Nanotubes for the generation of light
2005/11/21 Roa Zubia, Guillermo - Elhuyar Zientzia
The passage of electricity by carbon nanotubes allows generating light. For this purpose, nanotubes, long tubular molecules, must be placed on other metal structures, some parts of the molecule in contact with metal and others not. In this position, the nanotubes emit infrared light by passing through the nanotubes of an electric current with a certain voltage. This light is emitted from the limit of the contact between the nanotube and metal and, although it requires a complex technology, could be substitutive of the LED diodes, that is, of the small red lights used in electronic devices. Those made through nanotubes emit a high intensity light, ten thousand times more intense than that emitted by an LED diode with the same current.
Image: Image: Liz Kalaugher
