Ultrastable Mesoporous Hydrogen-Bonded Organic Framework-Based Fiber Composites toward Mustard Gas Detoxification

Kaikai Ma; Peng Li; John H. Xin; Yongwei Chen; Zhijie Chen; Subhadip Goswami; Xiaofeng Liu; Satoshi Kato; Haoyuan Chen; Xuan Zhang; Jiaquan Bai; Megan C. Wasson; Rodrigo R. Maldonado; Randall Q. Snurr; Omar K. Farha

doi:10.1016/j.xcrp.2020.100024

Ultrastable Mesoporous Hydrogen-Bonded Organic Framework-Based Fiber Composites toward Mustard Gas Detoxification

Kaikai Ma, Peng Li^*, John H. Xin, Yongwei Chen, Zhijie Chen, Subhadip Goswami, Xiaofeng Liu, Satoshi Kato, Haoyuan Chen, Xuan Zhang, Jiaquan Bai, Megan C. Wasson, Rodrigo R. Maldonado, Randall Q. Snurr, Omar K. Farha^*

^*Corresponding author for this work

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

143 Scopus citations

Abstract

Creating crystalline porous materials with large pores is typically challenging due to undesired interpenetration, staggered stacking, or weakened framework stability. Here, we report a pore size expansion strategy by “shape-matching” intermolecular π-π stacking interactions in a series of two-dimensional (2D) hydrogen-bonded organic frameworks (HOFs), HOF-10x (x = 0,1,2), self-assembled from pyrene-based tectons with systematic elongation of π-conjugated molecular arms. This strategy successfully avoids interpenetration or staggered stacking and expands the pore size of HOF materials to access mesoporous HOF-102, which features a surface area of ∼2,500 m²/g and the largest pore volume (1.3 cm³/g) to date among all reported HOFs. More importantly, HOF-102 shows significantly enhanced thermal and chemical stability as evidenced by powder X-ray diffraction and N₂ isotherms after treatments in challenging conditions. Such stability enables the easy fabrication of a HOF-102/fiber composite for the efficient photochemical detoxification of a mustard gas simulant.

Original language	English (US)
Article number	100024
Journal	Cell Reports Physical Science
Volume	1
Issue number	2
DOIs	https://doi.org/10.1016/j.xcrp.2020.100024
State	Published - Feb 26 2020

ASJC Scopus subject areas

General Engineering
General Energy
General Physics and Astronomy
General Chemistry
General Materials Science

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10.1016/j.xcrp.2020.100024

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Ma, K., Li, P., Xin, J. H., Chen, Y., Chen, Z., Goswami, S., Liu, X., Kato, S., Chen, H., Zhang, X., Bai, J., Wasson, M. C., Maldonado, R. R., Snurr, R. Q., & Farha, O. K. (2020). Ultrastable Mesoporous Hydrogen-Bonded Organic Framework-Based Fiber Composites toward Mustard Gas Detoxification. Cell Reports Physical Science, 1(2), Article 100024. https://doi.org/10.1016/j.xcrp.2020.100024

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title = "Ultrastable Mesoporous Hydrogen-Bonded Organic Framework-Based Fiber Composites toward Mustard Gas Detoxification",

abstract = "Creating crystalline porous materials with large pores is typically challenging due to undesired interpenetration, staggered stacking, or weakened framework stability. Here, we report a pore size expansion strategy by “shape-matching” intermolecular π-π stacking interactions in a series of two-dimensional (2D) hydrogen-bonded organic frameworks (HOFs), HOF-10x (x = 0,1,2), self-assembled from pyrene-based tectons with systematic elongation of π-conjugated molecular arms. This strategy successfully avoids interpenetration or staggered stacking and expands the pore size of HOF materials to access mesoporous HOF-102, which features a surface area of ∼2,500 m2/g and the largest pore volume (1.3 cm3/g) to date among all reported HOFs. More importantly, HOF-102 shows significantly enhanced thermal and chemical stability as evidenced by powder X-ray diffraction and N2 isotherms after treatments in challenging conditions. Such stability enables the easy fabrication of a HOF-102/fiber composite for the efficient photochemical detoxification of a mustard gas simulant.",

author = "Kaikai Ma and Peng Li and Xin, {John H.} and Yongwei Chen and Zhijie Chen and Subhadip Goswami and Xiaofeng Liu and Satoshi Kato and Haoyuan Chen and Xuan Zhang and Jiaquan Bai and Wasson, {Megan C.} and Maldonado, {Rodrigo R.} and Snurr, {Randall Q.} and Farha, {Omar K.}",

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AU - Ma, Kaikai

AU - Li, Peng

AU - Xin, John H.

AU - Chen, Yongwei

AU - Chen, Zhijie

AU - Goswami, Subhadip

AU - Liu, Xiaofeng

AU - Kato, Satoshi

AU - Chen, Haoyuan

AU - Zhang, Xuan

AU - Bai, Jiaquan

AU - Wasson, Megan C.

AU - Maldonado, Rodrigo R.

AU - Snurr, Randall Q.

AU - Farha, Omar K.

PY - 2020/2/26

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N2 - Creating crystalline porous materials with large pores is typically challenging due to undesired interpenetration, staggered stacking, or weakened framework stability. Here, we report a pore size expansion strategy by “shape-matching” intermolecular π-π stacking interactions in a series of two-dimensional (2D) hydrogen-bonded organic frameworks (HOFs), HOF-10x (x = 0,1,2), self-assembled from pyrene-based tectons with systematic elongation of π-conjugated molecular arms. This strategy successfully avoids interpenetration or staggered stacking and expands the pore size of HOF materials to access mesoporous HOF-102, which features a surface area of ∼2,500 m2/g and the largest pore volume (1.3 cm3/g) to date among all reported HOFs. More importantly, HOF-102 shows significantly enhanced thermal and chemical stability as evidenced by powder X-ray diffraction and N2 isotherms after treatments in challenging conditions. Such stability enables the easy fabrication of a HOF-102/fiber composite for the efficient photochemical detoxification of a mustard gas simulant.

AB - Creating crystalline porous materials with large pores is typically challenging due to undesired interpenetration, staggered stacking, or weakened framework stability. Here, we report a pore size expansion strategy by “shape-matching” intermolecular π-π stacking interactions in a series of two-dimensional (2D) hydrogen-bonded organic frameworks (HOFs), HOF-10x (x = 0,1,2), self-assembled from pyrene-based tectons with systematic elongation of π-conjugated molecular arms. This strategy successfully avoids interpenetration or staggered stacking and expands the pore size of HOF materials to access mesoporous HOF-102, which features a surface area of ∼2,500 m2/g and the largest pore volume (1.3 cm3/g) to date among all reported HOFs. More importantly, HOF-102 shows significantly enhanced thermal and chemical stability as evidenced by powder X-ray diffraction and N2 isotherms after treatments in challenging conditions. Such stability enables the easy fabrication of a HOF-102/fiber composite for the efficient photochemical detoxification of a mustard gas simulant.

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Ultrastable Mesoporous Hydrogen-Bonded Organic Framework-Based Fiber Composites toward Mustard Gas Detoxification

Abstract

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