Figure 2. The physical properties of nano wrinkled photothermal membranes. (a) The reflectance of UV-vis-NIR spectroscopy for photothermal membranes. (b) The transmittance of UV-vis-NIR spectroscopy for photothermal membranes. (c) The absorptance of UV-vis-NIR spectroscopy for photothermal membranes. (d) The XRD of photothermal membranes. (e) The TGA of the samples. (f) The DSC of photothermal membranes. (g) The specific heat of photothermal membranes. (h) The strain-stress curves of photothermal membranes.