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Lee, Jae Sung
Eco-friendly Catalysis and Energy Lab
Research Interests
  • Photocatalytic water splitting, artificial photosynthesis, fuel cells, heterogeneous catalysis

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XAFS study of Mn-Ni/Al2O3 catalyst for carbon dioxide reforming of methane

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Title
XAFS study of Mn-Ni/Al2O3 catalyst for carbon dioxide reforming of methane
Other Titles
XAFS study of Mn-Ni/Al2O3 catalyst for carbon dioxide reforming of methane
Author
Choi, Sun HeeSeok, Seung-HoLee, Jae Sung
Keywords
XAFS; Mn-Ni/Al2O3 catalyst; carbon dioxide reforming of methane
Issue Date
2001-03
Publisher
WILEY-BLACKWELL
Citation
JOURNAL OF SYNCHROTRON RADIATION, v.8, no., pp.596 - 598
Abstract
As an effective catalyst for carbon dioxide reforming of methane, manganese-promoted Ni/Al2O3 catalyst was studied with XAFS. The catalysts after the reduction above 1073 K contained the metallic nickel, and several phases of manganese were shown by XANES and EXAFS. Results of EXAFS curve fitting indicated that the surface of large metallic nickel particles was partly covered with patches of MnO and metallic Mn. Radial structure function (RSF) of Mn K-edge showed the peaks due to Mn-Ni scattering without Mn-Mn scattering, indicating that the metallic manganese was attached to nickel in a highly dispersed state. Separate manganese phase was also formed without interaction with nickel
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DOI
10.1107/S0909049500016198
ISSN
0909-0495
Appears in Collections:
ECHE_Journal Papers
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