Give me your best explanation on graphene carbon metal will give brainliest

Graphene is a semimetal with small overlap between the valence and the conduction bands. It is an allotrope of carbon consisting of a single layer of carbon atoms arranged in a hexagonal lattice (figure 1).It is the basic structural element of many other allotropes of carbon, such as graphite, diamond, charcoal, carbon nanotubes and fullerenes.

Graphene Carbon along metal:

Metal oxides such as TiO2 and ZnO are large-band-gap  semiconductors, and they are photocatalytically active under  UV irradiation. These oxides are capable of interacting with  graphene oxide via carboxylic acid functional groups. Thus, mixing of two suspensions of GO and TiO2 or ZnO  results in the binding of oxide particles to graphene oxide flakes. These particles remain suspended in suspension,  minimizing any aggregation effects.

Graphene Oxide-Metal Nanoparticle Composites

Reduced  graphene oxide serves as a support material to stabilize  metal nanoparticles. For example, the synthesis of silver and  gold nanoparticles stabilized by graphene oxide sheets has  been reported by several research groups.These  composites have also been assembled as ultrathin films using  a layer-by-layer self-assembly technique.30 The procedure to  make these composites consists of mixing of GO and a metal  salt solution (AgNO3, HAuCl4, or H2PtCl6) and adding a dilute  borohydride solution. The chemical reduction process  reduces both GO and metal ions. The RGO acts as a support  to stabilize metal nanoparticles.

The resulting G-carbon composite exhibited competitive catalytic activity  and superior methanol tolerance compared to a commercial Pt/C catalyst. Furthermore, it demonstrated significantly higher catalytic efficiency than a Pt/C catalyst.

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