Fig. 1: Synthesis and characterization of Fe SAC.
From: Electrochemical ammonia synthesis via nitrate reduction on Fe single atom catalyst
a Schematic illustration of the synthesis of Fe SAC. b TEM, c AC MAADF-STEM, and d EDS mapping images of Fe SAC. e EELS point spectrum from the Fe atomic site identified by the yellow arrow in the inserted AC MAADF-STEM image of Fe SAC. f XRD pattern and g N2 adsorption–desorption isotherms of Fe SAC. Inset in g is pore-size distribution curve. Scale bars, b 200 nm, c 2 nm, and d 100 nm. Note: a.u. means arbitrary units unless otherwise specified.
