Fig. 1.

Synthetic route and characterizations of S-AQ-G composites. a Schematic illustration of the formation of S-AQ-G composites. b XRD patterns of pure S, pure AQ and S-AQ-G composites. c TGA and its corresponding derivative weight change of S-AQ-G composites. d, e TEM image and corresponding SAED of S-AQ-G composites (scale bar = 500 nm). f Comparison of the FTIR spectra of pure AQ and S-AQ-G composites