(a) Log-log plot of the normalized (dot curves) and the fitted (solid) curves using a stretched exponential with fitted values for and . , , and were used. The value of is presently unknown and could be much shorter but its choice is not critical. is varied with a fixed . (b) Experimental data of CdSe with a ZnS shell and fitted curves using Eq. (4a) with .
(a) Experimental data approximated by a stretched exponential (solid line). (b) Long-time tail of follows (dot line) where .
(a) Semilog plot of vs for six parameter sets. (b) Universal dependence of according to Eq. (5) over 5 decades of changes. was used in the equivalent expression.
(a) Plot of vs . (b) Semilog plot of vs , showing universal dependence over one decade. was used in this example.
Extraction of , , , , , , , , and .
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