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Fabrication of ultrafine nickel nanoparticles anchoring carbon fabric composites and their High catalytic performance

Ding, Lei, Zhang, Min, Zheng, Jing, Xu, Jingli, Alharbi, Njud S., Wakeel, Muhammad
Colloids and surfaces 2019 v.562 pp. 146-153
carbon, carbonization, catalysts, catalytic activity, coatings, colloids, fabrics, nanoparticles, nickel, p-nitrophenol, temperature
One-dimensional (1D) carbon fabric (CF) anchored with high-density of nickel nanoparticles (NPs) has been successfully fabricated by combining an extended Stöber approach with a carbonization process. Hybrid CF@PDA-Ni2+ was first synthesized by the coating of the polydopamine-Ni2+ (PDA-Ni2+) layer on carbon fabric in a Stöber condition. After carbonizing in an inert atmosphere, the CF@C-Ni hybrid in which plenty of Ni NPs embedded in PDA-derived carbon shell on carbon fabric was obtained. Thus, the prepared CF@C-Ni composites can be employed as the catalyst for the reduction of 4-nitrophenol (4-NP). Additionally, the size and density of Ni NPs could be finely controlled via changing the carbonization temperature. Moreover, the CF@C-Ni composites can be easily collected and recycled with little loss because of their unique structures, which is important for practical applications.