Fig. 1: Schematic illustration of Mn, C-ZnO CTHSs formation process. | Nature Communications

Fig. 1: Schematic illustration of Mn, C-ZnO CTHSs formation process.

From: Sustained CO2-photoreduction activity and high selectivity over Mn, C-codoped ZnO core-triple shell hollow spheres

Fig. 1

a Preparation of Mn, Zn-CPSs from solvothermal treatment of zinc acetate and manganese acetate with salicylic acid in the presence of PVP. b Step-by-step conversion of Mn, Zn-CPSs into Mn, C-codoped ZnO CTSHSs upon calcination at 550 °C for 3 h. c The underlying driving force for such hollow structure formation.

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