Directional design of the pyridine ligand functional block fine-tuned hydrophobicity to improve the electrocatalytic nitrogen fixation performance of the Co/Ni based MOFs-derived materials
Three kinds of metal−organic frameworks possessing analogous structures were prepared by regulating the structure units of organic linkers. MOF/nickel foam electrocatalysts were formed by in situ hydrothermal growth of MOFs on a clean supported substrate nickel foam (NF), and the corresponding composites were prepared. We phosphatated them and obtained the heterojunction catalyst. Different structure units in the ligand have significant influences on the phosphating, resulting in heterogeneous materials that are not quite the same. Among them, heterogeneous materials with Co 2 P and NiP have the best catalytic performance. We also studied the urea oxidation reaction (UOR) properties of the materials and proved that it is feasible to improve the UOR performance of MOF/NF composites by regulating the structure units in the organic linkers. The results provided an idea for the reasonable selection of organic ligands to construct MOFs to regulate the electrocatalytic performance.
Three kinds of metal−organic frameworks possessing analogous structures were prepared by regulating the structure units of organic linkers. MOF/nickel foam electrocatalysts were formed by in situ hydrothermal growth of MOFs on a clean supported substrate nickel foam (NF), and the corresponding composites were prepared. We phosphatated them and obtained the heterojunction catalyst. Different structure units in the ligand have significant influences on the phosphating, resulting in heterogeneous materials that are not quite the same. Among them, heterogeneous materials with Co 2 P and NiP have the best catalytic performance. We also studied the urea oxidation reaction (UOR) properties of the materials and proved that it is feasible to improve the UOR performance of MOF/NF composites by regulating the structure units in the organic linkers. The results provided an idea for the reasonable selection of organic ligands to construct MOFs to regulate the electrocatalytic performance.
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