Figure 4

Compositional characterization of the 3D printed scaffolds. (a) The TGA thermograms of the 3D printed scaffolds. (b) The enlarged region of the TGA thermograms indicating the remaining mass in each sample. (c) The TGA first derivative curves of the 3D printed scaffolds. (d) The XRD patterns of non-porous 3D printed scaffolds and pure rGO.