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Core shell construction2/3/2024 Oxamide-modified g-C 3N 4 nanostructures: tailoring surface topography for high-performance visible light photocatalysis. Tang H, Wang R, Zhao CX, Chen ZP, Yang XF, Bukhvalov D, Lin ZX, Liu QQ. Homojunction CdS photocatalysts with a massive S 2–-adsorbed surface phase: one-step facile synthesis and high H 2 evolution performance. 3D reduced graphene oxide aerogel-mediated Z-scheme photocatalytic system for highly efficient solar-driven water oxidation and removal of antibiotics. Liu QQ, Shen JY, Yang XF, Zhang TR, Tang H. These findings envision a new insight into the development of S-scheme heterostructure for photocatalytic H 2 generation. Appertaining to XPS and Mott-Schottky (M-S) analysis, such enhanced photocatalytic H 2 generation of MnO heterojunction was ascribed to an S-scheme mechanism, which suppressed the charge recombination along with a fast detachment of electron–hole pairs (e −–h +) and significantly improved the severance of carriers, thus improved H 2 evolution performance. h −1, which is 2.8-fold higher compared with that of CdS.All the MnO core–shell nanocomposites possess higher H 2 evolution rate through visible light irradiation contrary to pristine CdS, and the optimal MnO hybrid exhibits the utmost H 2 evolution rate of 3.94 mmol The rationally designed core–shell structure provided an intimate heterojunction interface between the CdS shell and MnO 2 core. In this paper, the well-defined one-dimensional (1D) core–shell MnO hybrids were constructed by employing MnO 2 nanotubes and CdS nanoparticles as nano-building blocks via a chemical co-precipitation route. Artificial photosynthesis is deemed as an efficient protocol for transforming abundant solar energy into valuable fuel.
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