▎ 摘　　要

NOVELTY - A fog like copper isonicotinate metal organic frame/three-dimensional graphene coated carbon fiber composite micro-electrode has a structure of the composite microelectrode from the outer layer to the inner layer, respectively a ferromagnetic copper isonicotinate metal organic framework, a three-dimensional graphene and an activated carbon fiber, the three-dimensional graphene covered the activated carbon fiber and the fog-like copper isonicotinate metal organic framework uniformly deposited on the surface of the three-dimensional graphene. USE - Fog-like copper isonicotinate metal organic frame/three-dimensional graphene coated carbon fiber composite micro-electrode for use in electrochemical glucose sensor without enzyme (claimed). ADVANTAGE - The fog-like copper isonicotinate metal organic frame/three-dimensional graphene coated carbon fiber composite micro-electrode can be prepared with low detection limit and high detection sensitivity in simple and eco-friendly manner. DETAILED DESCRIPTION - A fog-like copper isonicotinate metal organic frame/three-dimensional graphene coated carbon fiber composite micro-electrode has a structure of the composite microelectrode from the outer layer to the inner layer, respectively a ferromagnetic copper isonicotinate metal organic framework, a three-dimensional graphene and an activated carbon fiber, the three-dimensional graphene covered the activated carbon fiber, the loose and porous net-shaped structure of the three-dimensional grapheme formed by stacking graphene nano sheet and the fog-like copper isonicotinate metal organic framework uniformly deposited on the surface of the three-dimensional graphene. An INDEPENDENT CLAIM is also included for a method for preparing fog-like copper isonicotinate metal organic frame/three-dimensional graphene coated carbon fiber composite micro-electrode.