Photophysical and electrochemical properties of BODIPY dimers.
| Molecule | ε (M−1 cm−1) | λ max (nm) | λ max (nm) | Φ FLUO | Φ Δ | E(A/A˙−)f | E(A˙+/A)f |
|---|---|---|---|---|---|---|---|
| BDP-Mon a 54 | 82 000 | 534 | 540 | 100% | ≤ 0.1 | — | — |
| BDP-3-BDP a 54 | 64 400 | 492 | 648 | 71% | 40% | — | — |
| 73 600 | 565 | ≪10%d | |||||
| BDP-2-BDP b 55 | n.r. | 515 | 588 | 3% | 46% | — | — |
| BDP-8-BDP b 55 | n.r. | 514 | 527 | 31% | 51% | — | — |
| (Me2-BDP)-Ph-(Me2-BDP) b 56 | n.r. | 515 | 538 | 9.7% | n.r. | −0.91c | +1.40ce |
| (Me2-BDP)-8-(Me2-BDP) b 56 | n.r. | 526 | 585 | 35% | n.r. | −0.73 | +1.42ce |
| −0.92c | +1.60ce |
a
In toluene.
b
In CHCl3.
c
In DCM.
d
In MeCN.
e
Chemically irreversible electron transfer process.
f
In V vs. SCE.