Poly-functional porous-organic polymers to access functionality – CO2 sorption energetic relationships

Mohamed H. Alkordi; Rana R. Haikal; Youssef S. Hassan; Abdul-Hamid Emwas; Youssef Belmabkhout

doi:10.1039/C5TA05297A

Poly-functional porous-organic polymers to access functionality – CO₂ sorption energetic relationships

Mohamed H. Alkordi,*^a Rana R. Haikal,^a Youssef S. Hassan,^a Abdul-Hamid Emwas^b and Youssef Belmabkhout^c

Author affiliations

* Corresponding authors

^a Zewail City of Science and Technology, Center for Materials Science, Sheikh Zayed District, Giza, Egypt
E-mail: malkordi@zewailcity.edu.eg

^b King Abdullah University of Science and Technology (KAUST), NMR Core Lab, Thuwal, Kingdom of Saudi Arabia

^c King Abdullah University of Science and Technology (KAUST), Center for Advanced Membranes and Porous Materials, Thuwal, Kingdom of Saudi Arabia

Abstract

Herein, we report a facile approach towards the construction of poly-functional porous organic polymers (POPs). The functional groups employed were selected to span the range of Lewis-base to neutral to Lewis-acid character. Our results underline the effect of chemical functionality on the observed Q_st for CO₂ adsorption inside the material, being largest for functional groups with electron donating O- and N-centered Lewis base sites. Our systematic investigation within a family of POPs revealed a wide range for CO₂ heat of adsorption (23.8–53.8 kJ mol⁻¹) that is clearly associated with the chemical nature of the functional groups present. In addition, post-synthetic modification of POPs reported herein demonstrated a facile pathway to dramatically enhance carbon dioxide uptake energetics.

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Publication details

The article was received on 14 Jul 2015, accepted on 26 Aug 2015 and first published on 21 Sep 2015

Article type: Paper

DOI: 10.1039/C5TA05297A

Author version available: Download Author version (PDF)

Citation: J. Mater. Chem. A, 2015,3, 22584-22590

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Poly-functional porous-organic polymers to access functionality – CO₂ sorption energetic relationships

M. H. Alkordi, R. R. Haikal, Y. S. Hassan, A. Emwas and Y. Belmabkhout, J. Mater. Chem. A, 2015, 3, 22584
DOI: 10.1039/C5TA05297A
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Journal of Materials Chemistry A

Poly-functional porous-organic polymers to access functionality – CO₂ sorption energetic relationships

Abstract

Supplementary files

Publication details

Poly-functional porous-organic polymers to access functionality – CO₂ sorption energetic relationships

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