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Author:

He, Tao (He, Tao.) | Kong, Xiang-Jing (Kong, Xiang-Jing.) | Bian, Zhen-Xing (Bian, Zhen-Xing.) | Zhang, Yong-Zheng (Zhang, Yong-Zheng.) | Si, Guang-Rui (Si, Guang-Rui.) | Xie, Lin-Hua (Xie, Lin-Hua.) | Wu, Xue-Qian (Wu, Xue-Qian.) | Huang, Hongliang (Huang, Hongliang.) | Chang, Ze (Chang, Ze.) | Bu, Xian-He (Bu, Xian-He.) | Zaworotko, Michael J. (Zaworotko, Michael J..) | Nie, Zuo-Ren (Nie, Zuo-Ren.) | Li, Jian-Rong (Li, Jian-Rong.)

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EI Scopus SCIE

Abstract:

In principle, porous physisorbents are attractive candidates for the removal of volatile organic compounds such as benzene by virtue of their low energy for the capture and release of this pollutant. Unfortunately, many physisorbents exhibit weak sorbate–sorbent interactions, resulting in poor selectivity and low uptake when volatile organic compounds are present at trace concentrations. Herein, we report that a family of double-walled metal–dipyrazolate frameworks, BUT-53 to BUT-58, exhibit benzene uptakes at 298 K of 2.47–3.28 mmol g−1 at 2BDP = 1,4-di(1H-pyrazol-4-yl)benzene), captures trace levels of benzene, producing an air stream with benzene content below acceptable limits. Furthermore, BUT-55 can be regenerated with mild heating. Insight into the performance of BUT-55 comes from the crystal structure of the benzene-loaded phase (C6H6@BUT-55) and density functional theory calculations, which reveal that C–H···X interactions drive the tight binding of benzene. Our results demonstrate that BUT-55 is a recyclable physisorbent that exhibits high affinity and adsorption capacity towards benzene, making it a candidate for environmental remediation of benzene-contaminated gas mixtures. © 2022, The Author(s).

Keyword:

Volatile organic compounds Density functional theory Crystal structure Benzene Trace elements

Author Community:

  • [ 1 ] [He, Tao]Beijing Key Laboratory for Green Catalysis and Separation and Department of Environmental Chemical Engineering, Beijing University of Technology, Beijing, China
  • [ 2 ] [He, Tao]The Key Laboratory of Advanced Functional Materials, Ministry of Education, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, China
  • [ 3 ] [He, Tao]College of Chemistry and Chemical Engineering, Qingdao University, Shandong, China
  • [ 4 ] [Kong, Xiang-Jing]Beijing Key Laboratory for Green Catalysis and Separation and Department of Environmental Chemical Engineering, Beijing University of Technology, Beijing, China
  • [ 5 ] [Kong, Xiang-Jing]Bernal Institute and Department of Chemical Sciences, University of Limerick, Limerick, Ireland
  • [ 6 ] [Bian, Zhen-Xing]Beijing Key Laboratory for Green Catalysis and Separation and Department of Environmental Chemical Engineering, Beijing University of Technology, Beijing, China
  • [ 7 ] [Zhang, Yong-Zheng]Beijing Key Laboratory for Green Catalysis and Separation and Department of Environmental Chemical Engineering, Beijing University of Technology, Beijing, China
  • [ 8 ] [Si, Guang-Rui]Beijing Key Laboratory for Green Catalysis and Separation and Department of Environmental Chemical Engineering, Beijing University of Technology, Beijing, China
  • [ 9 ] [Xie, Lin-Hua]Beijing Key Laboratory for Green Catalysis and Separation and Department of Environmental Chemical Engineering, Beijing University of Technology, Beijing, China
  • [ 10 ] [Wu, Xue-Qian]Beijing Key Laboratory for Green Catalysis and Separation and Department of Environmental Chemical Engineering, Beijing University of Technology, Beijing, China
  • [ 11 ] [Huang, Hongliang]State Key Laboratory of Separation Membranes and Membrane Processes, Tianjin Polytechnic University, Tianjin, China
  • [ 12 ] [Chang, Ze]School of Materials Science and Engineering and TKL of Metal and Molecule-Based Material Chemistry, Nankai University, Tianjin, China
  • [ 13 ] [Bu, Xian-He]School of Materials Science and Engineering and TKL of Metal and Molecule-Based Material Chemistry, Nankai University, Tianjin, China
  • [ 14 ] [Zaworotko, Michael J.]Bernal Institute and Department of Chemical Sciences, University of Limerick, Limerick, Ireland
  • [ 15 ] [Nie, Zuo-Ren]The Key Laboratory of Advanced Functional Materials, Ministry of Education, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, China
  • [ 16 ] [Li, Jian-Rong]Beijing Key Laboratory for Green Catalysis and Separation and Department of Environmental Chemical Engineering, Beijing University of Technology, Beijing, China
  • [ 17 ] [Li, Jian-Rong]The Key Laboratory of Advanced Functional Materials, Ministry of Education, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, China

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Source :

Nature Materials

ISSN: 1476-1122

Year: 2022

Issue: 6

Volume: 21

Page: 689-695

4 1 . 2

JCR@2022

4 1 . 2 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:66

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 177

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 10

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