Fig. 3

In vitro characterization of the Cu₂MnS₂ hydrogel. a SEM images of the blank Pluronic F127 hydrogel and the Cu₂MnS₂ nanoplates loaded hydrogel; b and c the thermographs and corresponding heating curves of the Cu₂MnS₂ hydrogel and blank hydrogel upon 808 nm irradiation (1 W/cm²); d pictures of the blank hydrogel and Cu₂MnS₂ hydrogel at 4 and 37 °C; e the complex viscosity and loss modulus curves of the blank hydrogel and Cu₂MnS₂ hydrogel; f particle size of the Cu₂MnS₂ nanoplates encapsulated in the hydrogel after different storage time at 37 °C; g the heating profiles of the Cu₂MnS₂ hydrogel upon 808 nm laser exposure (1 W/cm²) after different storage time at 37 °C