Synthesis and characterization of ZIF-7 membranes by in Situ method

Seung Jun Noh; Sung Pil Yoon; Jonghee Han; Sunggook Park; Jinsoo Kim

doi:10.1166/jnn.2015.8347

Synthesis and characterization of ZIF-7 membranes by in Situ method

Seung Jun Noh, Sung Pil Yoon, Jonghee Han, Sunggook Park, Jinsoo Kim

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

6 Citations (Scopus)

Abstract

Zeolitic imidazolate frameworks (ZIFs) have been the focus of interest in adsorption, catalysis, and membrane applications due to their superior thermal and chemical stability, tunable microporous channels, and tailorable physical/chemical properties. In this study, ZIF-7 membranes were successfully prepared on macroporous α-alumina substrate by in situ solvothermal method, without the necessity of seeding or surface modification step. Addition of sodium formate during the reaction facilitates continuous well-intergrown crystalline ZIF-7 layer. As-synthesized ZIF-7 membrane was characterized by XRD, FE-SEM and gas permeation test. The H₂ permeance through 5 μm ZIF-7 membrane was 1.9 × 10^-7 mol/m²·s·Pa with ideal selectivity of H₂/CO₂ = 15.2.

Original language	English
Pages (from-to)	575-578
Number of pages	4
Journal	Journal of Nanoscience and Nanotechnology
Volume	15
Issue number	1
DOIs	https://doi.org/10.1166/jnn.2015.8347
Publication status	Published - 2015 Jan 1

Keywords

Membrane
Metal-Organic frameworks
ZIF-7

ASJC Scopus subject areas

Bioengineering
Chemistry(all)
Biomedical Engineering
Materials Science(all)
Condensed Matter Physics

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abstract = "Zeolitic imidazolate frameworks (ZIFs) have been the focus of interest in adsorption, catalysis, and membrane applications due to their superior thermal and chemical stability, tunable microporous channels, and tailorable physical/chemical properties. In this study, ZIF-7 membranes were successfully prepared on macroporous α-alumina substrate by in situ solvothermal method, without the necessity of seeding or surface modification step. Addition of sodium formate during the reaction facilitates continuous well-intergrown crystalline ZIF-7 layer. As-synthesized ZIF-7 membrane was characterized by XRD, FE-SEM and gas permeation test. The H2 permeance through 5 μm ZIF-7 membrane was 1.9 × 10-7 mol/m2·s·Pa with ideal selectivity of H2/CO2 = 15.2.",

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author = "Noh, {Seung Jun} and Yoon, {Sung Pil} and Jonghee Han and Sunggook Park and Jinsoo Kim",

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AU - Noh, Seung Jun

AU - Yoon, Sung Pil

AU - Han, Jonghee

AU - Park, Sunggook

AU - Kim, Jinsoo

PY - 2015/1/1

Y1 - 2015/1/1

N2 - Zeolitic imidazolate frameworks (ZIFs) have been the focus of interest in adsorption, catalysis, and membrane applications due to their superior thermal and chemical stability, tunable microporous channels, and tailorable physical/chemical properties. In this study, ZIF-7 membranes were successfully prepared on macroporous α-alumina substrate by in situ solvothermal method, without the necessity of seeding or surface modification step. Addition of sodium formate during the reaction facilitates continuous well-intergrown crystalline ZIF-7 layer. As-synthesized ZIF-7 membrane was characterized by XRD, FE-SEM and gas permeation test. The H2 permeance through 5 μm ZIF-7 membrane was 1.9 × 10-7 mol/m2·s·Pa with ideal selectivity of H2/CO2 = 15.2.

AB - Zeolitic imidazolate frameworks (ZIFs) have been the focus of interest in adsorption, catalysis, and membrane applications due to their superior thermal and chemical stability, tunable microporous channels, and tailorable physical/chemical properties. In this study, ZIF-7 membranes were successfully prepared on macroporous α-alumina substrate by in situ solvothermal method, without the necessity of seeding or surface modification step. Addition of sodium formate during the reaction facilitates continuous well-intergrown crystalline ZIF-7 layer. As-synthesized ZIF-7 membrane was characterized by XRD, FE-SEM and gas permeation test. The H2 permeance through 5 μm ZIF-7 membrane was 1.9 × 10-7 mol/m2·s·Pa with ideal selectivity of H2/CO2 = 15.2.

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Synthesis and characterization of ZIF-7 membranes by in Situ method

Abstract

Keywords

ASJC Scopus subject areas

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