“Not only did it result in high-quality graphene, but it also demonstrated a remarkable ability to selectively recover silver from photovoltaic waste ... indium tin oxide (ITO), zinc oxide ...

has developed a type of sponge made of graphene oxide and chitosan, that can be used to extract gold from electronic waste.

The water electrolytic oxidation of graphite is a low-cost sustainable synthesis method for the large-scale production of graphene oxide (GO ... materials synthesis, waste upcycling and ...