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. 2016 Feb 1;7:10601. doi: 10.1038/ncomms10601

Figure 1. Schematic illustration of an in situ strategy for the preparation of 3D S@PGC composites.

Figure 1

(a) NaCl and Na2S crystals. (b) Glucose-coated NaCl and Na2S crystals. (c) Self-stacking of the glucose-coated NaCl and Na2S crystals (3D NaCl–Na2S@glucose), with Na2S crystals surrounded by NaCl crystals. (d) Self-stacking of GC-coated NaCl and Na2S crystals (3D NaCl–Na2S@GC). (e) 3D S@PGC composite formed through the simultaneous dissolution of the NaCl crystals and oxidation of the Na2S with Fe(NO3)3.