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Introduction of Functionalized Mesopores to Metal–Organic Frameworks via Metal–Ligand–Fragment Coassembly

Introduction of functionalized mesopores into microporous metalorganic frameworks (MOFs) can endow them with suitable properties for applications in gas storage, separation, catalysis, and drug delivery. However, common methods for functionalization (including pre- and postsynthetic modifications) o... Full description

Journal Title: Journal of the American Chemical Society 03 December 2012, Vol.134(49)
Main Author: Park, Jinhee
Other Authors: Wang, Zhiyong U , Sun, Lin-Bing , Chen, Ying-Pin , Zhou, Hong-Cai
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0002-7863 ; E-ISSN: 1520-5126 ; DOI: 10.1021/ja3085884
Link: https://www.osti.gov/biblio/1382164
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recordid: osti_s1382164
title: Introduction of Functionalized Mesopores to Metal–Organic Frameworks via Metal–Ligand–Fragment Coassembly
format: Article
creator:
  • Park, Jinhee
  • Wang, Zhiyong U
  • Sun, Lin-Bing
  • Chen, Ying-Pin
  • Zhou, Hong-Cai
subjects:
  • Membrane, Carbon Capture, Materials and Chemistry By Design, Synthesis (Novel Materials), Synthesis (Self-Assembly), Synthesis (Scalable Processing)
  • Chemistry
ispartof: Journal of the American Chemical Society, 03 December 2012, Vol.134(49)
description: Introduction of functionalized mesopores into microporous metalorganic frameworks (MOFs) can endow them with suitable properties for applications in gas storage, separation, catalysis, and drug delivery. However, common methods for functionalization (including pre- and postsynthetic modifications) of the internal surface of a MOP reduce the pore size of the MOP because the additional functional groups fill up the pores. We present a metal ligand-fragment coassembly strategy for the introduction of (meso)pores functionalized with various substituent groups on the ligand fragments. Astonishingly, this new functionalization strategy increases the pore volume of a MOF instead of reducing it. Since the ligand fragments are often readily available or easily prepared, the new procedure for synthesis of the modified MOFs becomes much easier and more applicable than existing approaches. Remarkably, mesopores can be generated conveniently and controllably by the coassembly of a ligand and its fragment containing the desired functional groups. The fragment/ligand ratio has been optimized to preserve the parent structure and to promote maximum mesopore introduction, which has led to a systematic evaluation of the effectiveness of a series of functional groups for the adsorption of guest molecules.
language: eng
source:
identifier: ISSN: 0002-7863 ; E-ISSN: 1520-5126 ; DOI: 10.1021/ja3085884
fulltext: no_fulltext
issn:
  • 0002-7863
  • 00027863
  • 1520-5126
  • 15205126
url: Link


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titleIntroduction of Functionalized Mesopores to Metal–Organic Frameworks via Metal–Ligand–Fragment Coassembly
creatorPark, Jinhee ; Wang, Zhiyong U ; Sun, Lin-Bing ; Chen, Ying-Pin ; Zhou, Hong-Cai
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descriptionIntroduction of functionalized mesopores into microporous metalorganic frameworks (MOFs) can endow them with suitable properties for applications in gas storage, separation, catalysis, and drug delivery. However, common methods for functionalization (including pre- and postsynthetic modifications) of the internal surface of a MOP reduce the pore size of the MOP because the additional functional groups fill up the pores. We present a metal ligand-fragment coassembly strategy for the introduction of (meso)pores functionalized with various substituent groups on the ligand fragments. Astonishingly, this new functionalization strategy increases the pore volume of a MOF instead of reducing it. Since the ligand fragments are often readily available or easily prepared, the new procedure for synthesis of the modified MOFs becomes much easier and more applicable than existing approaches. Remarkably, mesopores can be generated conveniently and controllably by the coassembly of a ligand and its fragment containing the desired functional groups. The fragment/ligand ratio has been optimized to preserve the parent structure and to promote maximum mesopore introduction, which has led to a systematic evaluation of the effectiveness of a series of functional groups for the adsorption of guest molecules.
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