Research Article

The Effect of External Gaseous Environments on the Photoluminescence Intensity of Quantum-Dimensional Composite System

Table 1

Van-der-Waals constants , nonradiative recombination energies φ, accommodation coefficients α, and times of increasing and decreasing of luminescence for various gases.

External gases Van-der-Waals constant ,
(kg⋅M4)/(Mol⋅sec2)
φAccommodation coefficient, α Times of increasing and decreasing (for vacuum) of luminescence
τ1, secτ2, sec

Xe0.41955.2/410.3813.8 ± 2.6108 ± 16
N2 (dry)0.13955.1/370.2917.6 ± 3.3133 ± 20
Air
 H2O0.546
 О20.13655.5/490.599.4 ± 1.883 ± 11
 СО20.361
Vacuum5 ± 135 ± 5