Table 1 Calculated inversion barrier of an oxygen atom at a SW defect through free-standing graphene as a function of the types of attached functional groups

From: Oxidation behavior of graphene-coated copper at intrinsic graphene defects of different origins

Functional group

Oxygen inversion barrier (eV)

without

2.461

1 H

1.700

2 H

1.573

1 OH

1.484

2 OH

1.502

1 O

0.314