期刊
ADVANCED FUNCTIONAL MATERIALS
卷 17, 期 4, 页码 637-643出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.200600657
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Carbon nanofibers produced by hydrothermal carbonization display remarkable reactivity and the capability for in situ loading with very fine noble-metal nanoparticles of metals such as Pd, Pt, and Au. Large quantities of uniform carbon nanofibers embedded/confined with various kinds of noble-metal nanoparticles can be easily prepared, resulting in the formation of the so-called uniform and well-defined hybrid fleece structures. In addition, a general method has been developed to synthesize uniform silica nanotubes embedded/confined with noble-metal nanoparticles by using the hybrid fleece consisting of carbon nanofibers loaded with noble-metal nanoparticles as a template. To the best of our knowledge, the filling of silica nanotubes with a dense population of noble-metal nanoparticles has not been demonstrated so far. These hybrid carbon structures embedded with noble-metal nanoparticles in a heterogeneous fleece geometry serve as excellent catalysts for a model reaction involving the conversion of CO to CO2 at low temperatures.
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