Fig. 3: Electronic and structural properties of RF resins. | Communications Chemistry

Fig. 3: Electronic and structural properties of RF resins.

From: Solar-to-hydrogen peroxide energy conversion on resorcinol–formaldehyde resin photocatalysts prepared by acid-catalysed polycondensation

Fig. 3

a DR UV–Vis spectra of various resins and that of RF-(COOH)2-523 resin recovered after photoreaction for 5 h under solar simulator (Fig. 4d, red square); inset shows Tauc plots. b SEM and c TEM micrographs of RF-(COOH)2-523 resin. d XRD patterns and e electronic band structures of the resins. f EIS Nyquist plots of the resins measured in 0.1 M KCl under irradiation with visible-light at bias of 0.8 V (vs. Ag/AgCl) for frequencies of 10 mHz to 10 kHz. Equivalent circuit (inset) contains ohmic resistance (RS), double-layer capacitance (CDL), and charge-transfer resistance (RCT).

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