетеросистем на основе макропористого кремния, графитоподобного нитрида углерода и широкозонных полупроводников оксида и сульфида цинка (g-C3N4/ZnO/ZnS) из механической смеси тиомочевины и ацетата цинка при температуре 500 – 600 °C. Исследование полученных материалов методами сканирующей электронной микроскопии и энергодисперсионной рентгеновской спектроскопии показало равномерное заполнение макропористого кремния композитом g-C3N4/ZnO/ZnS с образованием сплошной композитной пленки на поверхности. Фотолюминесценция образцов контролируется температурой синтеза. Ее увеличение приводит к сдвигу максимума свечения в диапазон больших энергий с 544 на 516 нм. Установлено, что фотокаталитическая активность композитных гетеросистем, полученных при меньшей температуре, выше, что обусловлено более развитой морфологией поверхности и меньшей шириной запрещенной зоны. Полученные материалы могут быть использованы для создания фотокаталитических покрытий и функциональных слоев оптоэлектронных приборов.

The possibility of pyrolytic synthesis of composite heterosystems based on macroporous silicon, graphitic carbon nitride and wide band semiconductors zinc oxide and zinc sulfide (g-C3N4/ZnO/ZnS) from a mechanical mixture of thiourea and zinc acetate at 500 – 600 °C was shown. The obtained material study by scanning electron microscopy and energy dispersive X-ray spectroscopy showed a uniform filling of macroporous silicon with the composite g-C3N4/ZnO/ZnS with the formation of a continuous composite film on the surface. The photoluminescence of the samples was controlled by the synthesis temperature. Increase of photoluminescence leads to shift of luminescence maximum in high energy range from 544 to 516 nm. It was found that photocatalytic activity of composite heterosystems obtained at a lower temperature is higher due to more developed surface morphology and smaller bandgap width. The materials obtained can be used to create photocatalytic coatings and functional layers of optoelectronic devices.

графитоподобный нитрид углеродаоксид цинкасульфид цинкамакропористый кремнийфотолюминесценцияфотокатализсканирующая электронная микроскопияочистка водыgraphitic carbon nitridezinc oxidezinc sulfidemacroporous siliconphotoluminescencephotocatalysisscanning electron microscopywater purificationРабота выполнена в рамках задания 1.4 ГПНИ Республики Беларусь «Материаловедение, новые материалы и технологии» и гранта Министерства образования для магистрантов. Авторы выражают благодарность Д.В. Жигулину за проведение исследований образцов методом сканирующей электронной микроскопии и энергодисперсионной рентгеновской спектроскопии.The work was carried out as part of task 1.4 of the State Scientific Research Institute of the Republic of Belarus “Material Science, New Materials and Technologies” andagrant of the Ministry of Education for master students. The authors also express their gratitude to D. 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The authors declare that there are no conflicts of interest present.