Electroless-hydrothermal construction of nickel bridged nickel sulfide@mesoporous carbon nitride hybrids for highly efficient noble metal-free photocatalytic H₂ production

Lu Zhang^a, Yuanyuan Cui^b, Fengli Yang^a, Quan Zhang^a, Juhua Zhang^a, Mengting Cao^a, Wei-Lin Dai^a^,^*(

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Fig. 7.. (a) UV-vis DRS and (d) PL spectra of NiS/m-CN (A: m-CN, B: 5% NiS/m-CN, C: 7.5% NiS/m-CN, D: 10% NiS/m-CN, E: 12.5% NiS/m-CN, F: NiS, G: 10% NiS/m-CN-D); (b) XPS valence band spectra and (c) Schematic illustration of the band positions for m-CN (g-C₃N₄) and 10% NiS/m-CN-160-12 (NiS/Ni/g-C₃N₄).