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- Title
Nanoscale Magnetic Stirring Bars for Heterogeneous Catalysis in Microscopic Systems.
- Authors
Yang, Shuliang; Cao, Changyan; Sun, Yongbin; Huang, Peipei; Wei, Fangfang; Song, Weiguo
- Abstract
Nanometer-sized magnetic stirring bars containing Pd nanoparticles (denoted as Fe3O4-NC-PZS-Pd) for heterogeneous catalysis in microscopic system were prepared through a facile two-step process. In the hydrogenation of styrene, Fe3O4-NC-PZS-Pd showed an activity similar to that of the commercial Pd/C catalyst, but much better stability. In microscopic catalytic systems, Fe3O4-NC-PZS-Pd can effectively stir the reaction solution within microdrops to accelerate mass transfer, and displays far better catalytic activity than the commercial Pd/C for the hydrogenation of methylene blue in an array of microdroplets. These results suggested that the Fe3O4-NC-PZS-Pd could be used as nanoscale stirring bars in nanoreactors.
- Subjects
PALLADIUM; NANOPARTICLES; MICROSCOPY; CATALYSIS research; MICRODROPLETS
- Publication
Angewandte Chemie, 2015, Vol 127, Issue 9, p2699
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201410360