Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 61, Issue 24, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202201646
Keywords
Gas Chromatographic Separation; Porous Organic Molecular Framework; Selective Adsorbent; pi; pi Interaction
Categories
Funding
- NSFC [21871266, 21731006]
- Key Research Program of Frontier Science CAS [QYZDY-SSW-SLH025]
- Youth Innovation Promotion Association CAS
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China [2021ZR120]
- NSF of Fujian Province [2021J01517, 2020J06034]
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Selective separation using porous adsorbents is an energy-efficient alternative to traditional separation techniques. Stacked porous organic molecular frameworks (POMFs) capable of noncovalent pi...pi interactions are emerging as a new kind of adsorbents that facilitate green separation. The study introduces a robust porous molecular crystal (TAPM-1) with multiple intermolecular pi...pi interactions. TAPM-1 exhibits excellent hydrophobicity, thermostability, recyclability, and high selectivity for aromatics over cyclic aliphatics, making it suitable for high-resolution gas chromatographic separation.
Selective separation using porous adsorbents is an energy-efficient alternative to traditional separation techniques. Stacked porous organic molecular frameworks (POMFs) capable of noncovalent pi...pi interactions are emerging as a new kind of adsorbents that facilitate green separation. Here we report a robust porous molecular crystal (TAPM-1), which is stabilized by multiple intermolecular pi...pi interactions. With its long-range pi -stacking, TAPM-1 has excellent hydrophobicity, thermostability, recyclability, and high selectivity for aromatics over the corresponding cyclic aliphatics. This enables TAPM-1 to serve as the stationary phase in the high-resolution gas chromatographic separation of benzene and cyclohexane or toluene and methylcyclohexane.
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