Photophysical properties and hydrogen evolution rate of polymers.
| Polymer | S BET a (m2 g−1) | λ onset b (nm) | HOMOc (V) | LUMOc (V) | E g d (eV) | HERe (μmol g−1 h−1) |
|---|---|---|---|---|---|---|
| BTPT-CMP1 | 138.4 | 618 | 1.28 | −0.78 | 2.06 | 5561.87 |
| BTPT-CMP2 | 62.1 | 659 | 1.16 | −0.74 | 1.90 | 1840.86 |
| BTPT-CMP3 | 58.8 | 659 | 1.14 | −0.76 | 1.90 | 1600.48 |
a
Specific surface area calculated from the N2 sorption-desorption isotherm.
b
Initial optical absorption.
c
Energy level vs. NHE calculated from CV curve.
d
The optical bandgap obtained by the plot of (αhν)2 against hν in UV-Vis reflectance spectroscopy.
e
50 mg sample with 3 wt% Pt under visible light (λ > 420 nm).