New Insights into the Kinetics of Structural Transformation and Hydrogenation Activity of Nano-crystalline Molybdenum Carbide

New Insights into the Kinetics of Structural Transformation and Hydrogenation Activity of... Keywords Molybdenum carbide · Cubic MoC  · Hexagonal β-Mo C · Density functional theory (DFT) · Crystallographic 0.5 2 transformation · Selective hydrogenation · CO chemisorption · Olefins elimination in many types of reactions but new materials are sought 1 Introduction to replace them due to their limited abundance and high price. As pointed out by several authors, for future technologies Transition metal carbides (e.g. Mo, W, Nb or Ta) are an to become sustainable and economically feasible, it is of important group of very interesting materials for catalysis importance to develop novel materials that can be pro- that have been studied for several years. Levy and Boudart duced with the most abundant chemical elements on earth demonstrated in their work, published in 1973, that tungsten [1–8]. The replacement of scarce and/or rare elements carbides behaved similar to platinum for some types of reac- by more abundant ones to design and produce materials tions, and thus, a new era of research in these types of materi- of extensive use is a must. Noble metals like palladium als evolved [9]. Transition metal carbides in bulk or supported or platinum are well-known for their catalytic properties 1 3 906 K. O. Sebakhy et al. form, promoted or not, have http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Catalysis Letters Springer Journals

New Insights into the Kinetics of Structural Transformation and Hydrogenation Activity of Nano-crystalline Molybdenum Carbide

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Publisher
Springer US
Copyright
Copyright © 2018 by Springer Science+Business Media, LLC, part of Springer Nature
Subject
Chemistry; Catalysis; Industrial Chemistry/Chemical Engineering; Organometallic Chemistry; Physical Chemistry
ISSN
1011-372X
eISSN
1572-879X
D.O.I.
10.1007/s10562-017-2274-3
Publisher site
See Article on Publisher Site

Abstract

Keywords Molybdenum carbide · Cubic MoC  · Hexagonal β-Mo C · Density functional theory (DFT) · Crystallographic 0.5 2 transformation · Selective hydrogenation · CO chemisorption · Olefins elimination in many types of reactions but new materials are sought 1 Introduction to replace them due to their limited abundance and high price. As pointed out by several authors, for future technologies Transition metal carbides (e.g. Mo, W, Nb or Ta) are an to become sustainable and economically feasible, it is of important group of very interesting materials for catalysis importance to develop novel materials that can be pro- that have been studied for several years. Levy and Boudart duced with the most abundant chemical elements on earth demonstrated in their work, published in 1973, that tungsten [1–8]. The replacement of scarce and/or rare elements carbides behaved similar to platinum for some types of reac- by more abundant ones to design and produce materials tions, and thus, a new era of research in these types of materi- of extensive use is a must. Noble metals like palladium als evolved [9]. Transition metal carbides in bulk or supported or platinum are well-known for their catalytic properties 1 3 906 K. O. Sebakhy et al. form, promoted or not, have

Journal

Catalysis LettersSpringer Journals

Published: Feb 2, 2018

References

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