Objective To develop effective alternatives to natural enzymes,it is crucial to develop nanozymes that are economical,resource efficient,and environmentally conscious.Carbon nanomaterials that have enzyme-like activit...Objective To develop effective alternatives to natural enzymes,it is crucial to develop nanozymes that are economical,resource efficient,and environmentally conscious.Carbon nanomaterials that have enzyme-like activities have been extensively developed as substitutes for traditional enzymes.Methods Carbide-derived carbons(CDCs)were directly synthesized via a one-step electrochemical method from a MAX precursor using an ammonium bifluoride electrolyte at ambient conditions.The CDCs were characterized by systematic techniques.Results CDCs showed bienzyme-like activities similar to that of peroxidase and superoxide dismutase.We systematically studied the dependence of CDC enzyme-like activity on different electrolytes and electrolysis times to confirm activity dependence on CDC content.Additionally,the synthesis mechanism and CDC applicability were elaborated and demonstrated,respectively.Conclusion The demonstrated synthesis strategy eliminates tedious intercalation and delamination centrifugation steps and avoids using high concentrations of HF,high temperatures,and halogen gases.This study paves the way for designing two-dimensional material-based nanocatalysts for nanoenzyme and other applications.展开更多
基金supported by the National Nature Science Foundation of China[No21874079]Taishan Scholar Program of Shandong Province,Science&Technology Fund Planning Project of Shandong Colleges and Universities[J16LA13,J18KA11]+1 种基金Key R&D Project of Shandong Province[GG201809230180]Open Funds of the State Key Laboratory of Electroanalytical Chemistry[SKLEAC202005]。
文摘Objective To develop effective alternatives to natural enzymes,it is crucial to develop nanozymes that are economical,resource efficient,and environmentally conscious.Carbon nanomaterials that have enzyme-like activities have been extensively developed as substitutes for traditional enzymes.Methods Carbide-derived carbons(CDCs)were directly synthesized via a one-step electrochemical method from a MAX precursor using an ammonium bifluoride electrolyte at ambient conditions.The CDCs were characterized by systematic techniques.Results CDCs showed bienzyme-like activities similar to that of peroxidase and superoxide dismutase.We systematically studied the dependence of CDC enzyme-like activity on different electrolytes and electrolysis times to confirm activity dependence on CDC content.Additionally,the synthesis mechanism and CDC applicability were elaborated and demonstrated,respectively.Conclusion The demonstrated synthesis strategy eliminates tedious intercalation and delamination centrifugation steps and avoids using high concentrations of HF,high temperatures,and halogen gases.This study paves the way for designing two-dimensional material-based nanocatalysts for nanoenzyme and other applications.
