Single-Crystalline La0.6Sr0.4CoO3-δ Nanowires/Nanorods Derived Hydrothermally Without the Use of a Template: Catalysts Highly Active for Toluene Complete Oxidation

摘要

Single-crystalline nanowires and nanorods of cubic perovskite-type La0.6Sr0.4CoO3-δ oxides have been fabricated by a hydrothermal method and characterized by a number of analytical techniques. Compared to the polycrystalline La0.6Sr0.4CoO3-δ catalyst, the single-crystalline materials exhibit much better catalytic activity for the complete oxidation of toluene. The excellent performance can be attributed to the distinct oxygen nonstoichiometry and single-crystalline structure of the materials.