Preparation of La<sub>2</sub>Zr<sub>2</sub>O<sub>7</sub> composite oxides with fluorite/pyrochlore phases by excluding element influences for catalyzing oxidative coupling of methane
Junwei Xu, Xusheng Zhong, Rumeng Ouyang, Ying Gong, Yameng Liu, Xianglan Xu, Xiuzhong Fang, Xiang Wang
Abstract
The lower the Zr–O bond force constant, the greater the O 2 − + O 2 2− species and basic site amounts, and the higher the C 2 yield.
Topics & Concepts
PyrochloreFluoriteOxidative coupling of methaneOxygenCatalysisCrystal structureAdsorptionMethaneInorganic chemistryMaterials sciencePhase (matter)FluorineChemistryCrystallographyPhysical chemistryBiochemistryMetallurgyOrganic chemistryCatalysis and Oxidation ReactionsNuclear materials and radiation effectsAdvanced Condensed Matter Physics