By comparison, extrinsic semiconductors are composite materials created by treating or infusing intrinsic semiconductors ... has only three electrons to use, a kind of hole is created where ...

A solar cell is made of two types of semiconductors ... or “hole” is created. The n-type silicon is made by including atoms that have one more electron in their outer level than does silicon, such as ...

intrinsic semiconductors are 'pure' semiconductors without added impurities. In the case of silicones, which is a commonly ...

The idea of injecting spin-polarized electrons into organic ... will be important for devices based on the intrinsic magnetoresistance of organic semiconductors and those based on the transport ...