Table 1.
Polymer | λmax, abs (nm)a | Size (nm)b | HOMO (eV)c | LUMO (eV)d | Eg (eV)e | Lifetime (ns)f | HER 780 > λ > 380 nm (µmol h−1)g | HER 780 > λ > 380 nm (mmol h−1 g−1)g |
---|---|---|---|---|---|---|---|---|
PFBPO | 410 | 471 | −5.82 | −3.13 | 2.69 | 0.85 ± 0.011 | 23.0 ± 1.85 | 4.60 ± 0.37 |
P-EG-5 | 410 | 654 | −5.92 | −3.18 | 2.74 | 0.87 ± 0.011 | 23.9 ± 2.60 | 4.78 ± 0.52 |
P-TEG-5 | 408 | 674 | −5.91 | −3.19 | 2.72 | 0.90 ± 0.012 | 25.8 ± 1.35 | 5.16 ± 0.27 |
P-HEG-5 | 414 | 686 | −5.91 | −3.16 | 2.75 | 0.95 ± 0.012 | 26.9 ± 1.55 | 5.38 ± 0.31 |
P-HEG-10 | 402 | 1129 | −5.92 | −3.16 | 2.76 | 1.02 ± 0.017 | 34.7 ± 3.45 | 6.94 ± 0.69 |
P-HEG-20 | 390 | 1576 | −5.90 | −3.20 | 2.70 | 1.07 ± 0.011 | 18.7 ± 1.80 | 3.74 ± 0.36 |
P-EA-5 | 402 | 957 | −5.93 | −3.20 | 2.73 | 0.93 ± 0.012 | 30.3 ± 3.05 | 6.06 ± 0.61 |
P-EA-10 | 396 | 1434 | −5.91 | −3.15 | 2.76 | 0.98 ± 0.011 | 19.4 ± 1.95 | 3.88 ± 0.39 |
aDetermined by solid-state UV-vis diffuse reflectance spectroscopy.
bDetermined by DLS in a solution mixture consisting of equal volumes of H2O, MeOH, and TEA.
cDetermined by photoelectron spectroscopy.
dDetermined by means of the equation ELUMO = EHOMO + Eg.
eDetermined from Tauc plots.
fDetermined by time-resolved fluorescence spectroscopy in a solution mixture consisting of equal volumes of H2O, MeOH, and TEA.
gPhotocatalytic conditions: 5 mg of polymers dissolved in a 10 mL solution mixture consisting of equal volumes of H2O, MeOH, and TEA and irradiated by a simulated solar light source (300 W Xe lamp, AM 1.5, 1000 W m−2, 780 > λ > 380 nm).