Double-Shelled Carbon Nanocages Grafted With Carbon Nanotubes Embedding Co Nanoparticles For Enhanced Hydrogen Evolution Electrocatalysis
CHEMICAL COMMUNICATIONS(2021)
Abstract
Herein, small Co nanoparticles (NPs) encapsulated in N-doped double-shelled carbon nanocages grafted with thin carbon nanotubes (Co@CNTs@DSCNCs) were synthesized from yolk-shell bimetallic zeolitic imidazolate framework (BMZIF). For HER electrocatalysis, they exhibit higher activity (eta(10) = 214 mV) and more favorable kinetics than Co@CNTs@PC (PC = porous carbon) with thick CNTs and large Co NPs derived from solid BMZIF cubes.
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Key words
hydrogen evolution electrocatalysis,carbon nanocages,co nanoparticles,carbon nanotubes,double-shelled
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