Fig. 1From: High-performance pyrite nano-catalyst driven photothermal/chemodynamic synergistic therapy for OsteosarcomaThe physico-chemical properties of FeS2 NPs. (A)The morphology, inner crystal lattice structure and element compositions were observed by TEM. (B)The magnified TEM image, (C) SAED pattern, and (D-F) EDX-elemental mapping, scale bar = 50 nm. (G) XRD spectrum and (H) UV-Vis spectra of FeS2 NPs. XPS spectra of FeS2 for (I) Fe 2p and (J) S 2pBack to article page