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|Title:||Enhanced catalytic properties of La-doped CeO2 nanopowders synthesized by hydrolyzing and oxidizing Ce46La5C49 alloys|
|Keywords:||Cerium lanthanum carbide;La-doped CeO2 nanopowders;Hydrolyzing and-oxidizing;CH4 catalytic performance|
|Publisher:||H. : ĐHQGHN|
|Abstract:||The Ce46La5C49alloy wasfirst prepared in a 25 kg vacuum induction melting furnace. The La-doped CeO2 nanopowders were then prepared by hydrolysis and oxidation of Ce46La5C49at room temperature. These nanopowders were calcinated at different temperatures in order to improve their catalytic activities. The lanthanum ions were used to partially replace the cerium ions in the CeO2lattice, forming a solid so-lution of cerium lanthanum. Compared to the pure CeO2, the thermal stability of La-doped CeO2was increased due to the lanthanum doping. The La-doped CeO2nanopowders show enhanced CH4catalytic performance|
|Appears in Collections:||Advanced Materials and Devices|
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