A three-dimensional metal-organic framework with high performance of dual cation sensing synthesized single-crystal transformation
A layer-pillared three-dimensional (3D) metal-organic framework (MOF) BUT-26 was synthesized from a two-dimensional (2D) MOF BUT-25 through single-crystal to single-crystal (SC-SC) transformation. Two honeycomb-shaped layers were linked by formate ions forming a bilayer structure of BUT-25 . The for...
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Published in | New journal of chemistry Vol. 44; no. 27; pp. 11829 - 11834 |
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Main Authors | , , , , , , , , |
Format | Journal Article |
Language | English |
Published |
13.07.2020
|
Online Access | Get full text |
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Abstract | A layer-pillared three-dimensional (3D) metal-organic framework (MOF)
BUT-26
was synthesized from a two-dimensional (2D) MOF
BUT-25
through single-crystal to single-crystal (SC-SC) transformation. Two honeycomb-shaped layers were linked by formate ions forming a bilayer structure of
BUT-25
. The formate pillar was then exchanged by the subsequently added ligand thiophene-2,5-dicarboxylic acid (H
2
TDC), which successfully stitched the 2D layers of
BUT-25
into 3D
BUT-26
without disturbing the original honeycomb-shaped layers. Interestingly,
BUT-26
with free nitrogen and oxygen sites proved to be a highly sensitive MOF-based sensor with a limit of detection (LOD) of 0.12 μM and 0.1 μM for Cu
2+
and Fe
3+
ions, respectively. These LOD results are much lower than the minimum values of these ions in drinking water specified by the US-EPA. Sensitive detection accompanied by a visible color change in the solution and solid phase confirms that
BUT-26
can be used for colorimetric sensing of both ions.
BUT-26
, synthesized
via
a ligand exchange reaction, can detect trace amounts of Cu
2+
and Fe
3+
ions in aqueous solutions. |
---|---|
AbstractList | A layer-pillared three-dimensional (3D) metal-organic framework (MOF)
BUT-26
was synthesized from a two-dimensional (2D) MOF
BUT-25
through single-crystal to single-crystal (SC-SC) transformation. Two honeycomb-shaped layers were linked by formate ions forming a bilayer structure of
BUT-25
. The formate pillar was then exchanged by the subsequently added ligand thiophene-2,5-dicarboxylic acid (H
2
TDC), which successfully stitched the 2D layers of
BUT-25
into 3D
BUT-26
without disturbing the original honeycomb-shaped layers. Interestingly,
BUT-26
with free nitrogen and oxygen sites proved to be a highly sensitive MOF-based sensor with a limit of detection (LOD) of 0.12 μM and 0.1 μM for Cu
2+
and Fe
3+
ions, respectively. These LOD results are much lower than the minimum values of these ions in drinking water specified by the US-EPA. Sensitive detection accompanied by a visible color change in the solution and solid phase confirms that
BUT-26
can be used for colorimetric sensing of both ions.
BUT-26
, synthesized
via
a ligand exchange reaction, can detect trace amounts of Cu
2+
and Fe
3+
ions in aqueous solutions. |
Author | Zhao, Min-Jian Alamgir Li, Jian-Rong Talha, Khalid He, Tao Zhang, Yong-Zheng Chen, Qiang Xie, Lin-Hua Wang, Bin |
AuthorAffiliation | Beijing University of Technology College of Environmental and Energy Engineering Beijing Key Laboratory for Green Catalysis and Separation |
AuthorAffiliation_xml | – name: Beijing Key Laboratory for Green Catalysis and Separation – name: College of Environmental and Energy Engineering – name: Beijing University of Technology |
Author_xml | – sequence: 1 givenname: Khalid surname: Talha fullname: Talha, Khalid – sequence: 2 surname: Alamgir fullname: Alamgir – sequence: 3 givenname: Tao surname: He fullname: He, Tao – sequence: 4 givenname: Lin-Hua surname: Xie fullname: Xie, Lin-Hua – sequence: 5 givenname: Bin surname: Wang fullname: Wang, Bin – sequence: 6 givenname: Min-Jian surname: Zhao fullname: Zhao, Min-Jian – sequence: 7 givenname: Yong-Zheng surname: Zhang fullname: Zhang, Yong-Zheng – sequence: 8 givenname: Qiang surname: Chen fullname: Chen, Qiang – sequence: 9 givenname: Jian-Rong surname: Li fullname: Li, Jian-Rong |
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ContentType | Journal Article |
DOI | 10.1039/d0nj02617d |
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Notes | Electronic supplementary information (ESI) available. CCDC For ESI and crystallographic data in CIF or other electronic format see DOI 1982536 1982537 and 10.1039/d0nj02617d |
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Snippet | A layer-pillared three-dimensional (3D) metal-organic framework (MOF)
BUT-26
was synthesized from a two-dimensional (2D) MOF
BUT-25
through single-crystal to... |
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Title | A three-dimensional metal-organic framework with high performance of dual cation sensing synthesized single-crystal transformation |
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