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Issue 30, 2011
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On the interaction of ascorbic acid and the tetrachlorocuprate ion [CuCl4]2 in CuCl nanoplatelet formation from an ionic liquid precursor (ILP)

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Abstract

The formation of CuCl nanoplatelets from the ionic liquid precursor (ILP) butylpyridinium tetrachlorocuprate [C4Py]2[CuCl4] using ascorbic acid as a reducing agent was investigated. In particular, electron paramagnetic resonance (EPR) spectroscopy was used to evaluate the interaction between ascorbic acid and the Cu(II) ion before reduction to Cu(I). EPR spectroscopy suggests that the [CuCl4]2 ion in the neat IL is a distorted tetrahedron, consistent with DFT calculations. Addition of ascorbic acid leads to the removal of one chloride from the [CuCl4]2 anion, as shown by DFT and the loss of symmetry by EPR. DFT furthermore suggests that the most stable adduct is formed when only one hydroxyl group of the ascorbic acid coordinates to the Cu(II) ion.

Graphical abstract: On the interaction of ascorbic acid and the tetrachlorocuprate ion [CuCl4]2− in CuCl nanoplatelet formation from an ionic liquid precursor (ILP)

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Publication details

The article was received on 07 Mar 2011, accepted on 05 May 2011 and first published on 26 May 2011


Article type: Paper
DOI: 10.1039/C1CP20648F
Citation: Phys. Chem. Chem. Phys., 2011,13, 13537-13543
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    On the interaction of ascorbic acid and the tetrachlorocuprate ion [CuCl4]2 in CuCl nanoplatelet formation from an ionic liquid precursor (ILP)

    K. Thiel, T. Klamroth, P. Strauch and A. Taubert, Phys. Chem. Chem. Phys., 2011, 13, 13537
    DOI: 10.1039/C1CP20648F

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