Question

The phosphorescence of excited Ru(bpy)3 is quenched in the presence of dissolved molecular oxygen. Below is...

  1. The phosphorescence of excited Ru(bpy)3 is quenched in the presence of dissolved molecular oxygen. Below is the data for the phosphorescence lifetime with various concentrations of dissolved oxygen. Determine the rate of quenching for this process.

[O2]

0

0.5

1.0

6.0

10.0

t (ns)

24.0

0.0852

0.0427

0.0071

0.0043

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