Real-time monitoring of breathing of MIL-53(Al) by environmental SEM

• A ca. one-μm single crystal of MOF MIL-53(Al) was attached to a glass support surface via covalent bonding.
• The breathing behavior of MOF MIL-53(Al) was monitored in real-time with the help of environmental SEM.
• This allowed the attribution of porosity to the geometry in MIL-53(Al) crystals.
• The new characterization and the corresponding crystallographic calculations were in agreement with the previous related literature.

The breathing behavior of MOF MIL-53(Al) attached to a glass support surface via covalent bonding has been monitored in real-time for a ca. one-μm single crystal with the help of environmental SEM. This allowed the attribution of porosity to the geometry in MIL-53(Al) crystals. In addition, complementary powder XRD, X-ray thermodiffractometry, TGA, Ar adsorption, FTIR, TEM and ED characterizations and crystallographic calculations were in agreement with the previous related literature.

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