Recently, researchers led by Prof. XU Wen from the Institute of Solid State Physics of the Hefei Institutes of Physical Science (HFIPS), along with their collaborators from the Southwest University in Chongqing, applied the Terahertz time domain spectroscopy (THz TDS) to study the optoelectronic properties of fluorescent carbon quantum dots (FQCDs).
source https://phys.org/news/2020-12-scientists-insulator-to-semiconductor-transition-fluorescent-carbon.html
