Material Symbol Band gap (ev).302K+ Silicon Silicon carbide 6851 Zinc oxide Aluminium arseni de Alas Zinc sul fide Aluminium antimonide AlSb 1.6 Zinc selenide Aluminium ni tride Diamond Zinc telluride Cadmium sulfide Cds Gallium(III)phosphide GaP Gallium(III) arsenide GaAs Cadmium selenide Cdse Gallium(III) nitride GaN Cadmium telluride Gallium(II)sulfide GaS 2.5 Lead(II) sulfide Pbs Gallium antimonide GaSb ead(II)selenidePbSe Indium antimonide Lead(II) telluride Indium(III)nitride InN 0.7 Copper(II) oxide Indium(III)phosphide InP Copper(I) oxide Indium(III)arsenide InAs Iron disilicide B-FeSi2087