Enhanced catalytic properties of La-doped CeO 2 nanopowders synthesized by hydrolyzing and oxidizing Ce 46 La 5 C 49 alloys

Xueling Hou1,2, Qianqian Lu1,2, Xiaochen Wang1,2
1Laboratory for Microstructures of Shanghai University, Shanghai, 200072, China
2School of Materials Science and Engineering, Shanghai University, Shanghai 200072, China

Tài liệu tham khảo

Kang, 2011, Surface passivation of CeO2 catalyst and its ultraviolet screening effect, J. Nanosci. Nanotechnol., 11, 6448, 10.1166/jnn.2011.4422 Mu, 2013, Synthesis of SiO2/CeO2 nanopaticles with core/shell structure and their polishing performance, Adv. Mater. Res., 683, 30, 10.4028/www.scientific.net/AMR.683.30 Izu, 2002, Resistive oxygen gas sensors based on CeO2 fine powder prepared using mist pyrolysis, Sens. Actuators, B Chem., 87, 95, 10.1016/S0925-4005(02)00224-1 Song, 2008, Electrochemical behavior and polishing properties of silicon wafer in alkaline slurry with abrasive CeO2, Trans. Nonferr Metal. Soc., 18, 178, 10.1016/S1003-6326(08)60032-1 Liu, 2016, The phase evolution, electrical stability and chemical compatibility of sealing glass-ceramics for solid oxide fuel cell applications: effect of La2O3 or CeO2, RSC Adv., 6, 17151, 10.1039/C5RA23357G Liu, 2016, Non-aqueous synthesis of CeO2 nanoparticles using block copolymer micelles as templates and their assembly into porous structures with enhanced catalytic activity, Sci. Adv. Mater., 8, 1053, 10.1166/sam.2016.2698 Rangaswamy, 2015, Rare earth metal doped CeO2-based catalytic materials for diesel soot oxidation at lower temperatures, J. Rare Earth, 33, 1162, 10.1016/S1002-0721(14)60541-X Noon, 2014, Oxidative coupling of methane with La2O3-CeO2 nanofiber fabrics: a reaction engineering study, J. Nat. Gas. Sci. Eng., 18, 406, 10.1016/j.jngse.2014.04.004 Pal, 2015, Catalytic activity of CeIVO2/Ce2IIIO3-silica mesoporous composite materials for oxidation and esterification reactions, Chem. Eng. J., 262, 1116, 10.1016/j.cej.2014.10.068 Bueno-López, 2005, Enhanced soot oxidation by lattice oxygen via La3+-doped CeO2, J. Catal., 230, 237, 10.1016/j.jcat.2004.11.027 Singh, 2016, Synthesis of La-doped ceria nanoparticles: impact of lanthanum depletion, J. Mater. Chem. Sci., 51, 4134, 10.1007/s10853-016-9736-7 Benjaram, 2010, Novel Nanocrystalline Ce1-xLaxO2-delta (x = 0.2) solid solutions: structural characteristics and catalytic performance, Chem. Mater., 22, 467, 10.1021/cm903282w Fernandez-Garcia, 2016, Enhanced hydroxyl radical scavenging activity by doping lanthanum in ceria nanocubes, J. Phys. Chem. C, 120, 1891, 10.1021/acs.jpcc.5b09495 Hou, 2016, Nanocrystalline Ce1−xLaxO2−δ solid solutions synthesized by hydrolyzing and oxidizing, J. Electron. Mater., 45, 2559, 10.1007/s11664-016-4417-5 Mcbride, 1994, Raman and x-ray studies of Ce1-xRexO2-y, where Re = La, Pr, Nd, Eu, Gd, Tb, J. Appl. Phys., 76, 2435, 10.1063/1.357593 Li, 2010, Synthesis of flower-like La or Pr-doped mesoporous ceria microspheres and their catalytic activities for methane combustion, Catal. Commun., 11, 946, 10.1016/j.catcom.2010.04.006