Spray an object with a special spray to turn it into an antenna

Spray an object with a special spray to turn it into an antenna https://i2.wp.com/www.eresviral.com/wp-content/uploads/2018/10/Rociar-con-un-espray-especial-un-objeto-para-convertirlo-en-una-antena.png?fit=260%2C40&ssl=1

Spray an object with a special spray to turn it into an antenna







The expansion of the Internet concept to a multitude of physical objects, which is known as the "Internet of Things", will imply that vehicles, appliances, manufacturing equipment, bridges and other infrastructures, objects of very different types and even livestock, have sensors that send information directly to network servers, thus helping in maintenance and coordination tasks.



But before that becomes a reality, we will have to solve the problem of integrating perfectly the connection technology, that is, the antennas, into flexible and changeable things.



A breakthrough by Kapil Dandekar and Asia Sarycheva of Drexel University in the United States could make installing an antenna on an object as easy as applying an insect spray.



Dandekar and his collaborators have developed a method to generate by spraying antennas so thin that they are invisible to the naked eye. These eye-catching antennas are made of a type of metallic two-dimensional material called MXene, and perform as well as the mini-antennae that are being used in mobile devices, wireless routers and other devices.



The exceptional characteristics of the material allow it to transmit and direct radio waves, even when applied in the form of a very thin coating.







The material called MXene is so efficient in its function that it suffices to spray an object with it to turn it into an antenna. (Photo: Drexel University / Kanit Hantanasirisakul)



Researchers have found that even transparent antennas with thicknesses of mere tens of nanometers are able to communicate efficiently. In the tests carried out, it was found that increasing the thickness up to 8 microns, the performance of the MXene antenna reached 98 percent of its expected maximum value.



Conserving the quality of transmission in such a thin antenna is something remarkable, because it would allow to integrate antennas, and also very easily, in a wide range of objects and surfaces without adding additional weight of circuitry or requiring a certain level of rigidity.



This technology could lead to a truly seamless integration of antennas with everyday objects that will be essential for the emerging Internet of Things, as Dandekar emphasizes.



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