ZEOLITE-BASED CATALYSTS FOR SYNTHESIS OF CARBON NANOTUBES
Keywords:
catalyst,, zeolite,, self-propagating surface thermosynthesis,, carbon nanotubeAbstract
Supported transition-metal catalysts were prepared on zeolite by self-propagating high-temperature synthesis method and were tested upon receipt of carbon nanotubes by CVD. The effectiveness of zeolite as matrix for catalysts in chemical vapor deposition synthesis of multiwall carbon nanotubes is is presented here. Obtaining of carbon nanotubes on zeolite-based catalysts was characterized by the transmission and scanning electron microscopy as well as Raman spectroscopy. For catalyst of zeolite-Co3O4 the carbon nanotubes have a diameter of 11 nm. For catalyst of zeolite-Fe2O3 the carbon nanotubes have a diameter from 7 to 21 nm. Raman spectrum indicates at low defectiveness of obtained carbon nanotubes.
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Copyright (c) 2025 Г.Т. Смагулова, Н.Г. Приходько, Н.Р. Гусеинов, Р. Немкаева, Б.Т. Лесбаев, А.А. Zakhidov

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