Poly-functional porous-organic polymers to access functionality – CO 2 sorption energetic relationships

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

Research output: Contribution to journalArticlepeer-review

45 Scopus citations

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 for CO 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 CO heat of adsorption (23.8-53.8 kJ mol) 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.
Original languageEnglish (US)
Pages (from-to)22584-22590
Number of pages7
JournalJ. Mater. Chem. A
Volume3
Issue number45
DOIs
StatePublished - 2015

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