Extended Data Fig. 1: Photographs for large-scale synthesis of catalysts using yeast biomass.
From: Multi-heteroatom-doped carbon from waste-yeast biomass for sustained water splitting

a, R-2 (RuSAs+RuNPs@MHC)40mg. b, F-2 (Fe3O4@MHC)1.4g.
From: Multi-heteroatom-doped carbon from waste-yeast biomass for sustained water splitting

a, R-2 (RuSAs+RuNPs@MHC)40mg. b, F-2 (Fe3O4@MHC)1.4g.