Three-dimensional NiCo Layered Double Hydroxide Nanosheets Array on Carbon Cloth, Facile Preparation and Its Application in Highly Sensitive Enzymeless Glucose Detection

•Ultrathin NiCo layered double hydroxide nanosheets were arrayed on carbon cloth.•Their three-dimensional structure favors mass transport and electron transfer.•They show a remarkable activity for glucose oxidation.•They can be used as a bind-free biosensor in nonenzymatic glucose detection.•This amperometric sensing exhibits a high sensitivity and selectivity.