The research team published a paper in the new issue of "Science Progress" in the United States. The thickness of this thermal insulation material is only 2 to 3 nanometers, which is composed of one layer of graphene and three layers of layered materials each 3 atoms thick . This structure has a thermal insulation effect by reducing the thermal vibration of atoms. Researchers view the heat generated by electronic products as an "inaudible sound": when current flows through the wire, the electrons will hit the atoms of the material, causing the atoms to vibrate and produce high-frequency sound waves that are not audible to the human ear to guide the heat flow.

Image from Stanford University

Researchers from institutions such as Stanford University in the United States have recently developed a thermal insulation material with a thickness of only 10 atoms, which is 50,000 times thinner than the thermal insulation materials of existing mobile phones and notebook computers, and the thermal insulation effect and thickness are 100 times thermal insulation The glass is quite.

Since both heat and sound are regarded as a kind of vibration, the principle of using glass to insulate and using glass to insulate the recording studio is similar. The researchers got inspiration from the multi-layer glass windows, that is, glass layers with different thicknesses, separated by air layers, which can make the interior warmer and quieter. So they used atomic thickness materials instead of glass to achieve considerable thermal insulation.

Researchers are currently looking for production technologies that can spray or place such ultra-thin materials on electronic components on a large scale, and in the future are expected to make electronic devices more compact and compact.

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