▎ 摘　　要

NOVELTY - The method involves providing a container (10) containing a liquid (12) and a volume above the liquid. The carbon atoms are supplied to the volume. The carbon atoms are allowed to settle on the surface of the liquid and to coalesce to form the graphene sheet (26). The carbon atoms are coalesced to form several graphene fragments on the surface of the liquid. The graphene fragments are allowed to coalesce to form the graphene sheet. The supply of carbon atoms comprises creating the carbon atoms in the container by photolysis, electrical discharge, decomposition, cracking or fracking. USE - Method of manufacturing graphene sheet used in flexible touch screen for mobile, super-light battery, aerospace composite material and in medical applications. ADVANTAGE - The low volume density of carbon atoms and large inter-atomic distance is required so that carbon atoms do not interact before reaching the surface of the liquid, and so that stacking of carbon atoms does not occur. The process is desirable to use the volume density of carbon atoms as high as possible within the constraints so that reaction rates are increased. DETAILED DESCRIPTION - The container is provided with one source of localized carbon atoms which is moved within the container to control the distribution of carbon atoms on the surface of the liquid. The carbon atoms are created using a carbon containing precursor gas such as a hydrocarbon gas. The carbon atoms are created using particulate graphite as a precursor. The settling is effected by one or more of gravity, condensation, inter-atomic forces, the presence of a gaseous atmosphere in the volume above the liquid, and control of the conditions in the container such as temperature and pressure. The liquid is agitated mechanically or by ultrasound using agitator (24), to allow the carbon atoms and/or graphene fragments to coalesce. The volume above the liquid contains a gaseous atmosphere at a desired pressure. The graphene sheet is removed from the container by draining the liquid from the container and collecting the graphene sheet. The liquid-porous substrate is located within the liquid and acts as a support for the graphene sheet once the liquid has drained through the liquid-porous substrate. The graphene sheet is removed by a roller device. An INDEPENDENT CLAIM is included for apparatus for manufacturing graphene sheet. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of the apparatus for manufacturing graphene sheet. Container (10) Liquid (12) Unwanted material (20) Agitator (24) Graphene sheet (26)