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Issue 29, 2016
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Preparation and catalytic properties of porous CoP nanoflakes via a low-temperature phosphidation route

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Abstract

In this paper, porous CoP nanoflakes were successfully synthesized through a two-step route. Porous Co3O4 nanoflakes were firstly prepared by pyrolyzing flake-like precursors. Then, porous CoP nanoflakes were produced through the low temperature phosphidation of porous Co3O4 nanoflakes. The phase and morphology of the as-prepared products were characterized using powder X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and energy dispersive spectrometry (EDS). Experiments showed that the as-prepared porous CoP nanoflakes presented outstanding catalytic activity in the reduction of some aromatic nitro compounds such as 4-nitrophenol (4-NP), 2-nitrophenol (2-NP) and 4-nitroaniline (4-NA), and organic dyes including Rhodamine B, pyronine B, methylene blue and safranine T, in excess NaBH4 solution, which provided a new catalyst option for the reduction of aromatic nitro compounds and the decoloration of organic dyes at room temperature. Interestingly, the preparation approach of the precursor could affect the morphology and the catalytic performance of the final CoP nanostructures.

Graphical abstract: Preparation and catalytic properties of porous CoP nanoflakes via a low-temperature phosphidation route

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Publication details

The article was received on 21 Mar 2016, accepted on 13 Jun 2016 and first published on 14 Jun 2016


Article type: Paper
DOI: 10.1039/C6CE00635C
CrystEngComm, 2016,18, 5580-5587

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    Preparation and catalytic properties of porous CoP nanoflakes via a low-temperature phosphidation route

    D. Lu, Y. Ni, H. Wu, M. Wang and E. Sheng, CrystEngComm, 2016, 18, 5580
    DOI: 10.1039/C6CE00635C

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