Effects of catalyst introduction methods using PAMAM dendrimers on selective electroless nickel deposition on polyelectrolyte multilayers

Troy R. Hendricks, Erin E. Dams, Steven T. Wensing, Ilsoon Lee

    Research output: Research - peer-reviewArticle

    • 35 Citations

    Abstract

    We studied the effects of catalyst introduction methods using poly(amidoamine) (PAMAM) dendrimers on the nickel patterning of polyelectrolyte multilayer (PEM)-coated substrates. Three different approaches to palladium catalyst introduction using microcontact printing as the patterning technique were utilized and compared. The catalyst introduction methods are (1) direct catalyst stamping, (2) directed assembly using PAMAM dendrimer stamping, and (3) catalyst encapsulation and reduction to nanoparticles within PAMAM dendrimers before stamping. After patterning, the sample surfaces were placed in an electroless bath where nickel was selectively plated onto the patterns. The patterned surfaces were characterized using optical microscopy, atomic force microscopy, scanning electron microscopy, and energy-dispersive X-ray spectroscopy. The metal plating rates on different homogeneous surfaces that simulate the patterned surfaces were measured using a quartz crystal microbalance. In addition, the effect of PEM film thickness (i.e., number of bilayers) on the selectivity of nickel patterning was investigated.

    LanguageEnglish (US)
    Pages7404-7410
    Number of pages7
    JournalLangmuir
    Volume23
    Issue number13
    DOIs
    StatePublished - Jun 19 2007

    Profile

    Polyelectrolytes
    Nickel
    Multilayers
    Catalysts
    PAMAM Starburst
    Dendrimers
    dendrimers
    nickel
    catalysts
    Stamping
    stamping
    Quartz crystal microbalances
    Multilayer films
    Palladium
    Encapsulation
    Plating
    Optical microscopy
    Film thickness
    Printing
    Atomic force microscopy

    ASJC Scopus subject areas

    • Physical and Theoretical Chemistry
    • Colloid and Surface Chemistry

    Cite this

    Effects of catalyst introduction methods using PAMAM dendrimers on selective electroless nickel deposition on polyelectrolyte multilayers. / Hendricks, Troy R.; Dams, Erin E.; Wensing, Steven T.; Lee, Ilsoon.

    In: Langmuir, Vol. 23, No. 13, 19.06.2007, p. 7404-7410.

    Research output: Research - peer-reviewArticle

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