A MOF Glass Membrane for Gas Separation

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Autoren

  • Yuhan Wang
  • Hua Jin
  • Qiang Ma
  • Kai Mo
  • Haizhuo Mao
  • Armin Feldhoff
  • Xingzhong Cao
  • Yanshuo Li
  • Fusheng Pan
  • Zhongyi Jiang

Externe Organisationen

  • Tianjin University
  • Ningbo University
  • CAS - Institute of High Energy Physics
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Details

OriginalspracheEnglisch
Seiten (von - bis)4365-4369
Seitenumfang5
FachzeitschriftAngewandte Chemie
Jahrgang59
Ausgabenummer11
Frühes Online-Datum1 Jan. 2020
PublikationsstatusVeröffentlicht - 2 März 2020

Abstract

Metal–organic framework (MOF) glasses are promising candidates for membrane fabrication due to their significant porosity, the ease of processing, and most notably, the potential to eliminate the grain boundary that is unavoidable for polycrystalline MOF membranes. Herein, we developed a ZIF-62 MOF glass membrane and exploited its intrinsic gas-separation properties. The MOF glass membrane was fabricated by melt-quenching treatment of an in situ solvothermally synthesized polycrystalline ZIF-62 MOF membrane on a porous ceramic alumina support. The molten ZIF-62 phase penetrated into the nanopores of the support and eliminated the formation of intercrystalline defects in the resultant glass membrane. The molecular sieving ability of the MOF membrane is remarkably enhanced via vitrification. The separation factors of the MOF glass membrane for H2/CH4, CO2/N2 and CO2/CH4 mixtures are 50.7, 34.5, and 36.6, respectively, far exceeding the Robeson upper bounds.

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A MOF Glass Membrane for Gas Separation. / Wang, Yuhan; Jin, Hua; Ma, Qiang et al.
in: Angewandte Chemie , Jahrgang 59, Nr. 11, 02.03.2020, S. 4365-4369.

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Wang, Y, Jin, H, Ma, Q, Mo, K, Mao, H, Feldhoff, A, Cao, X, Li, Y, Pan, F & Jiang, Z 2020, 'A MOF Glass Membrane for Gas Separation', Angewandte Chemie , Jg. 59, Nr. 11, S. 4365-4369. https://doi.org/10.1002/ange.201915807
Wang, Y., Jin, H., Ma, Q., Mo, K., Mao, H., Feldhoff, A., Cao, X., Li, Y., Pan, F., & Jiang, Z. (2020). A MOF Glass Membrane for Gas Separation. Angewandte Chemie , 59(11), 4365-4369. https://doi.org/10.1002/ange.201915807
Wang Y, Jin H, Ma Q, Mo K, Mao H, Feldhoff A et al. A MOF Glass Membrane for Gas Separation. Angewandte Chemie . 2020 Mär 2;59(11):4365-4369. Epub 2020 Jan 1. doi: 10.1002/ange.201915807
Wang, Yuhan ; Jin, Hua ; Ma, Qiang et al. / A MOF Glass Membrane for Gas Separation. in: Angewandte Chemie . 2020 ; Jahrgang 59, Nr. 11. S. 4365-4369.
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title = "A MOF Glass Membrane for Gas Separation",
abstract = "Metal–organic framework (MOF) glasses are promising candidates for membrane fabrication due to their significant porosity, the ease of processing, and most notably, the potential to eliminate the grain boundary that is unavoidable for polycrystalline MOF membranes. Herein, we developed a ZIF-62 MOF glass membrane and exploited its intrinsic gas-separation properties. The MOF glass membrane was fabricated by melt-quenching treatment of an in situ solvothermally synthesized polycrystalline ZIF-62 MOF membrane on a porous ceramic alumina support. The molten ZIF-62 phase penetrated into the nanopores of the support and eliminated the formation of intercrystalline defects in the resultant glass membrane. The molecular sieving ability of the MOF membrane is remarkably enhanced via vitrification. The separation factors of the MOF glass membrane for H2/CH4, CO2/N2 and CO2/CH4 mixtures are 50.7, 34.5, and 36.6, respectively, far exceeding the Robeson upper bounds.",
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author = "Yuhan Wang and Hua Jin and Qiang Ma and Kai Mo and Haizhuo Mao and Armin Feldhoff and Xingzhong Cao and Yanshuo Li and Fusheng Pan and Zhongyi Jiang",
note = "Funding Information: This work was supported by the National Natural Science Foundation of China (NO. 21838008, 21878216, 21808113, 21622607, 21761132009, U1732120), National Key R&D Program of China (2017YFA0403801), National Natural Science Foundation of Zhejiang (No. LR18B060002), “Ten thousand plan” high‐level talents special support plan of Zhejiang province (No. ZJWR0108011), Major Special Projects of the Plan “Science and Technology Innovation 2025” in Ningbo (No. 2018B10016), and the K. C. Wong Magna Fund in Ningbo University. We thank Prof. He Lin, Hongkai Gu, Prof. Yanan Fu, and Prof. Yu Chen for their supports with the total scattering measurements and PDF analysis. ",
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T1 - A MOF Glass Membrane for Gas Separation

AU - Wang, Yuhan

AU - Jin, Hua

AU - Ma, Qiang

AU - Mo, Kai

AU - Mao, Haizhuo

AU - Feldhoff, Armin

AU - Cao, Xingzhong

AU - Li, Yanshuo

AU - Pan, Fusheng

AU - Jiang, Zhongyi

N1 - Funding Information: This work was supported by the National Natural Science Foundation of China (NO. 21838008, 21878216, 21808113, 21622607, 21761132009, U1732120), National Key R&D Program of China (2017YFA0403801), National Natural Science Foundation of Zhejiang (No. LR18B060002), “Ten thousand plan” high‐level talents special support plan of Zhejiang province (No. ZJWR0108011), Major Special Projects of the Plan “Science and Technology Innovation 2025” in Ningbo (No. 2018B10016), and the K. C. Wong Magna Fund in Ningbo University. We thank Prof. He Lin, Hongkai Gu, Prof. Yanan Fu, and Prof. Yu Chen for their supports with the total scattering measurements and PDF analysis.

PY - 2020/3/2

Y1 - 2020/3/2

N2 - Metal–organic framework (MOF) glasses are promising candidates for membrane fabrication due to their significant porosity, the ease of processing, and most notably, the potential to eliminate the grain boundary that is unavoidable for polycrystalline MOF membranes. Herein, we developed a ZIF-62 MOF glass membrane and exploited its intrinsic gas-separation properties. The MOF glass membrane was fabricated by melt-quenching treatment of an in situ solvothermally synthesized polycrystalline ZIF-62 MOF membrane on a porous ceramic alumina support. The molten ZIF-62 phase penetrated into the nanopores of the support and eliminated the formation of intercrystalline defects in the resultant glass membrane. The molecular sieving ability of the MOF membrane is remarkably enhanced via vitrification. The separation factors of the MOF glass membrane for H2/CH4, CO2/N2 and CO2/CH4 mixtures are 50.7, 34.5, and 36.6, respectively, far exceeding the Robeson upper bounds.

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KW - gas separation

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