Ultra-small dispersed Cu _x O nanoparticles on graphene fibers for miniaturized electrochemical sensor applications.

ABSTRACT: A graphene microfiber (GF) modified with ultrafine Cu _x O nanoparticles (Cu _x ONPs/GF) has been fabricated by direct annealing of electrodeposited nano-sized copper-based metal organic frameworks (HKUST-1) and used as an electrode for nonenzymatic H₂O₂ sensing. Benefiting from the unique microfiber architecture and synergetic effects, as well as strong coupling between components with many active sites and boosted electron transport, the Cu _x ONPs/GF electrode shows prominent sensitivity, selectivity and long-term operational stability for the detection of H₂O₂. Further work successfully applied this Cu _x ONPs/GF electrode to detection of H₂O₂ in real sa

SUBMITTER: Zeng J 

PROVIDER: S-EPMC9071006 | biostudies-literature | 2019 Sep

REPOSITORIES: biostudies-literature