Table 1.
Optical and electrochemical properties of IDIC and ID-MeIC.
| Acceptor | λmaxsol(a) | λmaxflim(b) | λonsetflim(c) | Egopt(d) | EHOMO (e) | ELUMO (e) | Egcv(f) |
|---|---|---|---|---|---|---|---|
| (nm) | (nm) | (nm) | (eV) | (eV) | (eV) | (eV) | |
| IDIC | 646 | 689 | 741 | 1.67 | −5.71 | −3.60 | 2.11 |
| ID-MeIC | 665 | 741 | 819 | 1.51 | −5.68 | −3.58 | 2.10 |
(a)
Maximum absorption in chloroform solution;
(b)
Maximum absorption at thin film;
(c)
Absorption onset at thin film;
(d)
Optical band gap calculated by the absorption onset of thin film state;
(e)
HOMO/LUMO value calculated from the onset oxidation/reduction potential;
(f)
HOMO-LUMO gap estimated from CV.