Fig. 2: Porosity, optical properties, and calculated electronic band structures of perylene-based COFs.
From: Dimensional evolution of charge mobility and porosity in covalent organic frameworks
a Nitrogen sorption isotherm curves of 1D Pery-COF (red dots), 2D ML-Pery-COF (blue dots), and 2D PL-Pery-COF (black dots). b Solid-state UV/vis diffuse reflectance spectra of 1D Pery-COF (red curve), 2D ML-Pery-COF (blue curve), and 2D PL-Pery-COF (black curve). c Tauc plots showing the bandgaps determined from the Kubelka-Munk-transformed (KM) reflectance spectra of 1D Pery-COF (red curve), 2D ML-Pery-COF (blue curve), and 2D PL-Pery-COF (black curve). d–f Electronic band structures and projected density of states (PDOS) of (d) 1D Pery-COF, (e) 2D ML-Pery-COF, and (f) 2D PL-Pery-COF.
