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Figure 4 | Nanoscale Research Letters

Figure 4

From: On the nature of the stretched exponential photoluminescence decay for silicon nanocrystals

Figure 4

Effective decay rate probability density functions. Power-like dependence may be observed for higher decay rates (a) in log-log scale. The distribution broaden significantly with the increase of r H. Shift of the distribution is visible (b) together with average decay time drop and E U rise for higher r H (inset). The normalization in (b) was carried out in a manner exposing distributions broadening while in (a) the function Φ(k) is properly normalized probability density function.

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