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Issue 25, 2018
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Steam treatment: a facile and effective process for the removal of PVP from shape-controlled palladium nanoparticles

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Abstract

In general, a colloidal method employing polyvinylpyrrolidone (PVP) as the stabilizer has been proven particularly suitable for preparing Pd nanoparticles (Pd-NPs) with controlled morphology and size. However, this surfactant will seriously cover the Pd-NP surface, which is detrimental for catalytic activity. In this paper, we reported a method to remove PVP from the carbon nanotube (CNT) supported Pd nanocubes (Pd-NCs) and Pd nanooctahedra (Pd-NOs) by steam treatment in a lab-made reactor. We found that this method can not only efficiently remove PVP from the Pd-NP surface, but also can well maintain the original structure of Pd-NCs and Pd-NOs, dramatically enhancing the catalytic performance. The present approach may promote potential applications of Pd-NPs prepared by colloidal methods in catalytic fields.

Graphical abstract: Steam treatment: a facile and effective process for the removal of PVP from shape-controlled palladium nanoparticles

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Publication details

The article was received on 13 Apr 2018, accepted on 24 May 2018 and first published on 25 May 2018


Article type: Paper
DOI: 10.1039/C8NR02996B
Citation: Nanoscale, 2018,10, 11992-11996
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    Steam treatment: a facile and effective process for the removal of PVP from shape-controlled palladium nanoparticles

    L. Yang, G. Cheng, Y. Guo, D. Li, L. Xia and H. Liu, Nanoscale, 2018, 10, 11992
    DOI: 10.1039/C8NR02996B

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