Fig. 6: Characterization and mechanism of the iodine capture processes of AlMC-1 in 4–100,000 ppm I2/KI aqueous solutions. | Nature Communications

Fig. 6: Characterization and mechanism of the iodine capture processes of AlMC-1 in 4–100,000 ppm I2/KI aqueous solutions.

From: Water-stable porous Al24 Archimedean solids for removal of trace iodine

Fig. 6

Macroscopic characterization of AlMC-1 after immersing in 4–100,000 ppm I2/KI aqueous solutions, including a expanded XPS spectra, b Raman spectra, and c PXRD patterns. d Mechanistic studies at the molecular level (top row: adsorption site; bottom row: corresponding supramolecular interactions between iodine species and Al24 cage hosts; site 1 intermolecular channel; site 2 square window of O24-tro cage; site 3 Al8 macrocyclic cavity; site 4 the O8 cavity of Al24 cages). The strong hydrogen-bond interactions (C–H···I and O–H···I) are represented by yellow dotted bonds, while the I···π interactions are expressed by blue dotted bonds (Al: bright green; O: red; C: gray; H: white; N: blue; Cl: sea green; Br: purple; I: pink). Source data are provided as a Source Data file.

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