Production of reduced graphene oxide by UV irradiation.

Herein, we report on a self-photocatalytic reduction (SPCR) strategy toward the production of reduced graphene oxide (GO), carried out by UV irradiation of GO dispersion in the presence of N,N-dimethylformamide (DMF) serving as an electron donor (ED). It is found that a stable dispersion of rGO is produced by UV irradiation of GO solution in the presence of DMF. The use of natural sunlight as driving force for such SPCR reaction is also demonstrated.