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Activation Effect of Fullerene C60on the Carbon Dioxide Absorption Performance of Amine-Rich Polypropylenimine Dendrimers

Enrico Andreoli Orcid Logo, Andrew R. Barron 

ChemSusChem, Volume: 8, Issue: 16, Pages: 2635 - 2644

Swansea University Author: Enrico Andreoli Orcid Logo

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DOI (Published version): 10.1002/cssc.201500605

Abstract

Converting amine-rich compounds into highly effective carbon dioxide (CO2) sorbents requires a better understanding and control of their properties. The reaction of fullerene C60 with polyethyleneimine converts the polymer into a high-performance CO2 sorbent. In this study, experimental evidence is...

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Published in: ChemSusChem
ISSN: 1864-5631
Published: 2015
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URI: https://cronfa.swan.ac.uk/Record/cronfa23513
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first_indexed 2015-10-01T02:09:33Z
last_indexed 2020-08-07T02:40:46Z
id cronfa23513
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spelling 2020-08-06T11:53:30.7406836 v2 23513 2015-09-30 Activation Effect of Fullerene C60on the Carbon Dioxide Absorption Performance of Amine-Rich Polypropylenimine Dendrimers cbd843daab780bb55698a3daccd74df8 0000-0002-1207-2314 Enrico Andreoli Enrico Andreoli true false 2015-09-30 CHEG Converting amine-rich compounds into highly effective carbon dioxide (CO2) sorbents requires a better understanding and control of their properties. The reaction of fullerene C60 with polyethyleneimine converts the polymer into a high-performance CO2 sorbent. In this study, experimental evidence is reported for the activation effect of C60 on the amine moieties of the polymer. To do so, polypropylenimine (PPI) dendrimers that allowed for a systematic comparison of molecular composition and CO2 absorption were used. The addition of C60 to PPI to form PPI–C60 results in a reduction of the energy barrier of CO2 absorption, but also in a parallel decrease in the frequency of successful collisions between CO2 and PPI–C60 due to a possible disruption of the hydrogen-bonding network of amino groups and bound water in PPI. This finding supports the existence of a non-affinity “repulsive” effect between hydrophobic C60 and hydrophilic amines that forces them to be actively exposed to CO2. Journal Article ChemSusChem 8 16 2635 2644 1864-5631 24 7 2015 2015-07-24 10.1002/cssc.201500605 http://onlinelibrary.wiley.com/doi/10.1002/cssc.201500605/abstract COLLEGE NANME Chemical Engineering COLLEGE CODE CHEG Swansea University 2020-08-06T11:53:30.7406836 2015-09-30T10:59:26.0566666 Enrico Andreoli 0000-0002-1207-2314 1 Andrew R. Barron  2
title Activation Effect of Fullerene C60on the Carbon Dioxide Absorption Performance of Amine-Rich Polypropylenimine Dendrimers
spellingShingle Activation Effect of Fullerene C60on the Carbon Dioxide Absorption Performance of Amine-Rich Polypropylenimine Dendrimers
Enrico Andreoli
title_short Activation Effect of Fullerene C60on the Carbon Dioxide Absorption Performance of Amine-Rich Polypropylenimine Dendrimers
title_full Activation Effect of Fullerene C60on the Carbon Dioxide Absorption Performance of Amine-Rich Polypropylenimine Dendrimers
title_fullStr Activation Effect of Fullerene C60on the Carbon Dioxide Absorption Performance of Amine-Rich Polypropylenimine Dendrimers
title_full_unstemmed Activation Effect of Fullerene C60on the Carbon Dioxide Absorption Performance of Amine-Rich Polypropylenimine Dendrimers
title_sort Activation Effect of Fullerene C60on the Carbon Dioxide Absorption Performance of Amine-Rich Polypropylenimine Dendrimers
author_id_str_mv cbd843daab780bb55698a3daccd74df8
author_id_fullname_str_mv cbd843daab780bb55698a3daccd74df8_***_Enrico Andreoli
author Enrico Andreoli
author2 Enrico Andreoli
Andrew R. Barron 
format Journal article
container_title ChemSusChem
container_volume 8
container_issue 16
container_start_page 2635
publishDate 2015
institution Swansea University
issn 1864-5631
doi_str_mv 10.1002/cssc.201500605
url http://onlinelibrary.wiley.com/doi/10.1002/cssc.201500605/abstract
document_store_str 0
active_str 0
description Converting amine-rich compounds into highly effective carbon dioxide (CO2) sorbents requires a better understanding and control of their properties. The reaction of fullerene C60 with polyethyleneimine converts the polymer into a high-performance CO2 sorbent. In this study, experimental evidence is reported for the activation effect of C60 on the amine moieties of the polymer. To do so, polypropylenimine (PPI) dendrimers that allowed for a systematic comparison of molecular composition and CO2 absorption were used. The addition of C60 to PPI to form PPI–C60 results in a reduction of the energy barrier of CO2 absorption, but also in a parallel decrease in the frequency of successful collisions between CO2 and PPI–C60 due to a possible disruption of the hydrogen-bonding network of amino groups and bound water in PPI. This finding supports the existence of a non-affinity “repulsive” effect between hydrophobic C60 and hydrophilic amines that forces them to be actively exposed to CO2.
published_date 2015-07-24T03:27:44Z
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score 11.037056

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