Calculate the intrinsic fluorescence lifetime τ0 from the following decay curve if the quantum yield is 0.5.
Before you start the problem, please note how much time has elapsed for one natural log unit decay in
fluorescence intensity to occur.
Time in nsec. 0 2 4 6 10 14 20 30
Fluor intensity, I 1 0.82 0.67 0.55 0.37 0.25 0.14 0.0