Fig. 1

SEM images and particle size distributions of MFM-100 samples. SEM image of MFM-100a (a), MFM-100b (b), MFM-100c (c) and MFM-100d (d). e Schematic diagram for the electrosynthesis of MFM-100. f Particle size distributions for samples of MFM-100. The scale bar in all SEM images is 10 μm. The diameter of IL aggregates is 4 nm