Benign integration of a Zn-Azolate metal-organic framework onto textile fiber for ammonia capture

Ran Cao; Zhijie Chen; Yongwei Chen; Karam B. Idrees; Sylvia L. Hanna; Xingjie Wang; Timothy A. Goetjen; Qijun Sun; Timur Islamoglu; Omar K. Farha

doi:10.1021/acsami.0c14316

Benign integration of a Zn-Azolate metal-organic framework onto textile fiber for ammonia capture

Ran Cao, Zhijie Chen, Yongwei Chen, Karam B. Idrees, Sylvia L. Hanna, Xingjie Wang, Timothy A. Goetjen, Qijun Sun, Timur Islamoglu, Omar K. Farha^*

^*Corresponding author for this work

Chemistry

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

44 Scopus citations

Abstract

Ammonia (NH₃) exposure has a serious impact on human health because of its toxic and corrosive nature. Therefore, efficient personal protective equipment (PPE) such as masks is necessary to eliminate and mitigate NH₃exposure risks. Because economically and environmentally viable conditions are of interest for large-scale manufacture of PPE, we herein report a benign procedure to synthesize a Zn-azolate metal-organic framework (MOF), MFU-4, for NH₃capture. The surface area and morphology of MFU-4 obtained in alcohol solvents at room temperature is consistent with that of traditionally synthesized MFU-4 in N,N-dimethylformamide at 140 °C. In addition to its large NH₃uptake capacity at 1 bar (17.7 mmol/g), MFU-4 shows outstanding performance in capturing NH₃at low concentration (10.8 mmol/g at 0.05 bar). Furthermore, the mild synthetic conditions implemented make it facile to immobilize MFU-4 onto cotton textile fiber. Enhanced NH₃capture ability of the MFU-4/fiber composite was also attributed to the well-exposed MOF particles. The benign synthetic MFU-4 procedure, high NH₃uptake, and easy integration onto fiber pave the way toward implementation of similar materials in PPE.

Original language	English (US)
Pages (from-to)	47747-47753
Number of pages	7
Journal	ACS Applied Materials and Interfaces
Volume	12
Issue number	42
DOIs	https://doi.org/10.1021/acsami.0c14316
State	Published - Oct 21 2020

Funding

The authors gratefully acknowledge the Army Research Office (W911NF1910340) for financial support. This work made use of the Electron Probe Instrumentation Center (EPIC) facility of Northwestern University’s Atomic and Nanoscale Characterization Experimental (NUANCE) Center, which has received support from the Soft and Hybrid Nanotechnology Experimental (SHyNE) Resource (NSF NNCI-1542205), the Materials Research Science and Engineering Center (MRSEC) program (NSF DMR1720139) at the Materials Research Center, the International Institute for Nanotechnology (IIN), the Keck Foundation, and the State of Illinois through the IIN. This work made use of the Integrated Molecular Structure Education and Research Center (IMSERC) at Northwestern University, which has received support from the NSF (CHE-1048773 and DMR-0521267), Soft and Hybrid Nanotechnology Experimental (SHyNE) Resource (NSF NNCI-1542205), and the State of Illinois and International Institute for Nanotechnology (IIN). R.C. gratefully acknowledges support from the China Scholarship Council (CSC) during her visit to Northwestern University (no.20190491074). S.L.H. gratefully acknowledges support from the Department of Energy National Nuclear Security Administration Stewardship Science Graduate Fellowship (DOE NNSA SSGF).

Keywords

Azolate MOF
Benign synthesis
MOF/fiber composite
NHcapture

ASJC Scopus subject areas

General Materials Science

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title = "Benign integration of a Zn-Azolate metal-organic framework onto textile fiber for ammonia capture",

abstract = "Ammonia (NH3) exposure has a serious impact on human health because of its toxic and corrosive nature. Therefore, efficient personal protective equipment (PPE) such as masks is necessary to eliminate and mitigate NH3exposure risks. Because economically and environmentally viable conditions are of interest for large-scale manufacture of PPE, we herein report a benign procedure to synthesize a Zn-azolate metal-organic framework (MOF), MFU-4, for NH3capture. The surface area and morphology of MFU-4 obtained in alcohol solvents at room temperature is consistent with that of traditionally synthesized MFU-4 in N,N-dimethylformamide at 140 °C. In addition to its large NH3uptake capacity at 1 bar (17.7 mmol/g), MFU-4 shows outstanding performance in capturing NH3at low concentration (10.8 mmol/g at 0.05 bar). Furthermore, the mild synthetic conditions implemented make it facile to immobilize MFU-4 onto cotton textile fiber. Enhanced NH3capture ability of the MFU-4/fiber composite was also attributed to the well-exposed MOF particles. The benign synthetic MFU-4 procedure, high NH3uptake, and easy integration onto fiber pave the way toward implementation of similar materials in PPE.",

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author = "Ran Cao and Zhijie Chen and Yongwei Chen and Idrees, {Karam B.} and Hanna, {Sylvia L.} and Xingjie Wang and Goetjen, {Timothy A.} and Qijun Sun and Timur Islamoglu and Farha, {Omar K.}",

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AU - Cao, Ran

AU - Chen, Zhijie

AU - Chen, Yongwei

AU - Idrees, Karam B.

AU - Hanna, Sylvia L.

AU - Wang, Xingjie

AU - Goetjen, Timothy A.

AU - Sun, Qijun

AU - Islamoglu, Timur

AU - Farha, Omar K.

PY - 2020/10/21

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AB - Ammonia (NH3) exposure has a serious impact on human health because of its toxic and corrosive nature. Therefore, efficient personal protective equipment (PPE) such as masks is necessary to eliminate and mitigate NH3exposure risks. Because economically and environmentally viable conditions are of interest for large-scale manufacture of PPE, we herein report a benign procedure to synthesize a Zn-azolate metal-organic framework (MOF), MFU-4, for NH3capture. The surface area and morphology of MFU-4 obtained in alcohol solvents at room temperature is consistent with that of traditionally synthesized MFU-4 in N,N-dimethylformamide at 140 °C. In addition to its large NH3uptake capacity at 1 bar (17.7 mmol/g), MFU-4 shows outstanding performance in capturing NH3at low concentration (10.8 mmol/g at 0.05 bar). Furthermore, the mild synthetic conditions implemented make it facile to immobilize MFU-4 onto cotton textile fiber. Enhanced NH3capture ability of the MFU-4/fiber composite was also attributed to the well-exposed MOF particles. The benign synthetic MFU-4 procedure, high NH3uptake, and easy integration onto fiber pave the way toward implementation of similar materials in PPE.

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Benign integration of a Zn-Azolate metal-organic framework onto textile fiber for ammonia capture

Abstract

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Keywords

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