nucВестник НЯЦ РКNNC RK Bulletin1729-75161729-7885Национальный ядерный центр Республики Казахстан10.52676/1729-7885-2025-4-150-158nuc-933Research ArticleСтатьиПЛАЗМОХИМИЧЕСКИЙ СИНТЕЗ УГЛЕРОДА ИЗ МЕТАНА В МИКРОВОЛНОВОМ РАЗРЯДЕPLASMA-CHEMICAL SYNTHESIS OF CARBON FROM METHANE IN A MICROWAVE DISCHARGEhttps://orcid.org/0000-0003-3716-8846СкаковМ. К.SkakovM. K.

Курчатов

Kurchatov

skakov@nnc.kzhttps://orcid.org/0000-0002-2188-8075МиниязовА. Ж.MiniyazovA. Zh.

Курчатов

Kurchatov

miniyazov@nnc.kzhttps://orcid.org/0000-0002-7665-4022СоколовИ. А.SokolovI. A.

Курчатов

Kurchatov

sokolov@nnc.kzhttps://orcid.org/0000-0002-1541-6231ТуленбергеновТ. Р.TulenbergenovT. R.

Курчатов

Kurchatov

tulenbergenov@nnc.kzhttps://orcid.org/0009-0008-1404-1782АгатановаА. А.AgatanovaA. A.

Курчатов

Семей

Kurchatov

Semey

agatanova@nnc.kzhttps://orcid.org/0009-0008-4694-2200СабыртаеваА. А.SabyrtaevaА. A.

Курчатов

Kurchatov

sabyrtayeva@nnc.kzhttps://orcid.org/0009-0007-4056-7721БекмагамбетоваБ. Е.BekmagambetovaB. E.

Курчатов

Kurchatov

Zhapasheva@nnc.kzРГП «Национальный ядерный центр Республики Казахстан»КазахстанRSE “National Nuclear Center of the Republic of Kazakhstan”KazakhstanФилиал «Институт атомной энергии» РГП НЯЦ РККазахстанBranch “Institute of Atomic Energy” RSE NNC RKKazakhstanФилиал «Институт атомной энергии» РГП НЯЦ РК; НАО «Университет Шакарима»КазахстанBranch “Institute of Atomic Energy” RSE NNC RK; Shakarim UniversityKazakhstan20250812202504150158Copyright © Скаков М.К., Миниязов А.Ж., Соколов И.А., Туленбергенов Т.Р., Агатанова А.А., Сабыртаева А.А., Бекмагамбетова Б.Е., 20252025Скаков М.К., Миниязов А.Ж., Соколов И.А., Туленбергенов Т.Р., Агатанова А.А., Сабыртаева А.А., Бекмагамбетова Б.Е.Skakov M.K., Miniyazov A.Z., Sokolov I.A., Tulenbergenov T.R., Agatanova A.A., Sabyrtaeva А.A., Bekmagambetova B.E.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/933

В данной работе представлены результаты комплексного исследования углеродных материалов, синтезированных методом пиролиза метана в микроволновом разряде при атмосферном давлении. Основное внимание уделено влиянию мощности СВЧ-разряда на морфологические, фазовые и текстурные характеристики получаемого углерода. С помощью сканирующей электронной микроскопии (SEM) установлено, что увеличение мощности от 0,6 до 1,4 кВт приводит к уменьшению среднего размера частиц с ~20,2 до ~10,4 мкм и к формированию более дисперсной структуры. Рентгеноструктурный анализ (XRD) продемонстрировал переход углерода от аморфной турбостратной структуры к более упорядоченной графитоподобной фазе с увеличением температуры процесса. Методами низкотемпературной адсорбции азота (BET и BJH) показано, что углеродные материалы характеризуются мезопористой структурой, а максимальные значения удельной поверхности и объема пор (628 м2/г и 5,04 см3/г, соответственно) наблюдаются при минимальной мощности магнетрона. Полученные результаты указывают на ключевую роль мощности СВЧ-плазмы в управлении структурой и функциональными характеристиками углеродных материалов, что открывает перспективы их использования в катализе, сорбции и накоплении энергии.

This study presents a comprehensive investigation of carbon materials synthesized via methane pyrolysis in a microwave plasma discharge under atmospheric pressure. Particular attention is paid to the influence of microwave power on the morphological, phase, and textural characteristics of the resulting carbon. Scanning electron microscopy (SEM) revealed that increasing the discharge power from 0.6 to 1.4 kW leads to a reduction in average particle size (from ~20.2 to ~10.4 μm) and the formation of more dispersed structures. X-ray diffraction (XRD) analysis showed a transition from a turbostratic, amorphous phase to a more ordered, graphite-like structure with increasing process temperature. Nitrogen adsorption analysis using the BET and BJH methods confirmed the mesoporous nature of the materials, with the highest specific surface area and pore volume observed at the lowest plasma power (628 m2/g and 5.04 cm3/g, respectively). These findings demonstrate that microwave discharge power is a key parameter for tailoring the structure and functionality of carbon materials, making them promising candidates for applications in catalysis, adsorption, and energy storage.

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