Growing
Crystalline Zinc-1,3,5-benzenetricarboxylate Metal–Organic
Frameworks in Different Surfactants
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Abstract
Six new zinc-1,3,5-benzenetricarboxylate-based
metal–organic frameworks (MOFs) have been successfully synthesized
using three different surfactants (PEG 400, octanoic acid, and hexadecyltributylphosphonium
bromide) as reaction media. These surfactants with different characteristics,
such as being neutral, acidic, and cationic, have been demonstrated
to show strong effects on directing the crystals’ growth and
resulted in different secondary building units (SBUs) including an
unusual SBU unit [Zn<sub>4</sub>(μ<sub>4</sub>-O)(CO<sub>2</sub>)<sub>7</sub>]. Our results clearly indicated that the surfactant–thermal
method could offer exciting opportunities for preparing novel MOFs
or other inorganic crystalline materials with diverse structures and
interesting properties