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"10.29235/1561-8331-2024-60-1-81-88vestich-865Research ArticleТЕХНИЧЕСКАЯ ХИМИЯ И ХИМИЧЕСКАЯ ТЕХНОЛОГИЯTECHNICAL CHEMISTRY AND CHEMICAL ENGINEERINGСенсорные слои полиметилметакрилата для емкостных датчиков анализа содержания катионов тяжелых металлов в водеSensory layers of poly(methyl metacrylate) for capacitive sensors for analysis of the content of heavy metal cations in waterСапсалёвД. В.SapsaliouD. V.

Сапсалёв Дмитрий Владимирович – младший научный сотрудник, ИТМО им. А.В. Лыкова НАН Беларуси; аспирант, БГПУ им. Максима Танка.

ул. П. Бровки, 15, 220072, Минск; ул. Советская, 18, 220030, Минск

Dmitry V. Sapsaliou – Junior researcher, A. V. Luikov Heat and Mass Transfer Institute of the National Academy of Sciences of Belarus; Postgraduate Student, Belarusian State Pedagogical University named after Maxim Tank.

15, P. Brovka Str., 220072, Minsk; 18, Savieckaja Str., 220030, Minsk

dsapsalev@list.ruМельниковаГ. Б.MelnikovaG. B.

Мельникова Галина Борисовна – кандидат технических наук, старший научный сотрудник.

ул. П. Бровки, 15, 220072, Минск

Galina B. Melnikova – Ph. D. (Engineering), Senior Researcher. A. V. Luikov Heat and Mass Transfer Institute of the National Academy of Sciences of Belarus.

15, P. Brovka Str., 220072, Minsk

galachkax@gmail.comАксючицА. В.AksiuchytsA. V.

Аксючиц Александр Владимирович – аспирант, младший научный сотрудник.

ул. П. Бровки, 6, 220013, Минск

Aliaksandr V. Aksiuchyts – Postgraduate student, Junior researcher. Belarusian State University of Informatics and Radioelectronics.

6, P. Brovka Str., 220013, Minsk

a.aksiuchyts@bsuir.byТолстаяТ. Н.TolstayaT. N.

Толстая Татьяна Николаевна – научный сотрудник.

ул. П. Бровки, 15, 220072, Минск

Tatyana N. Tolstaya – Researcher. A. V. Luikov Heat and Mass Transfer Institute of the National Academy of Sciences of Belarus.

15, P. Brovka Str., 220072, Minsk

tolstaya.tn@yandex.ruКотовД. А.KotovD. A.

Котов Дмитрий Анатольевич – кандидат технических наук, доцент, доцент кафедры.

ул. П. Бровки, 6, 220013, Минск

Dmitry A. Kotov – Ph. D (Engineering), Associate Professor. Associate Professor of the Department. Belarusian State University of Informatics and Radioelectronics.

6, P. Brovka Str., 220013, Minsk

kotov@bsuir.byЧижикС. А.ChizhikS. A.

Чижик Сергей Антонович – академик, доктор технических наук, профессор, главный научный сотрудник.

ул. П. Бровки, 15, 220072, Минск

Sergei A. Chizhik – Academician, D. Sc. (Engineering), Professor, Chief researcher, A.V. Luikov Heat and Mass transfer Institute of the National Academy of Sciences of Belarus.

15, P. Brovka Str., 220072, Minsk

chizhik_sa@tut.byИнститут тепло- и массообмена имени А.В. Лыкова Национальной академии наук Беларуси; Белорусский государственный педагогический университет имени Максима ТанкаA.V. Luikov Heat and Mass Transfer Institute of the National Academy of Science of Belarus; Belarusian State Pedagogical University named after Maxim TankИнститут тепло- и массообмена имени А.В. Лыкова Национальной академии наук БеларусиA.V. Luikov Heat and Mass Transfer Institute of the National Academy of Science of BelarusБелорусский государственный университет информатики и радиоэлектроникиBelarusian State University of Informatics and Radioelectronics2024040320246018188Copyright © Сапсалёв Д.В., Мельникова Г.Б., Аксючиц А.В., Толстая Т.Н., Котов Д.А., Чижик С.А., 20242024Сапсалёв Д.В., Мельникова Г.Б., Аксючиц А.В., Толстая Т.Н., Котов Д.А., Чижик С.А.Sapsaliou D.V., Melnikova G.B., Aksiuchyts A.V., Tolstaya T.N., Kotov D.A., Chizhik S.A.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/865

Представлены результаты применения покрытий полиметилметакрилата для разработки емкостных датчиков анализа содержания тяжелых металлов в воде (на примере ионов Ni2+). Методом атомно-силовой микроскопии исследованы структурно-морфологические характеристики сформированного проводящего никелевого слоя и наноструктурированных пленок полиметилметакрилата. На основании анализа зависимости емкостных характеристик исходного сенсора от частоты при различной концентрации ионов Ni2+ установлены рабочие характеристики датчика: время отклика – 5 мин; рабочий диапазон концентраций ионов Ni2+: 1 ⋅ 10–3–50 мМ; нижний предел обнаружения ≈ 0,06 мг/л. Показано, что формирование на проводящем слое никеля покрытия полиметилметакрилата методом спин-коутинга увеличивает срок службы сенсора до восьми циклов с сохранением уровня чувствительности датчика.

The results of using poly(methyl methacrylate) coatings for the development of the capacitive sensors for analyzing the content of heavy metals in water (using Ni2+ ions as example) are presented. Structural and morphological characteristics of the formed conductive nickel layer and nanostructured poly(methyl methacrylate) films were studied by atomic force microscopy. Based on the analysis of the dependence of the capacitive characteristics of the original sensor on the frequency at different concentrations of Ni2+ ions, the following operating characteristics of the sensor were established: response time – 5 min; operating range of Ni2+ ion concentrations: 1 ‧ 10–3–50 mM; lower detection limit ≈ 0,06 mg/l. It is shown that the formation of a poly(methyl methacrylate) coating on a conductive nickel layer by the spin coating method increases the service life of the sensor to eight cycles while maintaining the level of sensor sensitivity.

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