16 Marks] 3. Pyrene and 1-bromopyrene have the following parameters: 0.72 530 0.9
16 Marks] 3. Pyrene and 1-bromopyrene have the following parameters: 0.72 530 0.9<0.001 0.39 0.032 0.17 0.085 0.004 F- fluorescence; P- phosphorescence Construct a Jablonski Diagram for Pyrene at 77K; Why is the lifetime for Phosphorescence longer than that for Fluorescence? Why does the fluorescence quantum yield increase with decreasing temperature? Why is the phosphorescence quantum yield higher in 1-bromopyrene? a. b. c. d.
16 Marks] 3. Pyrene and 1-bromopyrene have the following parameters: 0.72 530 0.9