Researchers Constructed Atomically Chemical Sensors and Thin Gas


Published Date : Feb 20, 2015

A bit recent innovation of Graphene, a two-dimensional layered material having unusual and attractive electronic, and thermal, and optical properties, had led scientists to find for other atomically thin materials with exclusive properties. Molybdenum disulfide is considered as to be one of the most promising thin materials. 

The UC Presidential Chair and professor of electrical and computer engineering at UC Riverside, Mr. Alexander Balandin, who is the lead researcher on the project, stated, that the sensors are everywhere as of now, which include in smart-phones and other portable electronic gadgets. The sensors they innovated are small, highly selective and sensitive, thin, making them ideal for many applications.

Mr. Balandin and the graduate students in his laboratory created the atomically chemical vapor sensors and thin gas from molybdenum disulfide and had tested them in partnership with the researchers at the Rensselaer Polytechnic Institute situated in Troy, New York. The devices possess two-dimensional channels that are great for sensor applications due to the high surface-to-volume ratio and largely tunable concentration of electrons.

The researchers showed that the sensors that they call molybdenum disulfide thin-film field-effect transistors (TF-FET), can especially detect acetonitrile, ethanol, toluene, methanol vapors, and chloroform.