Diamine-Functionalization of a Metal-Organic Framework Adsorbent for Superb Carbon Dioxide Adsorption and Desorption Properties

Woo Ram Lee, Jeong Eun Kim, Sung Jin Lee, Minjung Kang, Dong Won Kang, Hwa Young Lee, Vishwanath Hiremath, Jeong Gil Seo, Hailian Jin, Dohyun Moon, Moses Cho, Yousung Jung, Chang Seop Hong

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

For real-world postcombustion applications in the mitigation of CO2 emissions using dry sorbents, adsorption and desorption behaviors should be controlled to design and fabricate prospective materials with optimal CO2 performances. Herein, we prepared diamine-functionalized Mg2(dobpdc) (H4dobpdc=4,4'-dihydroxy-(1,1'-biphenyl)-3,3'-dicarboxylic acid). (1-diamine) with ethylenediamine (en), primary-secondary (N-ethylethylenediamine-een and N-isopropylethylenediamine-ipen), primary-tertiary, and secondary-secondary diamines. A slight alteration of the number of alkyl substituents on the diamines and their alkyl chain length dictates the desorption temperature (Tdes) at 100% CO2, desorption characteristics, and ΔT systematically to result in the tuning of the working capacity. The existence of bulky substituents on the diamines improves the framework stability upon exposure to O2, SO2, and water vapor, relevant to real flue-gas conditions. Bulky substituents are also responsible for an interesting two-step behavior observed for the ipen case, as revealed by DFT calculations. Among the diamine-appended metal-organic frameworks, 1-een, which has the required adsorption and desorption properties, is a promising material for sorbent-based CO2 capture processes. Hence, CO2 performance and framework durability can be tailored by the judicial selection of the diamine structure, which enables property design at will and facilitates the development of desirable CO2-capture materials.

Original languageEnglish
JournalChemSusChem
DOIs
Publication statusAccepted/In press - 2018 Jan 1

Fingerprint

Diamines
Carbon Dioxide
Adsorbents
Desorption
desorption
Carbon dioxide
carbon dioxide
Metals
adsorption
Adsorption
metal
Sorbents
ethylenediamine
durability
Chain length
Flue gases
Discrete Fourier transforms
Water vapor
water vapor
Durability

Keywords

  • Adsorption
  • Amines
  • Carbon capture
  • Functionalization
  • Metal-organic frameworks

ASJC Scopus subject areas

  • Environmental Chemistry
  • Chemical Engineering(all)
  • Materials Science(all)
  • Energy(all)

Cite this

Diamine-Functionalization of a Metal-Organic Framework Adsorbent for Superb Carbon Dioxide Adsorption and Desorption Properties. / Lee, Woo Ram; Kim, Jeong Eun; Lee, Sung Jin; Kang, Minjung; Kang, Dong Won; Lee, Hwa Young; Hiremath, Vishwanath; Seo, Jeong Gil; Jin, Hailian; Moon, Dohyun; Cho, Moses; Jung, Yousung; Hong, Chang Seop.

In: ChemSusChem, 01.01.2018.

Research output: Contribution to journalArticle

Lee, Woo Ram ; Kim, Jeong Eun ; Lee, Sung Jin ; Kang, Minjung ; Kang, Dong Won ; Lee, Hwa Young ; Hiremath, Vishwanath ; Seo, Jeong Gil ; Jin, Hailian ; Moon, Dohyun ; Cho, Moses ; Jung, Yousung ; Hong, Chang Seop. / Diamine-Functionalization of a Metal-Organic Framework Adsorbent for Superb Carbon Dioxide Adsorption and Desorption Properties. In: ChemSusChem. 2018.
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abstract = "For real-world postcombustion applications in the mitigation of CO2 emissions using dry sorbents, adsorption and desorption behaviors should be controlled to design and fabricate prospective materials with optimal CO2 performances. Herein, we prepared diamine-functionalized Mg2(dobpdc) (H4dobpdc=4,4'-dihydroxy-(1,1'-biphenyl)-3,3'-dicarboxylic acid). (1-diamine) with ethylenediamine (en), primary-secondary (N-ethylethylenediamine-een and N-isopropylethylenediamine-ipen), primary-tertiary, and secondary-secondary diamines. A slight alteration of the number of alkyl substituents on the diamines and their alkyl chain length dictates the desorption temperature (Tdes) at 100{\%} CO2, desorption characteristics, and ΔT systematically to result in the tuning of the working capacity. The existence of bulky substituents on the diamines improves the framework stability upon exposure to O2, SO2, and water vapor, relevant to real flue-gas conditions. Bulky substituents are also responsible for an interesting two-step behavior observed for the ipen case, as revealed by DFT calculations. Among the diamine-appended metal-organic frameworks, 1-een, which has the required adsorption and desorption properties, is a promising material for sorbent-based CO2 capture processes. Hence, CO2 performance and framework durability can be tailored by the judicial selection of the diamine structure, which enables property design at will and facilitates the development of desirable CO2-capture materials.",
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AU - Kang, Dong Won

AU - Lee, Hwa Young

AU - Hiremath, Vishwanath

AU - Seo, Jeong Gil

AU - Jin, Hailian

AU - Moon, Dohyun

AU - Cho, Moses

AU - Jung, Yousung

AU - Hong, Chang Seop

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AB - For real-world postcombustion applications in the mitigation of CO2 emissions using dry sorbents, adsorption and desorption behaviors should be controlled to design and fabricate prospective materials with optimal CO2 performances. Herein, we prepared diamine-functionalized Mg2(dobpdc) (H4dobpdc=4,4'-dihydroxy-(1,1'-biphenyl)-3,3'-dicarboxylic acid). (1-diamine) with ethylenediamine (en), primary-secondary (N-ethylethylenediamine-een and N-isopropylethylenediamine-ipen), primary-tertiary, and secondary-secondary diamines. A slight alteration of the number of alkyl substituents on the diamines and their alkyl chain length dictates the desorption temperature (Tdes) at 100% CO2, desorption characteristics, and ΔT systematically to result in the tuning of the working capacity. The existence of bulky substituents on the diamines improves the framework stability upon exposure to O2, SO2, and water vapor, relevant to real flue-gas conditions. Bulky substituents are also responsible for an interesting two-step behavior observed for the ipen case, as revealed by DFT calculations. Among the diamine-appended metal-organic frameworks, 1-een, which has the required adsorption and desorption properties, is a promising material for sorbent-based CO2 capture processes. Hence, CO2 performance and framework durability can be tailored by the judicial selection of the diamine structure, which enables property design at will and facilitates the development of desirable CO2-capture materials.

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