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- Title
Surfactant-Free Palladium Nanoparticles Encapsulated in ZIF-8 Hollow Nanospheres for Size-Selective Catalysis in Liquid-Phase Solution.
- Authors
Wang, Xiaoshi; Li, Mingyu; Cao, Changyan; Liu, Chang; Liu, Jian; Zhu, Yanan; Zhang, Sidi; Song, Weiguo
- Abstract
Encapsulation of surfactant-free Pd nanoparticles (NPs) in the metal-organic framework material ZIF-8 hollow nanospheres was achieved. Pd@ZIF-8 hollow nanospheres showed excellent size-selective catalytic properties in the liquid-phase hydrogenation of olefins. As a result of the uniform pore size of the ZIF-8 shell (apertures of 3.4 Å), the catalyst showed high activity for the hydrogenation of 1-hexene (1.9×8.2 Å) but very low activity for larger molecules such as cis-cyclooctene (5.3×5.5 Å), trans-stilbene (4.2×11.3 Å), and triphenylethylene (9.1×9.2 Å). Other surfactant-free noble-metal nanoparticles could also be employed to produce NPs@MOFs for catalysis.
- Subjects
IMIDAZOLES; METAL-organic frameworks; NANOSTRUCTURED materials; CATALYSIS; SURFACE active agents; HYDROGENATION; ALKENES; PORE size (Materials)
- Publication
ChemCatChem, 2016, Vol 8, Issue 20, p3224
- ISSN
1867-3880
- Publication type
Article
- DOI
10.1002/cctc.201600846