“Atomically thin” transistors can help make electronic skin a reality

Electronic skin Only when it is thin enough to be almost unobtrusive will it truly become practical, and scientists may have just achieved this breakthrough.Researchers at Stanford University developed A new technology that can produce “atomically thin” transistors less than 100 nanometers long. According to the university, this is “several times” shorter than the previous best result.

The team achieved this feat by overcoming long-standing obstacles in flexible technology. Although “two-dimensional” semiconductors are ideal, they require a lot of heat to melt flexible plastics. The new method covers the glass-coated silicon, and the ultra-thin semiconductor film (molybdenum disulfide) covers the nano-patterned gold electrode. This produces a film that is only three atoms thick at temperatures close to 1,500 degrees Fahrenheit—a traditional plastic substrate will deform at around 680 degrees Fahrenheit.

Once the components have cooled, the team can attach the film to the substrate and take some “extra manufacturing steps” to create an overall structure about 5 microns thick, or one-tenth the thickness of a human hair. It is even ideal for low-power use because it can handle high currents at low voltages.

There is more work to be done. Researchers both hope to improve flexible technology, but also hope to include wireless technology, so that the network can be achieved without cumbersome hardware. This also ignores the common challenges of this type of technology-inventors need to find a way to mass-produce these transistors at a reasonable price. However, if successful, this may lead to an efficient electronic skin, Implants And other flexible devices that are almost imperceptible.

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