Fig. 4: Electronic characterizations of COFs samples. | Nature Communications

Fig. 4: Electronic characterizations of COFs samples.

From: Enhancing photocatalytic performance of covalent organic frameworks via ionic polarization

Fig. 4

a UV–vis diffuse reflectance spectra of TpPa-1 and CH3I-TpPa-1. b, c Tauc plot and Mott–Schottky plots of TpPa-1 and CH3I-TpPa-1. d the band structure of series β-keto-enamine-based COFs and modified samples. e The calculated electrostatic potential maps and the corresponding diagrams for TpPa-1 and CH3I-TpPa-1. f, g Surface potentials of TpPa-1 and CH3I-TpPa-1 tested by the Kelvin probe force microscopy (KPFM). h A comparison of BIEF intensity for TpPa-1 and CH3I-TpPa-1.

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