Figure 5.

MXenes for biosensor. (A) Schematic illustrations for preparing the Ti₃C₂ QDs by using a liquid exfoliation and solvothermal treatment approach; reproduced from Chen et al. (2018) with permission from The Royal Society of Chemistry. (B) Schematic showing the synthesis process of Au/MXene nanocomposites; (C) GOx/Au/MXene/Nafion/GCE at a constant voltage of−0.402 V; reproduced from Rakhi et al. (2016). (D) Application of MXenes for detection of NH₃. (D) is reproduced from Yu et al. (2015) with permission from American Chemical Society. (E) Schematic of the adsorption process of water molecules at the Ti₃C₂/TiO₂ composite film. Reproduced from Li N. et al. (2019) with permission from American Chemical Society.