Highly porous foams based on graphene oxide functionalized with polyethylenimine are
generated and used with unprecedented efficiency for adsorbing heavy metal ions. A …

By utilizing polydopamine (PD) nano-thick interlayer as mediator, polyethylenimine (PEI)
brushes with abundant amine groups were grafted onto the surface of PD coated graphene …

Three GO-HPEI gels were prepared by a cross-linking reaction of graphene oxide (GO) with
hyperbranched polyethylenimines (HPEIs) with different molecular weight. The GO-HPEI …

Graphene oxide (GO) with oxygen-containing functional groups views a promising
adsorbent to remove cationic pollutants from water. To achieve high removal efficiency of …

A phosphorylethanolamine-functionalized graphene foam (PNGF) has been proposed as an
active filtration material for the capture and removal of heavy metal ions in water. Benefiting …

The pollution of heavy metal ions in water poses a serious threat to human being and
ecosystems. Here, we report polyamidoxime (PAO) brush grafted graphene oxide (GO) as a …

A versatile foam based on Schiff base crosslinking of oxidized nanofibrillated cellulose
(ONFC) with amino modified graphene oxide (NGO) and chitosan (CS) was prepared for the …

The regulated loading of Fe3O4 nanoparticles (NPs) into a graphene nanosheet (NS) matrix
along with the process of reducing graphene oxide (GO) has been achieved via a facile …

Graphene oxide (GO) and its composites have attracted widespread attentions as novel
adsorbents for the adsorption of various heavy metal contaminants. Because of the unique …

Pollution of wastewater with heavy metal-ions represents one of the most severe
environmental problems associated with societal development. To overcome this issue, the …