Extended Data Fig. 9: In-situ coating of sulfur-rich polymers on the filter paper by photoinduced IV.

a, d, photographs of bottom and top view of filter paper. b, e, filter paper adsorbed with sulfur. c, f, in situ coated poly(S-DIB) on the filter paper. g, h, SEM images of filter paper. (i, j), SEM images of filter paper adsorbed with sulfur. (k, l), SEM images of in situ coated poly(S-DIB) on the filter paper. a1, SEM image polymer-coated filter paper. b1, EDS map of polymer-coated filter paper. c1, colour-element relationship of red for sulfur, d1, colour-element relationship of green for carbon. e1, Colour-element relationship of blue for oxygen. f1. colour-element relationship of purple for chromium.