Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 22, Issue 6, Pages 2046-2050Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201503183
Keywords
C-H activation; heterogeneous catalysis; iron; mesoporous materials; methane
Categories
Funding
- National Natural Science Foundation [21303058]
- Shanghai Municipal Natural Science Foundation [13ZR1412400]
- key project of the Shanghai Science and Technology Committee [11JC1403400, 14231200300]
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Methane is a most abundant and inexpensive hydrocarbon feedstock for the production of chemicals and fuels. However, it is extremely difficult to directly convert methane to higher hydrocarbons because the C-H bonds in methane are the most stable C-H bonds of all hydrocarbons. The activation of the C-H bonds in methane by using an efficient and mild route remains a daunting challenge. Here, we show that the inner surface structures of the pore walls in mesoporous -Fe2O3 possess excellent catalytic performance for methane activation and convert C-H bonds into the C-O bonds in an O-2 atmosphere at 140 degrees C. We found that such unusual structures are mainly comprised of turbostratic ribbons and K crystal faces and have higher catalytic activity than the (110) plane. These results are without precedent in the history of catalysis chemistry and will provide a new pathway for designing and preparing highly efficient catalytic materials.
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