Practicing Success
In a p–type semiconductor the acceptor level is situated 57 meV above the valence band. The maximum wavelength of light required to produce a hole will be – |
57 Å $57 × 10^{–3} Å$ 217100 Å $11.61 × 10^{–33} m$ |
217100 Å |
$λ=\frac{hc}{eE}=\frac{6.62× 10^{–34}×3×10^8×10^{10}}{1.6×10^{-19}×57×10^{-3}}Å=217100Å$ |