Facile Synthesis of MOF‐Derived One‐Dimensional Nitrogen‐doped Carbon/Ni Composites and their Application as Catalysts and Protein Adsorbents

Metallic nickel is of particular interest because of its low cost, magnetic property, and multifunctional uses. Herein, a facile strategy to fabricate one dimensional(1D) carbon microrods with magnetic Ni nanoparticles(NPs) by one-step carbonization of nickel-ion-nitrilotriacetic acid coordination polymer microrods (Ni-NTA) has been presented. After the carbonization, the original morphology of Ni-NTA microrods is preserved well. Fine magnetic Ni NPs are well dispersed in the carbon matrix, which possesses an impressive saturation capacity for Histidine-rich protein, BHb. Moreover, such N-doped carbon microrods with well-dispersed Ni NPs on its surface present an excellent catalytic performance and stability by using the reduction of 4-nitrophenol as a model reaction. Notably, the selected Ni-NTA microrods and melamine act as Ni-precursor and N-doped carbon sources play a vital role in the formation of 3D hierarchical carbon dendrites composed of carbon microfiber trunks and carbon nanotube branches.