Scientists develop graphene sensors that could revolutionise the Internet of Things

January 8, 2018, University of Manchester
Credit: University of Manchester

Researchers at The University of Manchester have devised graphene sensors embedded into RFIDs, which have the potential to revolutionise the Internet of Things (IoT).

By layering graphene-oxide (a derivative of graphene) over graphene to create a flexible heterostructure the team have developed humidity for with the ability to connect to any wireless network.

Graphene was the world's first two-dimensional material isolated in 2004 at The University of Manchester, it is stronger than steel, lightweight, flexible and more conductive than copper.

Since then a whole family of other 2-D materials have been discovered and continues to grow.

Using and other 2-D materials, scientists can layer these materials, similar to stacking bricks of Lego in a precisely chosen sequence known as van der Waals heterostructures to create high-performance structures tailored to a specific purpose.

As reported in Scientific Reports, the groundbreaking nature of this development is that such sensors can be printed layer-by-layer for scalable and mass production at very low cost. The device also requires no battery source as it harvests power from the receiver.

Sensors with a RFID enabler are at the heart of the IoT. This new development can provide various applications such as battery-free smart wireless monitoring for manufacturing processes that are sensitive to moisture, food safety, healthcare and nuclear waste.

Credit: University of Manchester

The developed technique has the potential to simplify how the information is gathered through its wireless system, nor is it is limited to a particular wireless network and has the ability to be compatible with networks including WiFi and 5G.

Dr. Zhirun Hu who led the work said, "The excitement does not end with this new application here, but leads to the future possibilities of integrations of this technique with other 2-D materials to open up a new horizon of wireless sensing applications."

Professor Sir Kostya Novoselov, who won the Nobel Prize in Physics and coordinated the project, added, "It is the first example of the printable technology where several 2-D materials come together to create a functional device immediately suitable for industrial applications. The Internet of Things is the fast growing segment of technology, and I'm sure that 2-D will play an important role there."

Explore further: Water-based, biocompatible 2-D inks for printed electronics

More information: Xianjun Huang et al. Graphene Oxide Dielectric Permittivity at GHz and Its Applications for Wireless Humidity Sensing, Scientific Reports (2018). DOI: 10.1038/s41598-017-16886-1

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Eikka
5 / 5 (1) Jan 08, 2018
What would revolutionize IoT is for someone to find a genuine point for it.
PTTG
5 / 5 (1) Jan 08, 2018
The main effect the IoT has had so far is to produce a whole lot of free, poorly-secured bots.
TheGhostofOtto1923
not rated yet Jan 08, 2018
What would revolutionize IoT is for someone to find a genuine point for it
In the future everything will be tagged. Thieves wont be able to steal anything without being caught. And then they will be tagged as well.

Most humans will contain sensor networks supplying central AI with realtime data on everything from location to physiology, metabolism, emotion, blood chemistry, materials injested, etc. Medicine will advance unimaginably by digesting this data and finding out what really makes us sick.

Of course anyone who opts out of this can expect to pay exorbitant insurance rates.

Assaults will be detected in realtime and criminals caught immediately.

The purpose of all this is of course to protect people from themselves. In the future crime will be impossible.
PTTG
5 / 5 (1) Jan 09, 2018
Benjamin Franklin said "Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety." But on the other hand, trading privacy in exchange for freedom from false accusation, freedom from preventable disease, freedom from the tyranny of genetics, and integrated emergency contact would all in all be pretty nice.

And I wouldn't worry about insurance rates. We'll have single-payer healthcare as soon as all the libertarians stop whining.
Elmo_McGillicutty
not rated yet Jan 09, 2018
Cheap networking of sensors will be great for agriculture and husbandry.

Land, sea, and space battlefields too. Medicine also. Transportation. What aspect will it not help?

MR166
not rated yet Jan 09, 2018
Otto in an ideal world with ideal people forming an ideal government these tags would be acceptable, acceptable but useless. In the hands of normal humans the potential for abuse is staggering. Just as an example, you and 100 other people assemble in a hall to hear a speaker. Two years later that person is deemed to be a threat to the established government. Guess what, you and you family are dragged in for questioning because your presence was recorded.

Far fetched eh, I don't think so.
MR166
not rated yet Jan 09, 2018
Can't happen here right. Just a few short years ago when the Tea Party first started the FBI issued a report claiming that right wing Christians represented the biggest terror threat to the US.
MR166
not rated yet Jan 10, 2018
History has a way of repeating itself. Today in much Europe to express negative views on Muslim immigration is considered "Hate Speech" and is legally punishable. Even companies like twitter can be fined millions for publishing users views that are contrary to government policy.

Do any of you history buffs remember something like that happening in the not to distant past?

PTTG
not rated yet Jan 11, 2018
Yeah, the people singling out a Abrahamic religious creed as a scapegoat were definitely a major problem in the last century. Are you one of them?
MR166
not rated yet Jan 11, 2018
"Yeah, the people singling out a Abrahamic religious creed as a scapegoat were definitely a major problem in the last century. Are you one of them?"

Sorry but the muslims are the only sect, that I know of, currently carrying out a world wide jehad other than the deep state of which I am critical of also.
MR166
not rated yet Jan 11, 2018
And yes I am singling them out. What other sect is carrying out mass murders and raping women as part of their religion?
MR166
not rated yet Jan 11, 2018
The whole open borders concept borders on self immolation. Show me one country that still exists today that does not regulate immigration. To make matters worse some feel that it is the states duty to feed and house immigrants. Whole areas in Europe and the US are No Go Zones where the host countrie's laws cannot be enforced. Suppose there were no borders. Hundreds of millions of immigrants would migrate to the west creating vast slums overwhelming the local ecology, culture and mores.

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