Scientists Develop Graphene Sensors that Could Revolutionize the Internet of Things

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 sensors for remote sensing with the ability to connect to any wireless network.

The Internet of Things is the fast growing segment of technology, and I'm sure that 2-D materials will play an important role there."

Using graphene 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.

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

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.

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.

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."

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.

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