Fig. 2
From: Reducing friction in machine oil via cesium-hybridized graphene oxide quantum dot additives
FTIR spectra and the corresponding functional group frequencies of Cs-GOQDs, along with a schematic illustration depicting the conversion process of Citric Acid to functionalized GOQDs. (a) GOQDs and (b) Cs-GOQDs aligned with schematic conversion of Citric Acid to Functionalized Cs-GOQDs.
