Catalytic properties of reduced graphene oxide in acetylene hydrogenation

Catalytic properties of thermally reduced (TRGO) and nitrogen-doped thermally reduced (N-TRGO) graphene oxides in acetylene hydrogenation in the temperature range of 50–400 °C were studied. The N-TRGO and TRGO materials were characterized by transmission and scanning electron microscopy, X-ray diffr...

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Bibliographic Details
Published in:Carbon (New York) 2020-02, Vol.157, p.277-285
Main Authors: Abakumov, A.A., Bychko, I.B., Selyshchev, O.V., Zahn, D.R.T., Qi, Xiaohua, Tang, Jianguo, Strizhak, P.E.
Format: Article
Language:English
Subjects:
Acetylene
Catalysts
Catalytic activity
Diffraction
Functional groups
Graphene
Hydrogenation
Hydrogenolysis
Hydroxyl groups
Infrared analysis
Nitrogen
Photoelectrons
Scanning electron microscopy
Selectivity
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Summary:Catalytic properties of thermally reduced (TRGO) and nitrogen-doped thermally reduced (N-TRGO) graphene oxides in acetylene hydrogenation in the temperature range of 50–400 °C were studied. The N-TRGO and TRGO materials were characterized by transmission and scanning electron microscopy, X-ray diffraction, Raman, infrared and X-ray photoelectron spectroscopies as well as elementary analysis techniques. The nitrogen incorporation in the graphene structure decreases the total activity for acetylene hydrogenation and the selectivity for ethylene. Oxygen-containing functional groups like ketone and hydroxyl groups may also contribute to catalytic activity. Methane, as a by-product, is produced due to acetylene hydrogenolysis that occurs on the structural defects. [Display omitted]
ISSN:0008-6223
1873-3891
DOI:10.1016/j.carbon.2019.10.058