Fig. 1: Chemical structures of the samples.
From: Ultrafast charge transfer dynamics in 2D covalent organic frameworks/Re-complex hybrid photocatalyst
(a) Schematic structure of the Re-TpBpy. (b) FT-IR spectra of TpBpy, Re-TpBpy and their starting materials with the right panel showing the molecular structure of the corresponding unit, where the bonds of a: C=O, b: C–H; c: N–H; d: C–N; e: C=O; f: C=C, and g: C–N are highlighted. Source data are provided as a Source data file.
