关键公式
\[I_D = I_S(T)\left(e^{V_D/(nV_T)} - 1\right),\qquad V_T = \frac{kT}{q}\]
\[I_S(T)=I_{S0}\left(\frac{T}{T_0}\right)^3\exp\!\left[\frac{E_g}{k}\left(\frac{1}{T_0}-\frac{1}{T}\right)\right],\quad T_0=298.15\,\mathrm{K},\ E_g\approx1.12\,\mathrm{eV}\]