Table 1 Calculated activation energy barriers (in eV) of the correlated diffusion of C- and O-containing precursors on Cu(111) and Cu(100) surfaces.

From: Monolithic graphene oxide sheets with controllable composition

Surface

Monomer

Dimer

Cu(111)

 C

0.223

0.454

 O

0.295

0.485

 C–O

0.105

 C2O

0.633

Cu(100)

 C

2.118

0.883

 O

0.940

1.121

 C–O

0.188

 C2O

0.595