Molybdenum disulfide nanoelectromechanical system ultra-thin ultra-small ultra-low power consumption
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Graphene, a typical material with two dimensions, is widely used and highly sought-after by scientists and the industry. What exactly is a 2-dimensional material? Simple, two-dimensional material is a non-nanoscale (1 to 100 nm) material in which electrons are able to move freely in two directions (planar movement). Examples of such materials include: graphene; boron-nitride; transition metal compounds, (disulfide); Molybdenum; tungsten-disulfide and tungsten-disilicide.
2D materials can be used in a variety of fields. Combining the introductions of both authors, we can list examples such as: spintronics; printed electronics; flexible electronics; microelectronics; memory processors hyperlenses terahertz supercapacitors solar cells security labels. , quantum dots, sensors, semiconductor manufacturing, NFC, medical, etc.
Molybdenum diulfide, also known as MoS2, is a typical 2-dimensional material that deserves our attention. Molybdenum diulfide, which is composed of two atoms of molybdenum with one atom of sulfur, has only three atoms of thickness. The graphene thickness is nearly the same as molybdenum, but graphene has no band gap. The author of a book on this subject once revealed that a team of researchers from the US Department of Energy Berkeley Lab accurately measured band gap of molybdenum sulfide, a semiconductor two-dimensional substance. They also revealed powerful The tuning mechanisms and relationship between electronic and optical properties of 2D materials.
In addition, the molybdenum diulfide has an electron mobility that is 100 cm2 /vs. (100 electrons per centimeter square per volt) - albeit a lot lower than that of the crystal. The silicon has an electron migration rate of about 1400 cm2/vs. However, it is better than amorphous silica and other ultra thin semiconductors.
Molybdenum diulfide, with its excellent semiconductor properties, small size, ultra thin, and softness, is especially suitable for transistors, flexible electronic, LEDs lasers, solar cells.
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