Fig. 1 | Nature Communications

Fig. 1

From: Visible-light-switched electron transfer over single porphyrin-metal atom center for highly selective electroreduction of carbon dioxide

Fig. 1

Preparation and nanostructure characterization of HNTM-Au-SA. a Schematic illustration of photosynthesis and photoelectrochemical reduction of CO2 on chlorophyll and HNTM-Au-SA, respectively. b TEM image. c STEM image (inset is line-scanning spectrum for Au element). d HRTEM image. Each rhombus represents a porphyrin unit. e HAADF STEM image. Single Au atoms are highlighted in red circles. Scale bar: b is 1 μm, c is 50 nm, d, e is 5 nm

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