Table 1 XPS data of GO.

From: Competition Between Resonant Plasmonic Coupling and Electrostatic Interaction in Reduced Graphene Oxide Quantum Dots

GO

Peak BE (eV)

At.%

Bond

C1s

285.5

48.8

C-C and C = C

C1s

287.6

44.3

C-O (epoxy, hydroxyl groups)

C1s

289.5

6.9

C = O (carbonyl groups)

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