A simple one-step process that produces both n-type and p-type doping of large-area graphene surfaces could facilitate use of the promising material for future electronic devices. The doping technique ...

The carrier concentration and conductivity in p-type monovalent copper semiconductors can be significantly enhanced by adding alkali metal impurities. Doping with isovalent and larger-sized alkali ...

French scientists have studied the fabrication of silicon heterojunction cells with p-type wafers. With the adoption of gallium doping, the p-type products could come close to matching the performance ...

Single-walled carbon nanotubes (SWCNTs) possess advantages of high thermal stability, high flexibility, lightweight, easy controllable doping level. Their thermoelectric properties are almost ...

Scientists at Germany’s Fraunhofer Institute for Solar Energy Systems (ISE) have investigated gallium-doping in p-type silicon wafers as a route to better performance. Testing these specially produced ...

Engineers have created a means of vastly increasing the speed and efficiency of a key doping process for perovskite solar cells, one that also sequesters CO2. Perovskite solar cells have progressed in ...

Many modern electronic devices we use daily owe their existence to the process of semiconductor doping. Doped semiconductors are the result of careful modifications ...

Major processes in semiconductor wafer fabrication: 1) wafer preparation, 2) pattern transfer, 3) doping, 4) deposition, 5) etching, and 6) packaging. The process of creating semiconductors can be ...

Doping in semiconductors is adding a small amount of impurities into a very pure semiconductor material. It might sound strange to add impurities on purpose, but this is a critical to make ...

(Nanowerk News) The carrier concentration and conductivity in p-type monovalent copper semiconductors can be significantly enhanced by adding alkali metal impurities, as shown recently by Tokyo Tech ...