Fabricating of Ni-BTC/NiS2 heterostructure via self-assembly strategy for electrocatalytic methanol oxidation

Authors：Luo, Jia-Yang; Hu, Fu-Chao; Xi, Ben-Jun; Han, Qing-Wen; Wu, Xue-Qian^*; Wu, Ya-Pan; Zhang, Qichun; Chi, Ruan; Li, Dong-Sheng^*

Source：Inorganic Chemistry Communication, 2022, 143: 109777.

DOI：10.1016/j.inoche.2022.109777

• Metal -organic framework
• Metal disulfide
• Heterogeneous composite
• Electrocatalytic methanol oxidation

Nickel-based metal-organic frameworks (Ni-MOFs) are a promising anodic electrocatalyst for methanol oxidation reaction (MOR), but suffer from either low conductivity or poor chemical stability. The fabrication of MOF-based heterogeneous composites is one of the possible solutions. Herein, for the first time, a novel Ni-MOF/nickel disulfide heterojunction composite (Ni-BTC/NiS2) has been constructed successfully via in situ self-assembly strategy, which exhibits excellent MOR activity and durability with an area specific peak current density of 34.36 mA cm-2. The enhanced electrocatalytic performance of the composite might be attributed to the synergistic/interface effect derived from the heterojunction structure. Undoubtedly, the integration of MOFs and inorganic functional species within a heterostructure realized by this work provides a new vision for the design of MOF-based electrocatalysts for MOR and other energy conversion processes.