Preparation ofgraphdiyne hollow flower nanospheres and the performance of electrocatalytic oxygen reduction to hydrogen peroxide with high selectivity
Graphdiyne is a two-dimensional all carbon material that can be synthesized at the condition of low temperature and normal pressure.In this experiment,copper nanoparticles were used as the substrate and cata-lyst to prepare graphdiyne nanospheres.After removing copper nanoparticles,graphdiyne hollow flower nano-spheres were obtained.Through the characterization of the composition and morphology by Raman,XRD,XPS,SEM and TEM,it demonstrated the successful preparation of graphdiyne.Without any conductive materi-als,the graphdiyne nanospheres can be directly used as a catalyst for electrocatalytic oxygen reduction to hydro-gen peroxide with a selectivity of 76%,verifying the advantage of graphdiyne in the process of oxygen reduction to hydrogen peroxide.The experiment is comprehensive and can be introduced into professional course teaching and innovative experiments as a research frontier and an ideological and political education element.
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