Journal
CATALYSIS SCIENCE & TECHNOLOGY
Volume 6, Issue 3, Pages 851-862Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cy00893j
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Funding
- National Basic Research Program of China (973 Program) [2011CB201202]
- National Natural Science Foundation of China [21476145]
- Australian Research Council (ARC) [DP130101870]
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It has been a great challenge to develop an efficient and stable catalyst for dry reforming of methane with carbon dioxide. A new catalyst was synthesized with the catalytically active component in both the lattice and on the surface of the mesoporous support. A remarkable improvement in the catalytic performance of Ni nanocrystals assembled inside pore channels of mesostructured Ni-doped ceria was observed. The initial activity and long-term stability of the sample substantially surpassed that of samples without the intermixed oxide and/or a nonporous architecture, even though the latter was more available. Such an effect concerning a collaborative function stemming from a mesostructure and solid solution has been rarely reported previously in catalysis involving CeO2. We believe that this finding might be of a very generic character and be extended to lots of similar fields. It is expected that the results here can spur experimental and theoretical investigation to promote fundamental comprehension of host-guest or metal-oxide interplay in CeO2-based composite materials.
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