Predictive Synthesis of Transition Metal Carbide via Thermochemical Oxocarbon Equilibrium
Sang-Ho Oh,
Dohun Kim,
Ji-Yong Kim
et al.
Abstract:Fabricating nanoscale metal carbides
is a great challenge
due to
them having higher Gibbs free energy of formation (ΔG°) values than other metal compounds; additionally,
these carbides have harsh calcination conditions, in which metal oxidation
is preferred in the atmosphere. Herein, we report oxocarbon-mediated
calcination for the predictive synthesis of nanoscale metal carbides.
The thermochemical oxocarbon equilibrium of CO–CO2 reactions was utilized to control the selective redox reactions
in multiatomic s… Show more
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