In Situ Sol-Gel Assembly of Graphitic Carbonitride Nanosheet-Supported Colloidal Binary Metal Sulfide into Nanosandwich-Like Multifunctional 3D Macroporous Aerogel Catalysts for Asymmetric Supercapacitor and Electrocatalytic Oxygen and Hydrogen Evolution

Figure 2

(a) XRD and (b) Raman spectra for NCS aerogel and NCS/CN composite aerogels (1CN, 3CN, and 5CN). (c) TGA profiles for g-C₃N₄, NCS aerogel, and NCS/CN composite aerogels (1CN and 3CN). (d) XPS survey scan spectrum for g-C₃N₄, NCS aerogel, and 3CN composite aerogels. (e–i) High-resolution XPS spectra for C 1 s, N 1 s, Ni 2p, Co 2p, and S 2p regions of 3CN composite aerogels.

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