Fig. 3 | NPG Asia Materials

Fig. 3

From: Robust bifunctional oxygen electrocatalyst with a “rigid and flexible” structure for air-cathodes

Fig. 3

a N2 adsorption–desorption isotherms of Au-NWs/Ni6MnO8 microspheres; b high-resolution Au4f, c Ni2p, and d Mn 2p XPS spectra of Au-NWs/Ni6MnO8 and Au-NWs; e the intensity of SPR peak changes as a function of time, the inset is the UV-Vis spectrum of a Au nanowire after a complete reaction; f UV-Vis spectra of HAuCl4, α-naphthol, and α-naphthol–HAuCl4 complex solutions

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