Thin transistors for invisible electronic skin. Free Technical Library News

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Thin transistors for invisible electronic skin

29.06.2021

Scientists have become one step closer to creating a full-fledged electronic skin. To achieve this goal, a special nanocoating was developed that is only three atoms thick, making it virtually invisible to the human eye.

The technology was created by scientists from Stanford. In the future, it will allow the production of transistors with a length of less than 100 nanometers - several times less than the previous record. The breakthrough was achieved by replacing flexible plastic with silicon with an ultra-thin film of molybdenum disulfide coated with nano-coated gold electrodes. The output was a film only three atoms thick, created at a temperature of 815 degrees. The researchers argue that a traditional substrate would deform after reaching 360 degrees.

After the components have cooled, the film is applied to the substrate, and the finished transistor structure will be only 5 microns thick, or one-tenth the diameter of a human hair. Such e-skin is not demanding on power consumption and can withstand high currents at low voltage. It is important to consider that it meets all the requirements for such products: thin and almost invisible.

The next stage of research involves the integration of wireless technologies, which will allow you to connect to the network without additional equipment. In addition, there are plans to create a mass production technique, which in the future will allow us to talk about the emergence of highly efficient electronic skin, implants and other flexible devices.

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