Figure 3
From: Intrinsic radiative lifetime derived via absorption cross section of one-dimensional excitons
Temperature-dependent time-resolved PL measurements of the 100-period T-shaped quantum wires.
(a) Temperature dependence of the integrated PL intensities obtained using stem continuum excitation and arm continuum excitation. The intensities decrease significantly at temperatures greater than 60 K, where the non-radiative processes dominate. (b) Radiative lifetimes of excitons in T-wires measured at various temperatures from 5 K to 80 K. The results are well fitted by τ(T) = 0.11
, which is indicated by the solid line. Arb. units is an abbreviation of arbitrary units.
