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Abstract
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In this work a non-enzymatic glucose sensor based on a new Ni-Al LDH/GQD/RGO
nanocompositewas developed. Firstly, Ni-Al LDH/GQD/RGO nanocomposite was synthetized
via co-precipitation method and characterized by X-ray diffraction and cyclic voltammetry.
Secondly, the electrocatalytic activity of the Ni-Al LDH/GQD/RGO nanocomposite modified
electrode was studied toward the oxidation of the glucose in 0.1 M of NaOH solution. Glucose
was oxidized at potential about -0.037 V vs SCE on the Ni-Al LDH/GQD/RGO nanocomposite
modified electrode and corresponding anodic signal greatly increases by increasing the glucose
concentration.The calibration plot is linear over the wide concentration range with a unique
correlation coefficient and low detection limit.
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