Morphology-directed synthesis of Co_3O_4 nanotubes based on modified Kirkendall effect and its application in CH_4 combustion

摘要

We reported the morphology-directed synthesis of Co_3O_4 nanotubes via interfacial reaction of NaOH with pre-fabricated CoC_2O_4 2H_2O nanorods based on modified Kirkendall effect. The as-obtained Co_3O_4 nanotubes showed excellent activity and durability in catalytic combustion of CH_4.