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  • Observations of inclusions of polymeric additives in copper electrodeposits by transmission electron microscopy

    Author(s)
    HOPE, GA
    BROWN, GM
    SCHWEINSBERG, DP
    SHIMIZU, K
    KOBAYASHI, K
    Griffith University Author(s)
    Hope, Greg A.
    Year published
    1995
    Metadata
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    Abstract
    The use of organic reagents as additives in metal electrodeposition processes is common practice. Typically, additives are employed in plating baths in the parts per million (ppm) concentration range and serve to enhance the quality of electrodeposited metal by deposit smoothing, deposit brightening and grain refinement. Such effects on deposit morphology are attributed in part to adsorption of reagent molecules at the electrode surface during deposition . In this paper, inclusions of PEI and PEG in polycrystalline copper electrodeposits produced in an acid sulfate electrolyte containing 10ppm of the additive have been ...
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    The use of organic reagents as additives in metal electrodeposition processes is common practice. Typically, additives are employed in plating baths in the parts per million (ppm) concentration range and serve to enhance the quality of electrodeposited metal by deposit smoothing, deposit brightening and grain refinement. Such effects on deposit morphology are attributed in part to adsorption of reagent molecules at the electrode surface during deposition . In this paper, inclusions of PEI and PEG in polycrystalline copper electrodeposits produced in an acid sulfate electrolyte containing 10ppm of the additive have been examined by transmission electron microscopy of ultramicrotomed sections of the deposited metal. The technique of ultramicrotomy, whereby ultra thin slices of specimens, less than 10nm in thickness, are mechanically prepared by sectioning, and which in turn are suitable for examination in a transmission electron microscope has been extensively applied to studies of surface films and coatings of various kinds on a range of metals and alloys. Additionally, thin sections of bulk metal and alloy specimens containing second phase material have also been successfully prepared.
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    Journal Title
    Journal of Applied Electrochemistry
    Volume
    25
    Issue
    9
    DOI
    https://doi.org/10.1007/bf00772211
    Subject
    Chemical sciences
    Physical chemistry
    Chemical engineering
    Publication URI
    http://hdl.handle.net/10072/120087
    Collection
    • Journal articles

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