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(Funded by the National Institutes of Health and the U.S. National Science Foundation)
Researchers from Carnegie Mellon University and the University of Southern California have devised a method to create large amounts of a material that can be used to make two-dimensional (2D) semiconductors with record high performance. That material, tellurium, has a fast conducting speed and is stable in the air, so it does not easily degrade. The researchers used 2D tellurium to create an ultralight-weight photodetector – a device that can detect light – which is highly tunable, allowing its parameters to be changed so it can be used in a variety of applications, a property that is not true of other photodetectors.
