Azo-Linked Porous Organic Polymers for Selective Carbon Dioxide Capture and Metal Ion Removal

Mahmoud M. Abdelnaby; Tawfik A. Saleh; Mostafa Zeama; Mahmoud Atef Abdalla; Hossam M. Ahmed; Mohamed A. Habib

doi:10.1021/acsomega.1c05905

Azo-Linked Porous Organic Polymers for Selective Carbon Dioxide Capture and Metal Ion Removal

Mahmoud M. Abdelnaby^*, Tawfik A. Saleh, Mostafa Zeama, Mahmoud Atef Abdalla, Hossam M. Ahmed, Mohamed A. Habib

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

22 Scopus citations

Abstract

The facile and environmentally friendly synthesis of porous organic polymers with designed polar functionalities decorating the interior frameworks as an excellent adsorbent for selective carbon dioxide capture and metal ion removal is a target worth pursuing for environmental applications. In this regard, two azo-linked porous organic polymers denoted man-Azo-P1 and man-Azo-P2 were synthesized in water by the azo-linking of 4,4′-diaminobiphenyl (benzidine) and 4,4′-methylenedianiline, respectively, with 1,3,5-trihydroxybenzene. The resulting polymers showed good BET surface areas of 290 and 78 m²g^-1for man-Azo-P1 and man-Azo-P2, respectively. Due to the enriched core functionality of the azo (-N═N-) and hydroxyl groups along with the porous frameworks, man-Azo-P1 exhibited a good CO₂uptake capacity of 32 cm³g^-1at 273 K and 1 bar, in addition to the remarkable removal of lead (Pd), chromium (Cr), arsenic (As), nickel (Ni), copper (Cu), and mercury (Hg) ions. This performance of the synthesized man-Azo-P1 and man-Azo-P2 in the dual application of CO₂capture and heavy metal ion removal highlights the unique properties of azo-linked POPs as excellent and stable sorbent materials for the current challenging environmental applications.

Original language	English
Pages (from-to)	14535-14543
Number of pages	9
Journal	ACS Omega
Volume	7
Issue number	17
DOIs	https://doi.org/10.1021/acsomega.1c05905
State	Published - 3 May 2022

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ASJC Scopus subject areas

General Chemistry
General Chemical Engineering

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title = "Azo-Linked Porous Organic Polymers for Selective Carbon Dioxide Capture and Metal Ion Removal",

abstract = "The facile and environmentally friendly synthesis of porous organic polymers with designed polar functionalities decorating the interior frameworks as an excellent adsorbent for selective carbon dioxide capture and metal ion removal is a target worth pursuing for environmental applications. In this regard, two azo-linked porous organic polymers denoted man-Azo-P1 and man-Azo-P2 were synthesized in water by the azo-linking of 4,4′-diaminobiphenyl (benzidine) and 4,4′-methylenedianiline, respectively, with 1,3,5-trihydroxybenzene. The resulting polymers showed good BET surface areas of 290 and 78 m2g-1for man-Azo-P1 and man-Azo-P2, respectively. Due to the enriched core functionality of the azo (-N═N-) and hydroxyl groups along with the porous frameworks, man-Azo-P1 exhibited a good CO2uptake capacity of 32 cm3g-1at 273 K and 1 bar, in addition to the remarkable removal of lead (Pd), chromium (Cr), arsenic (As), nickel (Ni), copper (Cu), and mercury (Hg) ions. This performance of the synthesized man-Azo-P1 and man-Azo-P2 in the dual application of CO2capture and heavy metal ion removal highlights the unique properties of azo-linked POPs as excellent and stable sorbent materials for the current challenging environmental applications.",

author = "Abdelnaby, {Mahmoud M.} and Saleh, {Tawfik A.} and Mostafa Zeama and Abdalla, {Mahmoud Atef} and Ahmed, {Hossam M.} and Habib, {Mohamed A.}",

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AU - Abdelnaby, Mahmoud M.

AU - Saleh, Tawfik A.

AU - Zeama, Mostafa

AU - Abdalla, Mahmoud Atef

AU - Ahmed, Hossam M.

AU - Habib, Mohamed A.

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AB - The facile and environmentally friendly synthesis of porous organic polymers with designed polar functionalities decorating the interior frameworks as an excellent adsorbent for selective carbon dioxide capture and metal ion removal is a target worth pursuing for environmental applications. In this regard, two azo-linked porous organic polymers denoted man-Azo-P1 and man-Azo-P2 were synthesized in water by the azo-linking of 4,4′-diaminobiphenyl (benzidine) and 4,4′-methylenedianiline, respectively, with 1,3,5-trihydroxybenzene. The resulting polymers showed good BET surface areas of 290 and 78 m2g-1for man-Azo-P1 and man-Azo-P2, respectively. Due to the enriched core functionality of the azo (-N═N-) and hydroxyl groups along with the porous frameworks, man-Azo-P1 exhibited a good CO2uptake capacity of 32 cm3g-1at 273 K and 1 bar, in addition to the remarkable removal of lead (Pd), chromium (Cr), arsenic (As), nickel (Ni), copper (Cu), and mercury (Hg) ions. This performance of the synthesized man-Azo-P1 and man-Azo-P2 in the dual application of CO2capture and heavy metal ion removal highlights the unique properties of azo-linked POPs as excellent and stable sorbent materials for the current challenging environmental applications.

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Azo-Linked Porous Organic Polymers for Selective Carbon Dioxide Capture and Metal Ion Removal

Abstract

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UN SDGs

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