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    A flow cell for transient voltammetry and in situ grazing incidence X-ray diffraction characterization of electrocrystallized cadmium(II) tetracyanoquinodimethane

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    Fulltext not available
    Authors
    Veder, Jean-Pierre
    Nafady, A.
    Clarke, Graeme
    Williams, Ross
    De Marco, Roland
    Bond, A.
    Date
    2011
    Type
    Journal Article
    
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    Citation
    Veder, J. and Nafady, A. and Clarke, G. and Williams, R. and De Marco, R. and Bond, A. 2011. A flow cell for transient voltammetry and in situ grazing incidence X-ray diffraction characterization of electrocrystallized cadmium(II) tetracyanoquinodimethane. Electrochimica Acta. 56 (3): pp. 1546-1553.
    Source Title
    Electrochimica Acta
    DOI
    10.1016/j.electacta.2010.09.106
    ISSN
    00134686
    School
    Nanochemistry Research Institute
    URI
    http://hdl.handle.net/20.500.11937/17641
    Collection
    • Curtin Research Publications
    Abstract

    An easy to fabricate and versatile cell that can be used with a variety of electrochemical techniques, also meeting the stringent requirement for undertaking cyclic voltammetry under transient conditions in in situ electrocrystallization studies and total external reflection X-ray analysis, has been developed. Application is demonstrated through an in situ synchrotron radiation-grazing incidence X-ray diffraction (SR-GIXRD) characterization of electrocrystallized cadmium (II)-tetracyanoquinodimethane material, Cd(TCNQ)2, from acetonitrile (0.1 mol dm−3 [NBu4][PF6]). Importantly, this versatile cell design makes SR-GIXRD suitable for almost any combination of total external reflection X-ray analysis (e.g., GIXRF and GIXRD) and electrochemical perturbation, also allowing its application in acidic, basic, aqueous, non-aqueous, low and high flow pressure conditions. Nevertheless, the cell design separates the functions of transient voltammetry and SR-GIXRD measurements, viz., voltammetry is performed at high flow rates with a substantially distended window to minimize the IR (Ohmic) drop of the electrolyte, while SR-GIXRD is undertaken using stop-flow conditions with a very thin layer of electrolyte to minimize X-ray absorption and scattering by the solution.

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