kaz29Вестник Казахстанско-Британского технического университетаHerald of the Kazakh-British Technical University1998-66882959-8109Казахстанско-Британский Технический Университет10.55452/1998-6688-2025-22-3-290-301kaz29-2131Research ArticleФИЗИЧЕСКИЕ НАУКИPHYSICAL SCIENCESВЛИЯНИЕ ПАРАМЕТРОВ НИЗКОЗАТРАТНЫХ МЕТОДОВ СИНТЕЗА НА МОРФОЛОГИЮ ОКСИДА ЦИНКАINFLUENCE OF PARAMETERS OF LOW-COST SYNTHESIS METHODS ON ZINC OXIDE MORPHOLOGYhttps://orcid.org/0009-0008-9714-0304ҚадауА. Т.KadauA. T.

магистр

г. Алматы 

Master's degree

Almaty

aidoskadau@gmail.comhttps://orcid.org/0000-0002-4826-1678КалкозоваЖ. К.KalkozovaZh. K.

к.ф-м.н., ассоциированный профессор

г. Алматы

Cand.Phys.-Math.Sc., Associate Professor

Almaty

zhanar.kalkozova@kaznu.edu.kzhttps://orcid.org/0000-0003-0726-1118ГриценкоЛ. В.GritsenkoL. V.

PhD, ассоциированный профессор

г. Алматы 

PhD, Associate Professor

Almaty

l.gritsenko@satbayev.universityhttps://orcid.org/0000-0002-0657-422XМархабаеваА. А.MarkhabayevaA. A.

PhD

г. Алматы

PhD

Almaty

aiko.marx87@gmail.comhttps://orcid.org/0000-0002-2729-2272АбдуллинХ. А.AbdullinKh. A.

д.ф-м.н., профессор

г. Алматы 

 Dr.Phys.-Math.Sc., Professor 

Almaty

kh.abdullin@physics.kzИнститут прикладных наук и информационных технологийКазахстанInstitute of Applied Science & Information TechnologyKazakhstanИнститут прикладных наук и информационных технологий; Национальная нанотехнологическая лаборатория открытого типа (ННЛОТ), Казахский национальный университет имени аль-ФарабиКазахстанInstitute of Applied Science & Information Technology; National nanotechnology laboratory of open type (NNLOT), Al-Farabi Kazakh National universityKazakhstanИнститут прикладных наук и информационных технологий; Satbayev UniversityКазахстанInstitute of Applied Science & Information Technology; Satbayev UniversityKazakhstan202527092025223290301Copyright © Қадау А.Т., Калкозова Ж.К., Гриценко Л.В., Мархабаева А.А., Абдуллин Х.А., 20252025Қадау А.Т., Калкозова Ж.К., Гриценко Л.В., Мархабаева А.А., Абдуллин Х.А.Kadau A.T., Kalkozova Z.K., Gritsenko L.V., Markhabayeva A.A., Abdullin K.A.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://vestnik.kbtu.edu.kz/jour/article/view/2131

Исследована морфология порошков оксида цинка (ZnO), синтезированных модифицированным микроволновым методом при различных параметрах нагрева и методом химического осаждения. Анализ изображений позволил установить закономерности формирования структуры в зависимости от параметров синтеза. Показано, что увеличение времени микроволнового нагрева при постоянной мощности приводит к последовательному переходу от рыхлых наночастиц к плотным, хорошо ограненным микроструктурам. Кроме того, снижение мощности нагрева замедляет процессы кристаллизации и агломерации, сохраняя более мелкодисперсную и пористую структуру. Сканирующая электронная микроскопия выявила также существенные различия в морфологии образцов, выращенных методом химического осаждения, обусловленные изменением исходной молярной концентрации ацетата цинка при фиксированных концентрациях остальных компонентов раствора роста. Таким образом, представлены низкозатратные, экологичные, контролируемые методы синтеза образцов ZnO, позволяющие направленно управлять морфологией частиц за счет изменения концентрации прекурсоров, оптимизации времени и мощности микроволнового синтеза. Показана возможность применения выращенных структур для фотокаталитического разложения органического красителя родамина-B. Установлена взаимосвязь между скоростью фотокаталитического разложения и морфологией частиц оксида цинка. Наибольшая скорость фотокаталитической деградации родамина-B ≈ 0.5 hr-1 в рассмотренной серии зафиксирована у образца, полученного методом химического осаждения, наименьшая ≈0.1 hr-1 – у образца, синтезированного микроволновым методом.

The morphology of zinc oxide (ZnO) powders synthesised via a modified microwave assisted method under varying heating parameters, as well as by chemical bath deposition, was investigated. Image analysis revealed clear correlations between synthesis parameters and structural features. Increasing the microwave heating time at constant power led to a consistent transformation from loose nanoparticles to dense, well-faceted microstructures. In contrast, reducing heating power slowed crystallisation and agglomeration, preserving a finer, more porous structure. Scanning electron microscopy also demonstrated significant morphological differences in samples grown by chemical bath deposition, which were strongly influenced by the initial molar concentration of zinc acetate while keeping the concentrations of other solution components constant. These findings confirm that low-cost, environmentally friendly synthesis approaches can be used to control ZnO particle morphology through careful adjustment of precursor concentrations, heating time, and microwave power. Photocatalytic degradation tests of rhodamine B demonstrated a strong link between particle morphology and degradation rate. The highest rate (~0.5 h– ¹) was recorded for a chemically precipitated sample, whereas the lowest (~0.1 h–¹) corresponded to a microwavesynthesised sample.

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