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Issue 45, 2016
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Synthesis and characterization of metal–rich phosphonium polyelectrolytes and their use as precursors to nanomaterials

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Abstract

Upon efficient quaternization and salt metathesis of stable triethyl ferrocene/ruthenocene phosphines, styrene-based phosphonium triflate monomers with four different stoichiometric ratios of Fe/Ru were synthesized. Free-radical polymerization of the monomers afforded four polyelectrolytes (Mn: 38 650–69 100 g mol−1, Đ: 3.16–4.10) that retained many of the spectroscopic and electrochemical properties of the ferrocene/ruthenocene units. TGA studies demonstrated the thermal stability (onset of decomposition: ∼310 °C) and high char yields (33–54% at 1000 °C) of the polyelectrolytes. Pyrolysis in N2/H2 (95/5) (film thickness of ∼6 μm, 1000 °C, 3 h) yielded crystalline, mixed-phase nanomaterials containing iron, ruthenium, and phosphorus with compositions influenced by the structure of the parent polyelectrolytes.

Graphical abstract: Synthesis and characterization of metal–rich phosphonium polyelectrolytes and their use as precursors to nanomaterials

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Publication details

The article was received on 24 Jun 2016, accepted on 24 Oct 2016 and first published on 31 Oct 2016


Article type: Paper
DOI: 10.1039/C6DT02541B
Citation: Dalton Trans., 2016,45, 18229-18240
  • Open access: Creative Commons BY license
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    Synthesis and characterization of metal–rich phosphonium polyelectrolytes and their use as precursors to nanomaterials

    A. Rabiee Kenaree and J. B. Gilroy, Dalton Trans., 2016, 45, 18229
    DOI: 10.1039/C6DT02541B

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