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: Contribution to journalArticle

  • 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

Dendrimers
dendrimers
Polyelectrolytes
Nickel
Multilayers
stamping
nickel
Stamping
catalysts
Catalysts
Quartz crystal microbalances
Multilayer films
Palladium
quartz crystals
plating
Encapsulation
Plating
printing
microbalances
Optical 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: Contribution to journalArticle

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