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Synthesis of Microporous Mo2C-W2C Binary Carbides by Thermal Decomposition of Molybdenum-Tungsten Blues

1
Department of Colloid Chemistry, Faculty of Natural Science, D. Mendeleev University of Chemical Technology of Russia, Miusskaya Sq., 9, 125047 Moscow, Russia
2
JSC “Kompozit”, Pionerskaya Str. 4, Moscow Region, 141070 Korolev, Russia
3
Department of Chemical Technology of Carbon Materials, Faculty of Petroleum Chemistry and Polymers, D. Mendeleev University of Chemical Technology of Russia, Miusskaya Sq., 9, 125047 Moscow, Russia
*
Author to whom correspondence should be addressed.
Nanomaterials 2020, 10(12), 2428; https://doi.org/10.3390/nano10122428
Received: 9 November 2020 / Revised: 27 November 2020 / Accepted: 2 December 2020 / Published: 4 December 2020
Molybdenum and tungsten carbides are perspective catalytic systems. Their activity in many reactions is comparable to the activity of platinum group metals. The development of the synthesis method for of highly dispersed binary molybdenum and tungsten carbides is an important task. Dispersions of molybdenum-tungsten blue were used as a precursor for synthesis of binary molybdenum and tungsten carbides. The synthesis of carbides was carried out by thermal decomposition of molybdenum-tungsten blue xerogels in an inert atmosphere. The binary carbides were characterized by XRD, TGA, SEM and nitrogen adsorption. The influence of the molar ratio reducing agent/Me [R]/[ΣMe], molar ratio molybdenum/tungsten [Mo]/[W] on phase composition, and morphology and porous structure of binary carbides was investigated. Samples of binary molybdenum and tungsten carbides with a highly developed porous structure and a specific surface area were synthesized. View Full-Text
Keywords: binary carbides; molybdenum-tungsten carbide; sol-gel method; molybdenum-tungsten blues; thermal decomposition binary carbides; molybdenum-tungsten carbide; sol-gel method; molybdenum-tungsten blues; thermal decomposition
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MDPI and ACS Style

Gavrilova, N.; Myachina, M.; Dyakonov, V.; Nazarov, V.; Skudin, V. Synthesis of Microporous Mo2C-W2C Binary Carbides by Thermal Decomposition of Molybdenum-Tungsten Blues. Nanomaterials 2020, 10, 2428. https://doi.org/10.3390/nano10122428

AMA Style

Gavrilova N, Myachina M, Dyakonov V, Nazarov V, Skudin V. Synthesis of Microporous Mo2C-W2C Binary Carbides by Thermal Decomposition of Molybdenum-Tungsten Blues. Nanomaterials. 2020; 10(12):2428. https://doi.org/10.3390/nano10122428

Chicago/Turabian Style

Gavrilova, Natalia, Maria Myachina, Victor Dyakonov, Victor Nazarov, and Valery Skudin. 2020. "Synthesis of Microporous Mo2C-W2C Binary Carbides by Thermal Decomposition of Molybdenum-Tungsten Blues" Nanomaterials 10, no. 12: 2428. https://doi.org/10.3390/nano10122428

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