Table 2 UV–vis absorption and fluorescence emission maximum wavelengths, and the fluorescence quantum yields (ϕ F ) of PBDP3HTTPA and PBDP3HTTPB
Solvent | PBDP3HTTPA | PBDP3HTTPB | ||||
|---|---|---|---|---|---|---|
UV (nm) | PL (nm) | ϕ F | UV (nm) | PL (nm) | ϕ F | |
CHCl3 | 310, 360 | 545 | 0.57 | 410 | 380, 475 | 0.62 |
THF | 310, 400 | 450, 500 | 420, 750 | 380, 475, 520 | ||
Toluene | 360 | 460, 500, 560 | 420, 750 | 380, 475, 520 | ||
Film | 550 | 410, 710 | ||||