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Table 2 Results of contact angle investigations with the contact angles given in °, as performed for pristine sapphire, a G50/sapphire film (sample G50-17h), a GO/sapphire adsorbate, a GO/G50/sapphire film, and a dried deposit of GO dispersion (intensively rinsed with water)

From: Interfactant action of an amphiphilic polymer upon directing graphene oxide layer formation on sapphire substrates

Sample

As-deposited

Pristine sapphire

76.9 ± 1.1

G50/sapphire

72.2 ± 3

GO/sapphire

65.5 ± 4

GO/G50/sapphire

53.1 ± 2.1

Dried GO dispersion

36 ± 2