ZnSc 2 S 4 exhibits a direct bandgap and can emit light from orange to blue. Its composition can be chemically tuned to switch between n-type and p-type conduction over nine orders of magnitude, ...
A semiconductor is a material or device that only conducts electricity under certain conditions. Some elements in the periodic table, such as carbon, silicon, and germanium, are intrinsic ...
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Spinel-type sulfide semiconductors achieve room-temperature light emission across violet to orange spectrum
A spinel-type sulfide semiconductor that can emit light from violet to orange at room temperature has been developed by researchers at Science Tokyo, overcoming the efficiency limitations of current ...
Scientists demonstrate double charge carrier type switching of tin SnSe semiconductor by doping of antimony Sb. The SnSe carrier type switches from p-type to n-type, and re-switches to p-type as ...
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Concentration‑controlled doping turns a p‑type polymer semiconductor into its n‑type counterpart
A South Korean research team has, for the first time, uncovered the molecular-level mechanism by which trace amounts of impurities—known as dopants—can reverse charge polarity in organic polymer ...
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