Measurements carried out by Dr. L. Prodi (Universitą degli Studi di Bologna).
Compound |
|
l / nm (e / M cm) |
|
||
253 |
528 (11000) |
564 (15000) |
408 (190000) |
||
256 |
528 (11000) |
564 (15000) |
408 (190000) |
||
257 |
538 (19000) |
574 (10000) |
410 (380000) |
||
258 |
536 (27000) |
567 (21000) |
413 (520000) |
||
259 |
536 (27000) |
567 (21000) |
413 (520000) |
||
Table A2.1
Absorption spectra of selected compounds in DCM solution.
Fluorescence Phosphorescence
|
|
298 K |
|
77 K |
|
77 K |
|||
|
l / nm |
t / ns |
l / nm |
t / ns |
l / nm |
t / ns |
|||
257 |
583 |
1.6 |
584 |
2.0 |
717 |
75 |
|||
258 |
583 |
0.4 |
582 |
0.4 |
- |
- |
|||
259 |
582 |
0.4 |
583 |
0.4 |
- |
- |
|||
Table A2.2
Luminescence properties of selected compounds in DCM solution. Compounds 253 and 256 were non-luminescent.