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Issue 35, 2015
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PdO nanoparticles enhancing the catalytic activity of Pd/carbon nanotubes for 4-nitrophenol reduction

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Abstract

In this work, we demonstrate that the presence of PdO nanoparticles can significantly enhance the catalytic performance of Pd catalysts for the reduction of 4-nitrophenol (4-NP). Heterogeneous Pd/PdO nanoparticles supported on an oxidized multi-walled carbon nanotube (OCNTs) catalyst is prepared by a one-pot gas–liquid interfacial plasma (GLIP) method with the precursor Pd(NO3)2·2H2O. The Pd/PdO catalysts with uniform size distribution exhibit remarkable catalytic activity during the reduction of 4-NP to 4-aminophenol (4-AP) in neat water at room temperature. The turnover frequency (TOF) value is up to 750 h−1, which shows much higher catalytic activity than single Pd nanoparticles supported on OCNTs. Our results indicate that the Pd/PdO catalyst can be readily recovered and reused 10 times.

Graphical abstract: PdO nanoparticles enhancing the catalytic activity of Pd/carbon nanotubes for 4-nitrophenol reduction

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Publication details

The article was received on 21 Dec 2014, accepted on 10 Mar 2015 and first published on 10 Mar 2015


Article type: Paper
DOI: 10.1039/C4RA16792A
Author version available: Download Author version (PDF)
Citation: RSC Adv., 2015,5, 27526-27532
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    PdO nanoparticles enhancing the catalytic activity of Pd/carbon nanotubes for 4-nitrophenol reduction

    C. Wang, F. Yang, W. Yang, L. Ren, Y. Zhang, X. Jia, L. Zhang and Y. Li, RSC Adv., 2015, 5, 27526
    DOI: 10.1039/C4RA16792A

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