ZEOLITE-BASED CATALYSTS FOR SYNTHESIS OF CARBON NANOTUBES

G.T. Smagulova; N.G. Prikhod’ko; N.R. Guseinov; R. Nemkayeva; B.T. Lesbayev; Zakhidov Zakhidov

Авторлар

G.T. Smagulova Institute of Combustion Problems, 172 Bogenbaybatyr str. Almaty, Kazakhstan; Al-Farabi Kazakh National University, 71al - Farabi av., Almaty, Kazakhstan
N.G. Prikhod’ko Institute of Combustion Problems, 172 Bogenbay batyr str., Almaty, Kazakhstan; Almaty University of Energetic and Communications, 126, Baitursynov str. Almaty, Kazakhstan
N.R. Guseinov Institute of Combustion Problems, 172 Bogenbay batyr str., Almaty, Kazakhstan; National Nanotechnology Laboratory of Open Type, 71, al-Farabi av., Almaty, Kazakhstan
R. Nemkayeva Institute of Combustion Problems, 172 Bogenbay batyr str., Almaty, Kazakhstan; National Nanotechnology Laboratory of Open Type, 71al-Farabi av., Almaty, Kazakhstan
B.T. Lesbayev Институт проблем горения, 050012, ул. Богенбай батыра, 172, Алматы, Казахстан; Казахский национальный университет им. аль-Фараби, пр. аль-Фараби, 71, Алматы, Казахстан
Zakhidov Zakhidov University of Texas at Dallas, 800 W Campbell Rd, RL10, Richardson, TX 75080

Кілт сөздер:

catalyst,, zeolite,, self-propagating surface thermosynthesis,, carbon nanotube

Аңдатпа

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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