Journal
CHEMISTRY OF MATERIALS
Volume 22, Issue 5, Pages 1870-1877Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cm903405s
Keywords
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Funding
- National Science Foundation of China [20671012, 50872012, 20871018]
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Water-soluble tetrasodium p-sulfonatothiacalix[4]arene (TCAS) was intercalated into MgAl-LDH using an osmotic swelling/restoration reaction of the LDH in formamide. The restoration process was investigated in detail. The arrangements of TCAS in the interlayer can be controlled through adjusting the area per unit charge (S-charge) of TCAS When S-charge (TCAS) < Scharge(LDH), monolayer (basal spacing, d(basal), 1 30 nm) of TCAS(Ag) was formed. This swelling/restoration reaction took place, and the compsites retained the morphology of the LDH precursor. The thermal stability of TCAS in the composites was remarkably enhanced, and the up-down antiparallel arrangement of TCAS had the highest increase of thermal stability.
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