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Recently, MIT engineers have developed a production process that can be industrialized and large-scale to manufacture high-quality graphene, and the graphene membrane produced by this method is suitable for filtering various molecules, which can be applied to desalination, biological separation and other fields
.
The paper ("Scalable Routes for Large Area Atomic-Scale Thin Graphene Films Cast by Roll-to-Roll Chemical Vapor Deposition and Polymer Support Casting") was published in Applied Materials and Interfaces
.
Hart is the senior author
of the paper.
John Hart, associate professor of mechanical engineering and director of MIT's Manufacturing and Productivity Laboratory, said researchers have for years thought graphene is a potential material
for producing ultrafilms.
We believe this is the first study to tailor the manufacture of graphene to a membrane application, which requires that the graphene material be seamless, completely cover the substrate, and be of high
quality.
For many researchers, graphene is well suited for filtration membranes
.
A single piece of graphene resembles a fine, atom-like wire of metal and is made up of carbon atoms, which are connected in a pattern, making the material so tough that even the smallest atom, helium, does not pass through
.
Researchers including Karnik's group have developed techniques to fabricate graphene films and precisely distinguish them from tiny pores or nanopores whose dimensions can be customized to filter specific molecules
.
Graphene-based membranes are mainly produced in small batches in the laboratory, and researchers can carefully control the growth conditions
of the material.
However, Hart and his colleagues believe that if graphene films are to be used commercially, they will have to be produced
in large quantities, at high rates, and with reliable performance.
Recently, MIT engineers have developed a production process that can be industrialized and large-scale to manufacture high-quality graphene, and the graphene membrane produced by this method is suitable for filtering various molecules, which can be applied to desalination, biological separation and other fields
.
The paper ("Scalable Routes for Large Area Atomic-Scale Thin Graphene Films Cast by Roll-to-Roll Chemical Vapor Deposition and Polymer Support Casting") was published in Applied Materials and Interfaces
.
Hart is the senior author
of the paper.
John Hart, associate professor of mechanical engineering and director of MIT's Manufacturing and Productivity Laboratory, said researchers have for years thought graphene is a potential material
for producing ultrafilms.
We believe this is the first study to tailor the manufacture of graphene to a membrane application, which requires that the graphene material be seamless, completely cover the substrate, and be of high
quality.
For many researchers, graphene is well suited for filtration membranes
.
A single piece of graphene resembles a fine, atom-like wire of metal and is made up of carbon atoms, which are connected in a pattern, making the material so tough that even the smallest atom, helium, does not pass through
.
Researchers including Karnik's group have developed techniques to fabricate graphene films and precisely distinguish them from tiny pores or nanopores whose dimensions can be customized to filter specific molecules
.
Graphene-based membranes are mainly produced in small batches in the laboratory, and researchers can carefully control the growth conditions
of the material.
However, Hart and his colleagues believe that if graphene films are to be used commercially, they will have to be produced
in large quantities, at high rates, and with reliable performance.
