Table 4 Excess charge/GO surface (in mC m−2) on the GO interfacing bulk water (equivalent with opposite sign to the excess charge distributed over the H2O molecules of the bulk).

From: Structure and chemistry of graphene oxide in liquid water from first principles

GO configuration

Excess surface charge (mC m−2)

Semiordered 1

 −2.46

Semiordered 3

 −4.27

Semiordered 4

 −12.96

Average

 −6.56

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