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Issue 45, 2015
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Poly-functional porous-organic polymers to access functionality – CO2 sorption energetic relationships

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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 Qst 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.

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

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Supplementary files

Article information


Submitted
14 Jul 2015
Accepted
26 Aug 2015
First published
21 Sep 2015

J. Mater. Chem. A, 2015,3, 22584-22590
Article type
Paper
Author version available

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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