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Insight into Epitaxial Encapsulation of Pd catalysts in Oriented Metalloporphyrin Network Thin Film for Tandem Catalysis

Abstract

Palladium catalysts (Pd-Cs) encapsulated metalloporphyrin network PIZA-1 thin film with bifunctional properties has been developed through modified epitaxial layer-by-layer encapsulation approach. Combining the oxidation activity of Pd-Cs and the acetalization activity of the Lewis acidic sites in PIZA-1 thin film, this biofunctional catalyst of Pd-Cs@PIZA-1 thin film exhibits a good catalytic activity in a one-pot tandem oxidation-acetalization reaction. Furthermore, the surface components can be controlled by ending the step of precursors in the thin film preparation procedures. The catalytic performance of these thin films with different surface composites were studied under the same condition, which showed different reaction conversions. The result revealed that the surface component can influence the catalytic performance of the thin films. This epitaxial encapsulation offers a good understanding on the tandem catalysis for thin film materials and provides a useful guidance to develop new thin film materials with catalytic properties.

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Publication details

The article was received on 31 Mar 2017, accepted on 04 May 2017 and first published on 05 May 2017


Article type: Communication
DOI: 10.1039/C7NR02284K
Citation: Nanoscale, 2017, Accepted Manuscript
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    Insight into Epitaxial Encapsulation of Pd catalysts in Oriented Metalloporphyrin Network Thin Film for Tandem Catalysis

    M. I. Vohra, D. Li, Z. Gu and J. Zhang, Nanoscale, 2017, Accepted Manuscript , DOI: 10.1039/C7NR02284K

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