Engineering of Defective MOF-801 Nanostructures within Macroporous Spheres for Highly Efficient and Stable Water Harvesting

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Autoren

  • Chuanruo Yang
  • Hao Wu
  • Jimmy Yun
  • Junsu Jin
  • Hong Meng
  • Jürgen Caro
  • Jianguo Mi

Organisationseinheiten

Externe Organisationen

  • Beijing University of Chemical Technology
  • University of New South Wales (UNSW)
  • Xinjiang University
Forschungs-netzwerk anzeigen

Details

OriginalspracheEnglisch
Aufsatznummer2210235
Seitenumfang9
FachzeitschriftAdvanced materials
Jahrgang35
Ausgabenummer31
Frühes Online-Datum23 Mai 2023
PublikationsstatusVeröffentlicht - 3 Aug. 2023

Abstract

Water harvesting using the metal-organic framework (MOF)-801 is restricted by limited working capacity, powder structuring, and finite stability. To overcome these issues, MOF-801 is crystallized on the surface of macroporous poly(N-isopropylacrylamide-glycidyl methacrylate) spheres, called P(NIPAM-GMA), through an in situ confined growth strategy, forming spherical MOF-801@P(NIPAM-GMA) composite with temperature-responsive function. By lowering the nucleation energy barrier, the average size of the MOF-801 crystals decreases by 20 times. Thus, abundant defects as adsorption sites for water can be installed in the crystals lattices. As a consequence, the composite provides an unprecedented high water harvesting efficiency. The composite is produced in the kilogram-scale and can capture 1.60 kg H2O/kg composite/day from 20% relative humidity between 25 and 85 °C. This study provides an effective methodology for improving the adsorption capacity through controlled defects formation as adsorption sites and to improve the kinetics through the design of a composite with macroporous transport channel network.

ASJC Scopus Sachgebiete

Zitieren

Engineering of Defective MOF-801 Nanostructures within Macroporous Spheres for Highly Efficient and Stable Water Harvesting. / Yang, Chuanruo; Wu, Hao; Yun, Jimmy et al.
in: Advanced materials, Jahrgang 35, Nr. 31, 2210235, 03.08.2023.

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Yang C, Wu H, Yun J, Jin J, Meng H, Caro J et al. Engineering of Defective MOF-801 Nanostructures within Macroporous Spheres for Highly Efficient and Stable Water Harvesting. Advanced materials. 2023 Aug 3;35(31):2210235. Epub 2023 Mai 23. doi: 10.1002/adma.202210235
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abstract = "Water harvesting using the metal-organic framework (MOF)-801 is restricted by limited working capacity, powder structuring, and finite stability. To overcome these issues, MOF-801 is crystallized on the surface of macroporous poly(N-isopropylacrylamide-glycidyl methacrylate) spheres, called P(NIPAM-GMA), through an in situ confined growth strategy, forming spherical MOF-801@P(NIPAM-GMA) composite with temperature-responsive function. By lowering the nucleation energy barrier, the average size of the MOF-801 crystals decreases by 20 times. Thus, abundant defects as adsorption sites for water can be installed in the crystals lattices. As a consequence, the composite provides an unprecedented high water harvesting efficiency. The composite is produced in the kilogram-scale and can capture 1.60 kg H2O/kg composite/day from 20% relative humidity between 25 and 85 °C. This study provides an effective methodology for improving the adsorption capacity through controlled defects formation as adsorption sites and to improve the kinetics through the design of a composite with macroporous transport channel network.",
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T1 - Engineering of Defective MOF-801 Nanostructures within Macroporous Spheres for Highly Efficient and Stable Water Harvesting

AU - Yang, Chuanruo

AU - Wu, Hao

AU - Yun, Jimmy

AU - Jin, Junsu

AU - Meng, Hong

AU - Caro, Jürgen

AU - Mi, Jianguo

N1 - Funding Information: This study was supported by the National Natural Science Foundation of China (21878017) and the National Key R&D Program of China (2017YFB0603300).

PY - 2023/8/3

Y1 - 2023/8/3

N2 - Water harvesting using the metal-organic framework (MOF)-801 is restricted by limited working capacity, powder structuring, and finite stability. To overcome these issues, MOF-801 is crystallized on the surface of macroporous poly(N-isopropylacrylamide-glycidyl methacrylate) spheres, called P(NIPAM-GMA), through an in situ confined growth strategy, forming spherical MOF-801@P(NIPAM-GMA) composite with temperature-responsive function. By lowering the nucleation energy barrier, the average size of the MOF-801 crystals decreases by 20 times. Thus, abundant defects as adsorption sites for water can be installed in the crystals lattices. As a consequence, the composite provides an unprecedented high water harvesting efficiency. The composite is produced in the kilogram-scale and can capture 1.60 kg H2O/kg composite/day from 20% relative humidity between 25 and 85 °C. This study provides an effective methodology for improving the adsorption capacity through controlled defects formation as adsorption sites and to improve the kinetics through the design of a composite with macroporous transport channel network.

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