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Question

Which compound is used in making LED?


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Solution

L.E.D:

  • L.E.D stands for the light emitting diode.
  • It emits light when the current flows through a semiconductor.

Compounds/Materials in L.E.D:

  • Some metals that are used in L.E.D are arsenic, indium as well as gallium.
  • The compound that is used for making LED is Gallium arsenide phosphide (GaAs1-xPx).

Gallium arsenide phosphide:

  • It is an alloy of gallium arsenide and gallium phosphide.
  • Gallium arsenide phosphide is used for manufacturing different colored LEDs such as orange, red, or yellow.

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