Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 134, Issue 26, Pages 10911-10919Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja302089w
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Funding
- Flemish Government
- Belgium Government (IAP-PAI networking)
- European Union under Integrated Infrastructure Initiative [262348 ESMI]
- Fund for Scientific Research Flanders (FWO)
- Fund of Scientific Research-Flanders (FWO)
- Belgian Federal Science Policy Office [IAP-6/27]
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Porous solids with organized multiple porosity are of scientific and technological importance for broadening the application range from traditional areas of catalysis and adsorption/separation to drug release and biomedical imaging. Synthesis of crystalline porous materials offering a network of uniform micro- and mesopores remains a major scientific challenge. One strategy is based on variation of synthesis parameters of microporous networks, such as, for example, zeolites or metal organic frameworks (MOFs). Here, we show the rational development of an hierarchical variant of the microporous cubic Cu-3(BTC)(2) (BTC = 1,3,5-benzenetricarboxylate) HKUST-1 MOF having strictly repetitive S inn wide mesopores separated by uniform microporous walls in a single crystal structure. This new material coined COK-15 (COK = Centrum voor Oppervlaktechemie en Katalyse) was synthesized via a dual-templating approach. Stability was enhanced by Keggin type phosphotungstate (HPW) systematically occluded in the cavities constituting the walls between the mesopores.
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