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Surfactant‐Free Palladium Nanoparticles Encapsulated in ZIF‐8 Hollow Nanospheres for Size‐Selective Catalysis in Liquid‐Phase Solution
Author(s) -
Wang Xiaoshi,
Li Mingyu,
Cao Changyan,
Liu Chang,
Liu Jian,
Zhu Yanan,
Zhang Sidi,
Song Weiguo
Publication year - 2016
Publication title -
chemcatchem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.497
H-Index - 106
eISSN - 1867-3899
pISSN - 1867-3880
DOI - 10.1002/cctc.201600846
Subject(s) - catalysis , nanoparticle , pulmonary surfactant , palladium , chemical engineering , noble metal , cyclooctene , materials science , metal organic framework , heterogeneous catalysis , metal , chemistry , nanotechnology , organic chemistry , adsorption , engineering
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.
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