To realize highly efficient production of H₂ and conversion of biomass-relevant alcohols are hot spots in energy and environmental science. Herein, we have fabricated noble metal-free 2D/2D-3D NiS/Zn₃In₂S₆ hierarchical architecture by one-step method for efficiently visible-light-driven dehydrogenation of 5-hydroxymethylfurfural (HMF) into H₂ and 2,5-diformylfuran (DFF) with high selectivity. The separation of photoexcited electrons (e-) and holes (h⁺) can be promoted in this dual-function photocatalysis process. More importantly, both e- and h⁺ are involved in the desired conversions, i.e. the generation of H₂ and the production of value-added chemicals, respectively. The conversion was favored not only by thermodynamics, but also kinetics. The H₂-evolution rate in HMF solution was up to 1090.9 times than in water. Additionally, the DFF selectivity could reach up to 94.1%. Such designed dual-function photocatalytic system could be more feasible and practical in the perspective of the sustainable and green development.

为了实现H _2的高效生产和与生物质有关的醇的转化，是能源和环境科学的热点。在这里，我们通过一步法制备了无贵金属的2D / 2D-3D NiS / Zn ₃ In ₂ S ₆分层体系结构，以有效地将可见光驱动的5-羟甲基糠醛（HMF）脱氢成H ₂和2，具有高选择性的5-二甲酰呋喃（DFF）。在这种双重功能的光催化过程中，可以促进光激发电子（e-）和空穴（h ⁺）的分离。更重要的是，e-和h ⁺都参与了所需的转化，即H ₂的生成和增值化学品的生产。转化不仅受到热力学的支持，而且还受到动力学的支持。HMF溶液中H _2的释放速率是水中的1090.9倍。此外，DFF的选择性可以达到94.1％。从可持续和绿色发展的角度来看，这种设计的双功能光催化系统可能更加可行和实用。