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devonsolomon | 1 year ago

Graphene seems to be like a hotshot actor who lands a million auditions but somehow never makes it past a walk-on role in a toothpaste commercial.

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gaze|1 year ago

There’s a few reasons for this. There’s a few ways to make graphene. You can use CVD or you can use mechanical exfoliation. Mechanical exfoliation requires scotch tape and scales to maybe a flake per hour per grad student. CVD is quite scalable but makes shitty graphene. A lot of graphene breakthroughs (superconductivity for instance) needs mechanically exfoliated graphene.

Secondly, process fab is VERY conservative. There’s numerous amazing ferroelectrics that you can grow tons of that would absolutely spank NAND flash. However, they’re not silicon fab, so nobody makes them.

tbrownaw|1 year ago

> There’s numerous amazing ferroelectrics that you can grow tons of that would absolutely spank NAND flash. However, they’re not silicon fab, so nobody makes them.

So why doesn't somebody new start making them and put all the current flash producers out of business?

Uehreka|1 year ago

> scotch tape

Is there actually a special property of scotch tape that makes it the ideal candidate over some more specialized industrial adhesive? Or are these references to scotch tape generally just references to the fact that you _can_ use scotch tape like the original graphene experiment?

dehrmann|1 year ago

But scotch tape is nearly as cheap as grad students.

XorNot|1 year ago

It's because it's just about impossible to handle: the number one thing a sheet of graphene wants to do is stick another sheet of graphene on top of it and become...regular graphite.

dmead|1 year ago

Well someone needs to tell graphene so stop fucking it's coworkers and get back to set

api|1 year ago

It takes a long time to go from lab bench and physics papers to practical use to mass produced and generally available practical use.

Graphene has incredible properties as a structural material too but so far producing it at that scale and making it behave properly in things like composites has been very hard. But the physics says once we get it to work we have composites many times stronger than steel or materials like Kevlar.

tliltocatl|1 year ago

The kids these days are so spoiled. Silicon doping was discovered like when? And how long did it take to make a practical transistor? Seriously through, it's not every new discovered phenomena owes you something.

BiteCode_dev|1 year ago

20 years.

And we have been able to produce graphene around 2004 I believe, so we are going soon to cross that threshold.

dtgriscom|1 year ago

I've been watching technology for the last fifty+ years, and I had the same (admittedly unfair) reaction as the OP.

devonsolomon|1 year ago

True. Guess I’m disheartened by years of clickbait.

brightball|1 year ago

The reason is that it’s very difficult to get a consistent product from mining, from what I have heard.