Table 1.
Host Materials | Tm/ Tg a (oC) | Td b (oC) | λmax, solution (nm) UV-vis, PL |
λmax, film (nm) UV-vis, PL |
Eg c (eV) | Eox, onset d (V versus Fc/Fc+) | IP e (eV) | EA f (eV) |
---|---|---|---|---|---|---|---|---|
BCz-nBuPh | 146/58 | 410 | 305, 409 | 308, 413 | 3.32 | 0.45 | 5.55 | 2.13 |
BCz-tBuPh | 295/136 | 423 | 304, 409 | 308, 411 | 3.32 | 0.45 | 5.55 | 2.13 |
a Melting temperature and glass transition temperature, b decomposition temperature corresponding to a 5% weight loss, c optical band gap, d Onset potential of oxidation versus ferrocene/ferrocenium redox system. e measured via CV, f electron affinity as subtracting the optical bandgap from the ionization potential (IP).