Solve this: Q 2 The energy of a photon of sodium light (λ = 589 nm) equals the band - Physics - Semiconductor Electronics Materials Devices And Simple Circuits

Question

Solve this:
Q 2 The energy of a photon of sodium light ( λ = 589 nm)
equals the band gap of a semiconducting material (a) Find the
minimum energy E required to create a hole-electron pair (b) Find
the value of E/ kT at a temperature of 300 K

Shobhit Mittal · Accepted Answer

Dear Student,λ=589 nmminimum energy required to create the hole electron pair
excite the electron to the conduction band 
E=hcλ=6 626*10-34*3*108589*10-9=0 03375*10-17 Jb EkT=0
03375*10-17 1 38064852 × 10-23*300=81
48RegardsRegards

Solve this: Q.2. The energy of a photon of sodium light ( λ = 589 nm) equals the band gap of a semiconducting material. (a) Find the minimum energy E required to create a hole-electron pair. (b) Find the value of E/ kT at a temperature of 300 K.

Solve this:
Q.2. The energy of a photon of sodium light ( $λ$ = 589 nm) equals the band gap of a semiconducting material. (a) Find the minimum energy E required to create a hole-electron pair. (b) Find the value of E/ kT at a temperature of 300 K.