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Title: Simple Fabrication Method for Mixed Matrix Membranes with in Situ MOF Growth for Gas Separation

Abstract

Metal organic framework (MOF)/polymer composite membranes are of interest for gas separations, as they often have performance that exceeds the neat polymer. However, traditional composite membranes, known as mixed matrix membranes (MMMs), can have complex and time-consuming preparation procedures. The MOF and polymer are traditionally prepared separately and require priming and mixing to ensure uniform distribution of particles and compatibility of the polymer–particle interface. In this study, we reduce the number of steps using an in situ MOF growth strategy. Herein, MMMs are prepared by growing MOF (UiO-66) in situ within a Matrimid polymer matrix while simultaneously curing the matrix. The gas separation performance for MMMs, prepared using this approach, was evaluated for the CO 2/N 2 separation and compared with MMMs made using the traditional postsynthesis mixing. It was found that MMMs prepared using both the in situ MOF growth strategy and by traditional postsynthesis mixing are equivalent in performance. Finally, using the in situ MOF growth allows for a simpler, faster, and potentially more economical fabrication alternative for MMMs.

Authors:
 [1]; ORCiD logo [2]; ORCiD logo [2];  [2];  [3]
  1. Oak Ridge Inst. for Science and Education (ORISE), Pittsburgh, PA (United States); National Energy Technology Lab. (NETL), Pittsburgh, PA (United States)
  2. National Energy Technology Lab. (NETL), Pittsburgh, PA (United States); AECOM, Pittsburgh, PA (United States)
  3. National Energy Technology Lab. (NETL), Pittsburgh, PA (United States)
Publication Date:
Research Org.:
Energy Frontier Research Centers (EFRC) (United States). Center for Gas Separations Relevant to Clean Energy Technologies (CGS); Univ. of California, Oakland, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1566351
Grant/Contract Number:  
SC0001015
Resource Type:
Accepted Manuscript
Journal Name:
ACS Applied Materials and Interfaces
Additional Journal Information:
Journal Volume: 10; Journal Issue: 29; Journal ID: ISSN 1944-8244
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; membrane; carbon capture; materials and chemistry by design; synthesis (novel materials); synthesis (self-assembly); synthesis (scalable processing); metal organic framework; mixed matrix membrane; in situ growth; Matrimid; UiO-66; Co2/N2 separation

Citation Formats

Marti, Anne M., Venna, Surendar R., Roth, Elliot A., Culp, Jeffrey T., and Hopkinson, David P. Simple Fabrication Method for Mixed Matrix Membranes with in Situ MOF Growth for Gas Separation. United States: N. p., 2018. Web. doi:10.1021/acsami.8b06592.
Marti, Anne M., Venna, Surendar R., Roth, Elliot A., Culp, Jeffrey T., & Hopkinson, David P. Simple Fabrication Method for Mixed Matrix Membranes with in Situ MOF Growth for Gas Separation. United States. doi:10.1021/acsami.8b06592.
Marti, Anne M., Venna, Surendar R., Roth, Elliot A., Culp, Jeffrey T., and Hopkinson, David P. Thu . "Simple Fabrication Method for Mixed Matrix Membranes with in Situ MOF Growth for Gas Separation". United States. doi:10.1021/acsami.8b06592. https://www.osti.gov/servlets/purl/1566351.
@article{osti_1566351,
title = {Simple Fabrication Method for Mixed Matrix Membranes with in Situ MOF Growth for Gas Separation},
author = {Marti, Anne M. and Venna, Surendar R. and Roth, Elliot A. and Culp, Jeffrey T. and Hopkinson, David P.},
abstractNote = {Metal organic framework (MOF)/polymer composite membranes are of interest for gas separations, as they often have performance that exceeds the neat polymer. However, traditional composite membranes, known as mixed matrix membranes (MMMs), can have complex and time-consuming preparation procedures. The MOF and polymer are traditionally prepared separately and require priming and mixing to ensure uniform distribution of particles and compatibility of the polymer–particle interface. In this study, we reduce the number of steps using an in situ MOF growth strategy. Herein, MMMs are prepared by growing MOF (UiO-66) in situ within a Matrimid polymer matrix while simultaneously curing the matrix. The gas separation performance for MMMs, prepared using this approach, was evaluated for the CO2/N2 separation and compared with MMMs made using the traditional postsynthesis mixing. It was found that MMMs prepared using both the in situ MOF growth strategy and by traditional postsynthesis mixing are equivalent in performance. Finally, using the in situ MOF growth allows for a simpler, faster, and potentially more economical fabrication alternative for MMMs.},
doi = {10.1021/acsami.8b06592},
journal = {ACS Applied Materials and Interfaces},
number = 29,
volume = 10,
place = {United States},
year = {2018},
month = {6}
}

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