Abstract
Vanadium carbide MXene (V2C) acts as a new type of two-dimensional (2D) graphene-like transition metal material that has attracted research interest. V2C has been widely used in various fields due to its excellent physical and chemical properties. Herein, the self-assembled V2C@gold nanoparticles (V2C@AuNPs) are prepared by water bath process at 80°C. With the addition of glutathione (GSH), the absorbance (Abs.) at 550nm of V2C@AuNPs was decreased. Therefore, an optical sensor is developed to detect GSH based on the properties of V2C@AuNPs. Under the optimal conditions, the detection range is 1-32µM and the detection limit is 0.099µM. Furthermore, the proposed GSH sensor exhibits high sensitivity, high selectivity, strong stability, and excellent recovery. The work will expand the application of V2C in biosensing.
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