RESEARCH / A0434
Constructed electron transfer path and active sites with methyl and copper for efficient H2 evolution in covalent organic framework photocatalyst
Read the original paper · 10.1016/j.ijhydene.2025.03.045 ↗
Source figures may contain other techniques and soft X-ray spectra. C, N and O measurements are outside our current hard-XAFS testing range.
Fig. 1. (a) PXRD patterns of TpPa-2 and Cu-TpPa-2. (b) Fourier transform infrared (FTIR) spectra. (c) Nitrogen adsorption and desorption isotherm profiles of the TpPa-2 and Cu-TpPa-2. (d) SEM image of Cu-TpPa-2. (e) TEM image of Cu-TpPa-2. (f) High-resolution Cu 2p X-Ray photoelectron spectroscopy (XPS) spectra of Cu- TpPa-2. (g)The EXAFS spectra, (h) The r-space distributions and (i) the wavelet analysis calculated from the k2-weighted Cu K-edge EXAFS spectra of Cu-TpPa-2.