Multiple choice

Compound used in deep ultraviolet optoelectronics is

  1. aluminium isopropoxide

  2. aluminium magnesium boride

  3. aluminium nitrate

  4. aluminium nitride

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Aluminium nitride (AlN) is a nitride of aluminium. Its wurtzite phase (w-AlN) is a wide band gap (6.2 eV) semiconductor material, giving it potential application for deep ultraviolet optoelectronics.