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(A) Structures of H5-H12. (B) Schematic representation of the iodine capture process. (C) Time-dependent iodine uptake by xerogels. (D) Top: color changes of G-H7 after adsorption of iodine; bottom: fluorescence images of G-H7 and iodine@G-H7 under a UV lamp (365 nm). (E) Cyclic adsorption and desorption efficiencies of G-H7 for iodine. Reproduced from ref. [61] with permission from John Wiley and Sons.
