nucВестник НЯЦ РКNNC RK Bulletin1729-75161729-7885Национальный ядерный центр Республики Казахстан10.52676/1729-7885-2021-2-53-56nuc-351Research ArticleСтатьиСТРУКТУРА И ЭЛЕКТРОФИЗИЧЕСКИЕ СВОЙСТВА НАНОКОМПОЗИТОВ PVDF+PbS/CdSSTRUCTURE AND ELECTROPHYSICAL PROPERTIES OF PVDF+PbS/CdS NANOCOMPOSITESНоврузоваА. А.NovruzovaA. A.

Баку

Baku

n.a_physicist@yahoo.comБакинский государственный университетАзербайджанBaku State UniversityAzerbaijan202117102021025356Copyright © Новрузова А.А., 20212021Новрузова А.А.Novruzova A.A.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://journals.nnc.kz/jour/article/view/351

В данном докладе представлены исследования структуры и электрофизических свойств нанокомпозитов PVDF+PbS/CdS. Исследование распределения и размера наночастиц PbS и CdS в полимерной матрице проводилось с помощью сканирующей электронной микроскопии (JEOL JSM-7600 F). Изучение структуры образцов нанокомпозита проводилось методом рентген-дифракционной спектроскопии. Изучалась зависимость диэлектрической проницаемости от частоты и температуры. Было показано, что диэлектрическая проницаемость образцов нанокомпозита PVDF+PbS/CdS увеличивалась при малом содержании наночастиц. Дальнейшее увеличение концентрации наполнителя приводит к уменьшению диэлектрической проницаемости. Дальнейшее уменьшение диэлектрической проницаемости при большем содержании наночастиц может объясняться увеличением количестве дефектов в структуре нанокомпозита.

In the given paper were investigated structure and electrophysical properties of PVDF+PbS/CdS nanocomposites. Distribution and the size of PbS and CdS nanoparticles in the polymer matrix has been studied by scanning electron microscopy (JEOL JSM-7600 F). The structure of the nanocomposite samples was investigated by the X-ray diffraction spectroscopy. The dependence of dielectric permittivity at frequency and temperature was investigated. It was shown that the dielectric permittivity of PVDF+PbS/CdS nanocomposite samples was increase in small nanoparticles content. Further increase in the concentration of the filler leads to decrease in the dielectric permittivity. The subsequent decrease in dielectric permittivity at higher nanoparticles content can be explained by the increase in defects in the structure of the nanocomposite.

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