Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
They are semiconductors, they are manufactured by doping a crystalline substrate so that the material has a p+ and e- regions. Then as the electrons flow across the bandgap between the conduction and valence band photons are emitted. The wavelength of the photon increases with the bandgap.
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