Fig. 1 | Scientific Reports

Fig. 1

From: Stimuli responsive carboxyl rich carbon photonic ball ink via template assisted light thermal dehydration of monosaccharides

Fig. 1

(a) Fabrication procedures for carbon inverse photonic balls by infilling a photonic ball template with fructose and sulfuric acid, thermal dehydration, and chemical etching. The illustration was created using Rhino 6 (https://www.rhino3d.com/). (b) Optical microscopy image of PB250 and scanning electron microscopy images of (c) an exposed cross-section of PB250 showing an opalline structure and (d) the size distribution of CIPB250 before and after carbonation. CIPB250 (e) at low magnification showing spherical particles, (f) at high magnification showing the surface inverse opal structure.

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