Fig. 2: Electrochemical properties of indigo derivatives and their promotional effects on CO2RR when modified on AgNP.
From: Electro-activated indigos intensify ampere-level CO2 reduction to CO on silver catalysts
a Linear relationship between the onset potentials for CO2 capture in aprotic and aqueous electrolytes for indigos functionalized with EDGs or EWGs. b, c Comparison of CO FE at different jtotal (b), and jCO at different potentials (c) for AgNP modified with various indigos. d Correlation between the CO2RR potential at a jtotal of ~ 30 mA cm–2 for modified AgNP catalysts and the onset potential for CO2 capture by various indigos. Potentials have been 100% iR corrected. The flow cell was operated with 1 M KOH (pH = 14.0 ± 0.2). Data are presented as mean ± s.d. Error bars represent s.d. from measurements of three independent electrodes. Source data are provided as a Source Data file.
