One-pot hydrothermal synthesis of Co(OH)2 nanoflakes on graphene sheets and their fast catalytic oxidation of phenol in liquid phase

[Display omitted] •Co(OH)2–reduced graphene oxide (rGO) was synthesized by a one-pot hydrothermal method.•Phenol degradation rate of Co(OH)2–rGO using peroxymonosulfate was faster than Co(OH)2.•Kinetics of phenol degradation on Co(OH)2–rGO follows a first-order model.•A mechanism for phenol degradat...

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