Figure 3

(a) nitrogen adsorption–desorption isotherms, (b) pore size distribution, (c) FTIR-ATR spectra of bulk-gCN, glucose_6h, sucrose_6h, and fructose_6h.

(a) nitrogen adsorption–desorption isotherms, (b) pore size distribution, (c) FTIR-ATR spectra of bulk-gCN, glucose_6h, sucrose_6h, and fructose_6h.