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(a) EC-Raman spectra of pDET/Cu under 647 nm laser excitation. (b) EC-Raman spectra of pDET under 594 nm laser excitation. (c) Potential-dependent currents for HER as a function of excitation wavelength. (d) Photoelectrocatalytic reaction scheme for photoinduced hydrogen evolution. Adapted with permission from ref (308). Copyright 2021 Royal Society of Chemistry.
