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Herein, we report a facile technique for the forming of ternary Cu@SiO2@C yolk-shell composites by transforming the resorcinol-formaldehyde (RF) resin-coated Cu2O@SiO2 with a core-shell structure via a thermal treatment under a N2 environment. Particularly, the annealing temperature and silica interlayer play vital functions in modulating their particular frameworks and catalytic overall performance. More over, this tactic may pave an alternative way to constructing non-noble-metal-based comp