Fig. 3: Molecularly thin amorphous 2D gallium oxide/oxyhydroxide nanosheets.

a AFM image with height (solid line) and the corresponding evaluated place (dashed line), scale bar 15 μm, b TEM image, scale bar 5 μm, and (inset) SAED pattern, c XPS spectrum, d STEM image and EDS mappings of Ga and S elements and e EDS spectrum of amorphous 2D gallium oxide/oxyhydroxide nanosheets, scale bar 2 μm.