Exceptional CO<inf>2</inf> working capacity in a heterodiamine-grafted metal-organic framework

Woo Ram Lee, Hyuna Jo, Li Ming Yang, Hanyeong Lee, Dae Won Ryu, Kwang Soo Lim, Jeong Hwa Song, Da Young Min, Sang Soo Han, Jeong Gil Seo, Yong Ki Park, Dohyun Moon, Chang Seop Hong

Research output: Contribution to journalArticle

55 Citations (Scopus)

Abstract

An amine-functionalized metal-organic framework (MOF), dmen-Mg<inf>2</inf>(dobpdc) (dmen = N,N-dimethylethylenediamine), which contains a heterodiamine with both primary and tertiary amines, was prepared via a post-synthetic method. This material exhibits a significant selectivity factor for CO<inf>2</inf> over N<inf>2</inf> that is commensurate with top-performing MOFs. It is remarkable that the solid is fully regenerated under vacuum or flowing Ar at low desorption temperatures, and following this can take up CO<inf>2</inf> at more than 13 wt%. An exceptionally high working capacity is achieved at low regeneration temperatures and after exposure to humid conditions, which are important parameters for a real post-combustion CO<inf>2</inf> capture process.

Original languageEnglish
Pages (from-to)3697-3705
Number of pages9
JournalChemical Science
Volume6
Issue number7
DOIs
Publication statusPublished - 2015 Jul 1

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Amines
Metals
Desorption
Vacuum
Temperature
dimethylethylenediamine

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Exceptional CO<inf>2</inf> working capacity in a heterodiamine-grafted metal-organic framework. / Lee, Woo Ram; Jo, Hyuna; Yang, Li Ming; Lee, Hanyeong; Ryu, Dae Won; Lim, Kwang Soo; Song, Jeong Hwa; Min, Da Young; Han, Sang Soo; Seo, Jeong Gil; Park, Yong Ki; Moon, Dohyun; Hong, Chang Seop.

In: Chemical Science, Vol. 6, No. 7, 01.07.2015, p. 3697-3705.

Research output: Contribution to journalArticle

Lee, WR, Jo, H, Yang, LM, Lee, H, Ryu, DW, Lim, KS, Song, JH, Min, DY, Han, SS, Seo, JG, Park, YK, Moon, D & Hong, CS 2015, 'Exceptional CO<inf>2</inf> working capacity in a heterodiamine-grafted metal-organic framework', Chemical Science, vol. 6, no. 7, pp. 3697-3705. https://doi.org/10.1039/c5sc01191d
Lee, Woo Ram ; Jo, Hyuna ; Yang, Li Ming ; Lee, Hanyeong ; Ryu, Dae Won ; Lim, Kwang Soo ; Song, Jeong Hwa ; Min, Da Young ; Han, Sang Soo ; Seo, Jeong Gil ; Park, Yong Ki ; Moon, Dohyun ; Hong, Chang Seop. / Exceptional CO<inf>2</inf> working capacity in a heterodiamine-grafted metal-organic framework. In: Chemical Science. 2015 ; Vol. 6, No. 7. pp. 3697-3705.
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AU - Lim, Kwang Soo

AU - Song, Jeong Hwa

AU - Min, Da Young

AU - Han, Sang Soo

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AU - Park, Yong Ki

AU - Moon, Dohyun

AU - Hong, Chang Seop

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