Fig. 5: In situ FT-IR and charge density analysis of COF catalysts during H2O2 photosynthesis.

a In situ FT-IR spectra in water vapor with O₂ flow for TpBpy and b BTBpy, c Charge density difference of TpBpy during H2O2 photosynthesis.
a In situ FT-IR spectra in water vapor with O₂ flow for TpBpy and b BTBpy, c Charge density difference of TpBpy during H2O2 photosynthesis.