Obtaining graphene with adhesive tape; graphene/the rest ratio

[EbalOsla]

Why can't the Novosiolov and Geim's method of getting graphe (with an adhesive tape) be upscaled to manufacturing?
It is said "because this method is based on the handwork", but aren't we really able to do this, for example, with robotics as an iterative process?
I guess, there is a problem with how many graphene emerges on the tape after a process.
Can you, please, name, what is an approximate ratio of tape's graphene square to the square of the rest of the carbon on the tape?

 

[berkeman]

Can you please post some links to what you are talking about? Thanks.

 

[EbalOsla]

Can you please post some links to what you are talking about? Thanks.

"They used a simple but effective mechanical exfoliation
method for extracting thin layers of graphite from a graphite crystal with Scotch tape and
then transferred these layers to a silicon substrate." [ https://www.nobelprize.org/prizes/physics/2010/advanced-information/ ]

The original Novosiolov and Geim's paper: https://www.science.org/doi/10.1126...=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed

 

[Tom.G]

There are two articles in the 11 October 2024 issue of Science magazine
( VOL 386 ISSUE 6718, pgs. 138-143 and pgs. 144-145)
that cover the current State-of-the-Art.

The first is COMING OF AGE by Mark Peplow
Then Graphene, beyond lab benches by Yixuan Zhao and Li Lin
(the second article has DOI 10.1126/science.ads6781)

They at least partially explain that the Scotch tape method is not being used because the Graphene particles it yields are of microscopic size; fine for lab investigation but not big enough to be useful out in the 'real world.'

Cheers,
Tom

 

[EbalOsla]

There are two articles in the 11 October 2024 issue of Science magazine
( VOL 386 ISSUE 6718, pgs. 138-143 and pgs. 144-145)
that cover the current State-of-the-Art.

The first is COMING OF AGE by Mark Peplow
Then Graphene, beyond lab benches by Yixuan Zhao and Li Lin
(the second article has DOI 10.1126/science.ads6781)

They at least partially explain that the Scotch tape method is not being used because the Graphene particles it yields are of microscopic size; fine for lab investigation but not big enough to be useful out in the 'real world.'

Cheers,
Tom

Thank you!