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Table 1

Mean lifetimes τ, first and second components τ1 and τ2 and their associated intensity Ii. Italic values of τ2 indicate fixed parameters during the decomposition. Reduced chi-squares F.V. are given for each fit. Bulk lifetimes were calculated from the experimentally measured data according to the standard trapping model [13].

Sample Mean τ (ps) τ1 (ps) I1 (%) τ2 (ps) I2 (%) F.V. τbulk (ps) calc.
Std Opt2 center 188 159 69.10 252 30.90 1.0315 179
  189 170 85.13 300 14.87 1.0318 182
Sdt Opt2 rim 189 158 66.30 250 33.70 1.0217 180
  191 171 84.78 300 15.22 1.0305 183
ADOPT center 218 218 100     1.0064  
  218 208 75.50 250 24.50 1.0045  
  218 213 94.00 300 6.00 1.0035  
ADOPT rim 221 221 100     1.0349  
  222 218 88.50 250 11.50 1.0673  
  221 220 98.29 300 1.71 1.0368  

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