Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 13, Issue 34, Pages 40788-40797Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.1c13524
Keywords
metal-organic frameworks; bent-angle engineering; topological regulation; acetylene purification; bent diisophthalate
Funding
- Natural Science Foundation of China [21771162]
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This study successfully modulated the structure and function of MOFs by designing linkers with different bent angles, leading to promising solid adsorbents for acetylene purification.
To enrich structural chemistry and widen the application prospects of MOFs (metal-organic frameworks), the development of a synthetic strategy to realize structural and functional modulation is highly demanded. By implementation of the linker bent-angle engineering strategy, three banana-like diisophthalate linkers with distinct bent angles were designed and synthesized. The inclusion of the targeted linkers into MOFs through solvothermal assembly with CuCl2 center dot 2H(2)O under identical conditions yielded three crystalline solids featuring diversified topological structures as revealed by X-ray crystallographic studies. Furthermore, functional explorations indicated that they are promising solid adsorbents for acetylene (C2H2) purification application with structurally dependent separation potentials. The results reported in this study illustrated a rare example of modulating the topological structures and separation efficiencies of MOFs by engineering the ligand bent angles.
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