Porous organic polymers containing nitrogen-rich building units are among the most promising materials for selective CO2 capture and separation which can have a tangible impact on the environment and clean energy applications. Herein we report on the synthesis and characterization of four new porous benzimidazole-linked polymers (BILPs) and evaluate their performance in small gas storage (H-2, CH4, CO2) and selective CO2 binding over N-2 and CH4. BILPs were synthesized in good yields by the condensation reaction between aryl-o-diamine and aryl-aldehyde building blocks. The resulting BILPs exhibit moderate surface area (SA(BET) = 599-1306 m(2) g(-1)), high chemical and thermal stability, and remarkable gas uptake and selectivity. The highest selectivity based on initial slope calculations at 273 K was observed for BILP-2: CO2/N-2 (113) and CO2/CH4 (17), while the highest storage capacity was recorded for BILP-4: CO2 (24 wt % at 273 K and 1 bar) and H-2 (2.3 wt % at 77 K and 1 bar). These selectivities and gas uptakes are among the highest by porous organic polymers known to date which in addition to the remarkable chemical and physical stability of BILPs make this class of material very promising for future use in gas storage and separation applications.
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Texas A&M Univ, Dept Chem, College Stn, TX 77842 USAKIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
Lu, Weigang
Yuan, Daqiang
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Texas A&M Univ, Dept Chem, College Stn, TX 77842 USAKIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
Yuan, Daqiang
Zhao, Dan
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Texas A&M Univ, Dept Chem, College Stn, TX 77842 USAKIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
Zhao, Dan
Schilling, Christine Inge
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KIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
KIT, Ctr Funct Nanostruct, D-76131 Karlsruhe, GermanyKIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
Schilling, Christine Inge
Plietzsch, Oliver
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KIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
KIT, Ctr Funct Nanostruct, D-76131 Karlsruhe, GermanyKIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
Plietzsch, Oliver
Muller, Thierry
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KIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
KIT, Ctr Funct Nanostruct, D-76131 Karlsruhe, GermanyKIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
Muller, Thierry
Braese, Stefan
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KIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
KIT, Ctr Funct Nanostruct, D-76131 Karlsruhe, GermanyKIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
Braese, Stefan
Guenther, Johannes
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Texas A&M Univ, Dept Chem, College Stn, TX 77842 USAKIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
Guenther, Johannes
Blumel, Janet
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Texas A&M Univ, Dept Chem, College Stn, TX 77842 USAKIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
Blumel, Janet
Krishna, Rajamani
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Univ Amsterdam, Vant Hoff Inst Mol Sci, NL-1098 XH Amsterdam, NetherlandsKIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
Krishna, Rajamani
Li, Zhen
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Texas A&M Univ, Mat Characterizat Facil, College Stn, TX 77842 USAKIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
Li, Zhen
Zhou, Hong-Cai
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Texas A&M Univ, Dept Chem, College Stn, TX 77842 USAKIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
机构:
Texas A&M Univ, Dept Chem, College Stn, TX 77842 USAKIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
Lu, Weigang
Yuan, Daqiang
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h-index: 0
机构:
Texas A&M Univ, Dept Chem, College Stn, TX 77842 USAKIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
Yuan, Daqiang
Zhao, Dan
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h-index: 0
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Texas A&M Univ, Dept Chem, College Stn, TX 77842 USAKIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
Zhao, Dan
Schilling, Christine Inge
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h-index: 0
机构:
KIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
KIT, Ctr Funct Nanostruct, D-76131 Karlsruhe, GermanyKIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
Schilling, Christine Inge
Plietzsch, Oliver
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h-index: 0
机构:
KIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
KIT, Ctr Funct Nanostruct, D-76131 Karlsruhe, GermanyKIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
Plietzsch, Oliver
Muller, Thierry
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h-index: 0
机构:
KIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
KIT, Ctr Funct Nanostruct, D-76131 Karlsruhe, GermanyKIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
Muller, Thierry
Braese, Stefan
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h-index: 0
机构:
KIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
KIT, Ctr Funct Nanostruct, D-76131 Karlsruhe, GermanyKIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
Braese, Stefan
Guenther, Johannes
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h-index: 0
机构:
Texas A&M Univ, Dept Chem, College Stn, TX 77842 USAKIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
Guenther, Johannes
Blumel, Janet
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h-index: 0
机构:
Texas A&M Univ, Dept Chem, College Stn, TX 77842 USAKIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
Blumel, Janet
Krishna, Rajamani
论文数: 0引用数: 0
h-index: 0
机构:
Univ Amsterdam, Vant Hoff Inst Mol Sci, NL-1098 XH Amsterdam, NetherlandsKIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
Krishna, Rajamani
Li, Zhen
论文数: 0引用数: 0
h-index: 0
机构:
Texas A&M Univ, Mat Characterizat Facil, College Stn, TX 77842 USAKIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
Li, Zhen
Zhou, Hong-Cai
论文数: 0引用数: 0
h-index: 0
机构:
Texas A&M Univ, Dept Chem, College Stn, TX 77842 USAKIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany